./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem16_label40.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 96878197f4120fe0a946400d7cd6a9f9a0d5774764bf69134c6af6a4800daf81 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-15 22:57:40,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 22:57:40,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 22:57:40,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 22:57:40,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 22:57:40,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 22:57:40,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 22:57:40,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 22:57:40,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 22:57:40,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 22:57:40,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 22:57:40,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 22:57:40,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 22:57:40,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 22:57:40,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 22:57:40,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 22:57:40,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 22:57:40,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 22:57:40,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 22:57:40,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 22:57:40,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 22:57:40,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 22:57:40,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 22:57:40,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 22:57:40,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 22:57:40,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 22:57:40,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 22:57:40,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 22:57:40,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 22:57:40,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 22:57:40,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 22:57:40,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 22:57:40,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 22:57:40,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 22:57:40,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 22:57:40,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 22:57:40,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 22:57:40,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 22:57:40,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 22:57:40,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 22:57:40,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 22:57:40,095 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 22:57:40,108 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 22:57:40,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 22:57:40,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 22:57:40,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 22:57:40,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 22:57:40,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 22:57:40,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 22:57:40,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 22:57:40,111 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 22:57:40,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 22:57:40,111 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 22:57:40,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 22:57:40,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 22:57:40,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 22:57:40,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 22:57:40,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 22:57:40,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 22:57:40,112 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 22:57:40,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 22:57:40,112 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 22:57:40,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 22:57:40,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 22:57:40,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 22:57:40,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 22:57:40,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 22:57:40,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 22:57:40,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 22:57:40,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 22:57:40,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 22:57:40,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 22:57:40,114 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 22:57:40,114 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 22:57:40,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 22:57:40,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 22:57:40,115 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96878197f4120fe0a946400d7cd6a9f9a0d5774764bf69134c6af6a4800daf81 [2021-12-15 22:57:40,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 22:57:40,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 22:57:40,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 22:57:40,303 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 22:57:40,303 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 22:57:40,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label40.c [2021-12-15 22:57:40,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c731296/35520b92fe754f5fb112e8fe23751920/FLAG5daa12231 [2021-12-15 22:57:40,786 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 22:57:40,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label40.c [2021-12-15 22:57:40,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c731296/35520b92fe754f5fb112e8fe23751920/FLAG5daa12231 [2021-12-15 22:57:41,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c731296/35520b92fe754f5fb112e8fe23751920 [2021-12-15 22:57:41,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 22:57:41,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 22:57:41,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 22:57:41,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 22:57:41,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 22:57:41,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:41" (1/1) ... [2021-12-15 22:57:41,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef6b588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:41, skipping insertion in model container [2021-12-15 22:57:41,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:41" (1/1) ... [2021-12-15 22:57:41,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 22:57:41,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 22:57:41,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label40.c[6583,6596] [2021-12-15 22:57:41,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 22:57:41,566 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 22:57:41,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label40.c[6583,6596] [2021-12-15 22:57:41,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 22:57:41,753 INFO L208 MainTranslator]: Completed translation [2021-12-15 22:57:41,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:41 WrapperNode [2021-12-15 22:57:41,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 22:57:41,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 22:57:41,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 22:57:41,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 22:57:41,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:41" (1/1) ... [2021-12-15 22:57:41,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:41" (1/1) ... [2021-12-15 22:57:41,888 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2021-12-15 22:57:41,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 22:57:41,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 22:57:41,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 22:57:41,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 22:57:41,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:41" (1/1) ... [2021-12-15 22:57:41,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:41" (1/1) ... [2021-12-15 22:57:41,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:41" (1/1) ... [2021-12-15 22:57:41,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:41" (1/1) ... [2021-12-15 22:57:41,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:41" (1/1) ... [2021-12-15 22:57:41,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:41" (1/1) ... [2021-12-15 22:57:41,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:41" (1/1) ... [2021-12-15 22:57:42,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 22:57:42,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 22:57:42,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 22:57:42,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 22:57:42,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:41" (1/1) ... [2021-12-15 22:57:42,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 22:57:42,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:57:42,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 22:57:42,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 22:57:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 22:57:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 22:57:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 22:57:42,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 22:57:42,105 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 22:57:42,106 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 22:57:43,445 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 22:57:43,457 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 22:57:43,457 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 22:57:43,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:43 BoogieIcfgContainer [2021-12-15 22:57:43,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 22:57:43,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 22:57:43,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 22:57:43,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 22:57:43,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:57:41" (1/3) ... [2021-12-15 22:57:43,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c5663e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:43, skipping insertion in model container [2021-12-15 22:57:43,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:41" (2/3) ... [2021-12-15 22:57:43,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c5663e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:43, skipping insertion in model container [2021-12-15 22:57:43,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:43" (3/3) ... [2021-12-15 22:57:43,466 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label40.c [2021-12-15 22:57:43,469 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 22:57:43,469 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 22:57:43,512 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 22:57:43,518 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 [2021-12-15 22:57:43,518 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 22:57:43,538 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:43,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-15 22:57:43,552 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:43,553 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:43,554 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:43,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:43,558 INFO L85 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2021-12-15 22:57:43,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:43,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320515548] [2021-12-15 22:57:43,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:43,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:43,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:57:43,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:43,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320515548] [2021-12-15 22:57:43,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320515548] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:43,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:43,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:57:43,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700513517] [2021-12-15 22:57:43,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:43,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:43,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:43,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:43,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:43,747 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:45,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:45,024 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2021-12-15 22:57:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:45,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-12-15 22:57:45,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:45,045 INFO L225 Difference]: With dead ends: 1122 [2021-12-15 22:57:45,045 INFO L226 Difference]: Without dead ends: 662 [2021-12-15 22:57:45,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:45,056 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 297 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:45,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [297 Valid, 223 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-15 22:57:45,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-12-15 22:57:45,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-12-15 22:57:45,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.5824508320726172) internal successors, (1046), 661 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:45,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1046 transitions. [2021-12-15 22:57:45,118 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1046 transitions. Word has length 63 [2021-12-15 22:57:45,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:45,119 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1046 transitions. [2021-12-15 22:57:45,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:45,119 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1046 transitions. [2021-12-15 22:57:45,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-12-15 22:57:45,122 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:45,122 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:45,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 22:57:45,123 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:45,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:45,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1825534533, now seen corresponding path program 1 times [2021-12-15 22:57:45,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:45,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471396344] [2021-12-15 22:57:45,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:45,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:45,199 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:57:45,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:45,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471396344] [2021-12-15 22:57:45,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471396344] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:45,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:45,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:57:45,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690691786] [2021-12-15 22:57:45,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:45,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:45,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:45,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:45,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:45,202 INFO L87 Difference]: Start difference. First operand 662 states and 1046 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 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) [2021-12-15 22:57:46,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:46,302 INFO L93 Difference]: Finished difference Result 1980 states and 3133 transitions. [2021-12-15 22:57:46,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:46,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 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 134 [2021-12-15 22:57:46,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:46,307 INFO L225 Difference]: With dead ends: 1980 [2021-12-15 22:57:46,307 INFO L226 Difference]: Without dead ends: 1320 [2021-12-15 22:57:46,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:46,314 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 300 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:46,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 197 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-15 22:57:46,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-12-15 22:57:46,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-12-15 22:57:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.3745261561789235) internal successors, (1813), 1319 states have internal predecessors, (1813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:46,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1813 transitions. [2021-12-15 22:57:46,345 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1813 transitions. Word has length 134 [2021-12-15 22:57:46,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:46,347 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1813 transitions. [2021-12-15 22:57:46,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 2 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) [2021-12-15 22:57:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1813 transitions. [2021-12-15 22:57:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-15 22:57:46,354 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:46,355 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:46,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 22:57:46,357 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:46,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:46,358 INFO L85 PathProgramCache]: Analyzing trace with hash -2022847261, now seen corresponding path program 1 times [2021-12-15 22:57:46,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:46,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107126033] [2021-12-15 22:57:46,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:46,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:46,425 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:57:46,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:46,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107126033] [2021-12-15 22:57:46,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107126033] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:46,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:46,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:46,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957935087] [2021-12-15 22:57:46,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:46,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:46,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:46,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:46,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:46,428 INFO L87 Difference]: Start difference. First operand 1320 states and 1813 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:47,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:47,435 INFO L93 Difference]: Finished difference Result 3296 states and 4626 transitions. [2021-12-15 22:57:47,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:47,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 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 150 [2021-12-15 22:57:47,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:47,441 INFO L225 Difference]: With dead ends: 3296 [2021-12-15 22:57:47,441 INFO L226 Difference]: Without dead ends: 1978 [2021-12-15 22:57:47,443 INFO L932 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 [2021-12-15 22:57:47,443 INFO L933 BasicCegarLoop]: 533 mSDtfsCounter, 321 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 388 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:47,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [321 Valid, 539 Invalid, 1184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [388 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-15 22:57:47,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2021-12-15 22:57:47,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2021-12-15 22:57:47,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.2923621648963075) internal successors, (2555), 1977 states have internal predecessors, (2555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2555 transitions. [2021-12-15 22:57:47,470 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2555 transitions. Word has length 150 [2021-12-15 22:57:47,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:47,470 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2555 transitions. [2021-12-15 22:57:47,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:47,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2555 transitions. [2021-12-15 22:57:47,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-12-15 22:57:47,474 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:47,475 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 22:57:47,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 22:57:47,475 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:47,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:47,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1269062465, now seen corresponding path program 1 times [2021-12-15 22:57:47,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:47,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128594986] [2021-12-15 22:57:47,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:47,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:47,574 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-12-15 22:57:47,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:47,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128594986] [2021-12-15 22:57:47,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128594986] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:47,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:47,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:57:47,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609837917] [2021-12-15 22:57:47,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:47,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:47,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:47,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:47,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:47,577 INFO L87 Difference]: Start difference. First operand 1978 states and 2555 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:48,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:48,656 INFO L93 Difference]: Finished difference Result 5270 states and 6852 transitions. [2021-12-15 22:57:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:48,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 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 335 [2021-12-15 22:57:48,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:48,663 INFO L225 Difference]: With dead ends: 5270 [2021-12-15 22:57:48,663 INFO L226 Difference]: Without dead ends: 2636 [2021-12-15 22:57:48,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:48,666 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 358 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:48,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 156 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-15 22:57:48,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2021-12-15 22:57:48,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636. [2021-12-15 22:57:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.093358633776091) internal successors, (2881), 2635 states have internal predecessors, (2881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 2881 transitions. [2021-12-15 22:57:48,697 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 2881 transitions. Word has length 335 [2021-12-15 22:57:48,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:48,698 INFO L470 AbstractCegarLoop]: Abstraction has 2636 states and 2881 transitions. [2021-12-15 22:57:48,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 2881 transitions. [2021-12-15 22:57:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2021-12-15 22:57:48,701 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:48,702 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:48,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 22:57:48,702 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:48,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:48,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1691296472, now seen corresponding path program 1 times [2021-12-15 22:57:48,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:48,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463487448] [2021-12-15 22:57:48,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:48,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:48,771 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-12-15 22:57:48,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:48,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463487448] [2021-12-15 22:57:48,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463487448] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:48,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:48,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:57:48,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117661743] [2021-12-15 22:57:48,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:48,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:48,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:48,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:48,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:48,774 INFO L87 Difference]: Start difference. First operand 2636 states and 2881 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 2 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:49,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:49,625 INFO L93 Difference]: Finished difference Result 7575 states and 8299 transitions. [2021-12-15 22:57:49,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:49,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 2 states have internal predecessors, (211), 0 states have call successors, (0), 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 376 [2021-12-15 22:57:49,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:49,636 INFO L225 Difference]: With dead ends: 7575 [2021-12-15 22:57:49,637 INFO L226 Difference]: Without dead ends: 4941 [2021-12-15 22:57:49,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:49,644 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 240 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:49,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 57 Invalid, 883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 22:57:49,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4941 states. [2021-12-15 22:57:49,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4941 to 4939. [2021-12-15 22:57:49,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4939 states, 4938 states have (on average 1.0866747671121912) internal successors, (5366), 4938 states have internal predecessors, (5366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:49,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 5366 transitions. [2021-12-15 22:57:49,705 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 5366 transitions. Word has length 376 [2021-12-15 22:57:49,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:49,706 INFO L470 AbstractCegarLoop]: Abstraction has 4939 states and 5366 transitions. [2021-12-15 22:57:49,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 2 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:49,708 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 5366 transitions. [2021-12-15 22:57:49,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2021-12-15 22:57:49,712 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:49,713 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 22:57:49,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 22:57:49,713 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:49,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:49,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1094289315, now seen corresponding path program 1 times [2021-12-15 22:57:49,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:49,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612344032] [2021-12-15 22:57:49,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:49,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:49,856 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-12-15 22:57:49,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:49,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612344032] [2021-12-15 22:57:49,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612344032] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:49,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:49,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:49,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568468267] [2021-12-15 22:57:49,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:49,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 22:57:49,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:49,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 22:57:49,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:57:49,858 INFO L87 Difference]: Start difference. First operand 4939 states and 5366 transitions. Second operand has 4 states, 4 states have (on average 61.5) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:50,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:50,671 INFO L93 Difference]: Finished difference Result 10252 states and 11113 transitions. [2021-12-15 22:57:50,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 22:57:50,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.5) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 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 411 [2021-12-15 22:57:50,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:50,699 INFO L225 Difference]: With dead ends: 10252 [2021-12-15 22:57:50,699 INFO L226 Difference]: Without dead ends: 5315 [2021-12-15 22:57:50,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:57:50,704 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 409 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:50,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [409 Valid, 175 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 22:57:50,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5315 states. [2021-12-15 22:57:50,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5315 to 5268. [2021-12-15 22:57:50,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5268 states, 5267 states have (on average 1.0816404025061706) internal successors, (5697), 5267 states have internal predecessors, (5697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5268 states to 5268 states and 5697 transitions. [2021-12-15 22:57:50,758 INFO L78 Accepts]: Start accepts. Automaton has 5268 states and 5697 transitions. Word has length 411 [2021-12-15 22:57:50,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:50,759 INFO L470 AbstractCegarLoop]: Abstraction has 5268 states and 5697 transitions. [2021-12-15 22:57:50,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.5) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:50,759 INFO L276 IsEmpty]: Start isEmpty. Operand 5268 states and 5697 transitions. [2021-12-15 22:57:50,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2021-12-15 22:57:50,765 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:50,765 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:50,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 22:57:50,766 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:50,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:50,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1664276065, now seen corresponding path program 1 times [2021-12-15 22:57:50,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:50,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901212524] [2021-12-15 22:57:50,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:50,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 341 proven. 101 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-15 22:57:50,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:50,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901212524] [2021-12-15 22:57:50,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901212524] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:57:50,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129391983] [2021-12-15 22:57:50,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:50,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:50,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:57:50,969 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:57:50,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 22:57:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:51,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 22:57:51,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:57:52,105 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2021-12-15 22:57:52,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:57:52,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129391983] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:52,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:57:52,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-15 22:57:52,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033271179] [2021-12-15 22:57:52,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:52,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:52,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:52,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:52,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:57:52,108 INFO L87 Difference]: Start difference. First operand 5268 states and 5697 transitions. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 2 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:52,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:52,784 INFO L93 Difference]: Finished difference Result 11192 states and 12117 transitions. [2021-12-15 22:57:52,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:52,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 2 states have internal predecessors, (346), 0 states have call successors, (0), 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 515 [2021-12-15 22:57:52,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:52,797 INFO L225 Difference]: With dead ends: 11192 [2021-12-15 22:57:52,797 INFO L226 Difference]: Without dead ends: 6255 [2021-12-15 22:57:52,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 514 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:57:52,802 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 127 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:52,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 31 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:57:52,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6255 states. [2021-12-15 22:57:52,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6255 to 6255. [2021-12-15 22:57:52,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6255 states, 6254 states have (on average 1.0604413175567637) internal successors, (6632), 6254 states have internal predecessors, (6632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 6632 transitions. [2021-12-15 22:57:52,870 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 6632 transitions. Word has length 515 [2021-12-15 22:57:52,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:52,871 INFO L470 AbstractCegarLoop]: Abstraction has 6255 states and 6632 transitions. [2021-12-15 22:57:52,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 2 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:52,871 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 6632 transitions. [2021-12-15 22:57:52,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2021-12-15 22:57:52,881 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:52,882 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:52,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-15 22:57:53,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:53,099 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:53,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:53,099 INFO L85 PathProgramCache]: Analyzing trace with hash 590277590, now seen corresponding path program 1 times [2021-12-15 22:57:53,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:53,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546277803] [2021-12-15 22:57:53,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:53,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 720 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-12-15 22:57:53,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:53,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546277803] [2021-12-15 22:57:53,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546277803] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:53,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:53,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:53,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372007082] [2021-12-15 22:57:53,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:53,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:53,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:53,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:53,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:53,256 INFO L87 Difference]: Start difference. First operand 6255 states and 6632 transitions. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:54,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:54,000 INFO L93 Difference]: Finished difference Result 15140 states and 16162 transitions. [2021-12-15 22:57:54,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:54,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 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 640 [2021-12-15 22:57:54,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:54,018 INFO L225 Difference]: With dead ends: 15140 [2021-12-15 22:57:54,018 INFO L226 Difference]: Without dead ends: 9216 [2021-12-15 22:57:54,023 INFO L932 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 [2021-12-15 22:57:54,024 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 219 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:54,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 426 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 22:57:54,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2021-12-15 22:57:54,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 8887. [2021-12-15 22:57:54,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8887 states, 8886 states have (on average 1.0481656538374973) internal successors, (9314), 8886 states have internal predecessors, (9314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:54,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9314 transitions. [2021-12-15 22:57:54,122 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9314 transitions. Word has length 640 [2021-12-15 22:57:54,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:54,123 INFO L470 AbstractCegarLoop]: Abstraction has 8887 states and 9314 transitions. [2021-12-15 22:57:54,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9314 transitions. [2021-12-15 22:57:54,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2021-12-15 22:57:54,130 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:54,130 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:54,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 22:57:54,131 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:54,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:54,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1262186544, now seen corresponding path program 1 times [2021-12-15 22:57:54,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:54,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008194705] [2021-12-15 22:57:54,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:54,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:54,244 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 769 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-12-15 22:57:54,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:54,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008194705] [2021-12-15 22:57:54,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008194705] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:54,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:54,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:54,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983483017] [2021-12-15 22:57:54,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:54,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:54,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:54,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:54,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:54,247 INFO L87 Difference]: Start difference. First operand 8887 states and 9314 transitions. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:54,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:54,936 INFO L93 Difference]: Finished difference Result 20404 states and 21512 transitions. [2021-12-15 22:57:54,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:54,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 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 703 [2021-12-15 22:57:54,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:54,951 INFO L225 Difference]: With dead ends: 20404 [2021-12-15 22:57:54,951 INFO L226 Difference]: Without dead ends: 11848 [2021-12-15 22:57:54,957 INFO L932 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 [2021-12-15 22:57:54,958 INFO L933 BasicCegarLoop]: 408 mSDtfsCounter, 175 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:54,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 414 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:57:54,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2021-12-15 22:57:55,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 10861. [2021-12-15 22:57:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10861 states, 10860 states have (on average 1.0453959484346225) internal successors, (11353), 10860 states have internal predecessors, (11353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 11353 transitions. [2021-12-15 22:57:55,099 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 11353 transitions. Word has length 703 [2021-12-15 22:57:55,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:55,100 INFO L470 AbstractCegarLoop]: Abstraction has 10861 states and 11353 transitions. [2021-12-15 22:57:55,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:55,100 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 11353 transitions. [2021-12-15 22:57:55,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1002 [2021-12-15 22:57:55,113 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:55,114 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:55,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-15 22:57:55,114 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:55,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:55,115 INFO L85 PathProgramCache]: Analyzing trace with hash 547079911, now seen corresponding path program 1 times [2021-12-15 22:57:55,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:55,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886788413] [2021-12-15 22:57:55,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:55,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:55,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2051 backedges. 1450 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2021-12-15 22:57:55,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:55,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886788413] [2021-12-15 22:57:55,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886788413] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:55,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:55,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:55,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307302060] [2021-12-15 22:57:55,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:55,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:55,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:55,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:55,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:55,316 INFO L87 Difference]: Start difference. First operand 10861 states and 11353 transitions. Second operand has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:56,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:56,055 INFO L93 Difference]: Finished difference Result 24352 states and 25603 transitions. [2021-12-15 22:57:56,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:56,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 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 1001 [2021-12-15 22:57:56,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:56,077 INFO L225 Difference]: With dead ends: 24352 [2021-12-15 22:57:56,077 INFO L226 Difference]: Without dead ends: 13822 [2021-12-15 22:57:56,088 INFO L932 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 [2021-12-15 22:57:56,088 INFO L933 BasicCegarLoop]: 428 mSDtfsCounter, 192 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:56,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 434 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 22:57:56,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-12-15 22:57:56,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13164. [2021-12-15 22:57:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0420876699840462) internal successors, (13717), 13163 states have internal predecessors, (13717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13717 transitions. [2021-12-15 22:57:56,196 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13717 transitions. Word has length 1001 [2021-12-15 22:57:56,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:56,197 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13717 transitions. [2021-12-15 22:57:56,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:56,197 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13717 transitions. [2021-12-15 22:57:56,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1027 [2021-12-15 22:57:56,211 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:56,211 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:56,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-15 22:57:56,212 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:56,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:56,212 INFO L85 PathProgramCache]: Analyzing trace with hash -2022236871, now seen corresponding path program 1 times [2021-12-15 22:57:56,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:56,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571722992] [2021-12-15 22:57:56,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:56,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:56,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2176 backedges. 879 proven. 0 refuted. 0 times theorem prover too weak. 1297 trivial. 0 not checked. [2021-12-15 22:57:56,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:56,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571722992] [2021-12-15 22:57:56,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571722992] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:56,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:56,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:56,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779288621] [2021-12-15 22:57:56,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:56,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:56,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:56,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:56,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:56,483 INFO L87 Difference]: Start difference. First operand 13164 states and 13717 transitions. Second operand has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:57,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:57,315 INFO L93 Difference]: Finished difference Result 26655 states and 27796 transitions. [2021-12-15 22:57:57,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:57,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 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 1026 [2021-12-15 22:57:57,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:57,348 INFO L225 Difference]: With dead ends: 26655 [2021-12-15 22:57:57,348 INFO L226 Difference]: Without dead ends: 13822 [2021-12-15 22:57:57,357 INFO L932 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 [2021-12-15 22:57:57,358 INFO L933 BasicCegarLoop]: 432 mSDtfsCounter, 224 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:57,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 438 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 22:57:57,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-12-15 22:57:57,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13493. [2021-12-15 22:57:57,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0397272457752742) internal successors, (14028), 13492 states have internal predecessors, (14028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:57,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14028 transitions. [2021-12-15 22:57:57,473 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14028 transitions. Word has length 1026 [2021-12-15 22:57:57,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:57,474 INFO L470 AbstractCegarLoop]: Abstraction has 13493 states and 14028 transitions. [2021-12-15 22:57:57,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:57,474 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14028 transitions. [2021-12-15 22:57:57,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1081 [2021-12-15 22:57:57,490 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:57,490 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:57,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-15 22:57:57,490 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:57,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:57,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1173576832, now seen corresponding path program 1 times [2021-12-15 22:57:57,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:57,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715896955] [2021-12-15 22:57:57,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:57,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 365 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2021-12-15 22:57:57,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:57,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715896955] [2021-12-15 22:57:57,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715896955] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:57,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:57,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:57,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730053511] [2021-12-15 22:57:57,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:57,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:57,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:57,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:57,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:57,829 INFO L87 Difference]: Start difference. First operand 13493 states and 14028 transitions. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:58,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:58,538 INFO L93 Difference]: Finished difference Result 29616 states and 30809 transitions. [2021-12-15 22:57:58,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:58,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 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 1080 [2021-12-15 22:57:58,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:58,556 INFO L225 Difference]: With dead ends: 29616 [2021-12-15 22:57:58,556 INFO L226 Difference]: Without dead ends: 14480 [2021-12-15 22:57:58,566 INFO L932 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 [2021-12-15 22:57:58,567 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 280 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:58,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 412 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:57:58,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-12-15 22:57:58,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 13822. [2021-12-15 22:57:58,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0304608928442225) internal successors, (14242), 13821 states have internal predecessors, (14242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:58,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14242 transitions. [2021-12-15 22:57:58,803 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14242 transitions. Word has length 1080 [2021-12-15 22:57:58,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:58,803 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14242 transitions. [2021-12-15 22:57:58,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:58,804 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14242 transitions. [2021-12-15 22:57:58,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1368 [2021-12-15 22:57:58,853 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:58,853 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:58,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-15 22:57:58,854 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:58,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:58,854 INFO L85 PathProgramCache]: Analyzing trace with hash -418610693, now seen corresponding path program 1 times [2021-12-15 22:57:58,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:58,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108035633] [2021-12-15 22:57:58,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:58,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3255 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 2829 trivial. 0 not checked. [2021-12-15 22:57:59,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:59,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108035633] [2021-12-15 22:57:59,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108035633] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:59,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:59,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-15 22:57:59,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887369742] [2021-12-15 22:57:59,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:59,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 22:57:59,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:59,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 22:57:59,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:57:59,248 INFO L87 Difference]: Start difference. First operand 13822 states and 14242 transitions. Second operand has 6 states, 6 states have (on average 59.5) internal successors, (357), 6 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:59,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:59,734 INFO L93 Difference]: Finished difference Result 26750 states and 27561 transitions. [2021-12-15 22:57:59,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-15 22:57:59,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 59.5) internal successors, (357), 6 states have internal predecessors, (357), 0 states have call successors, (0), 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 1367 [2021-12-15 22:57:59,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:59,746 INFO L225 Difference]: With dead ends: 26750 [2021-12-15 22:57:59,746 INFO L226 Difference]: Without dead ends: 13164 [2021-12-15 22:57:59,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:57:59,753 INFO L933 BasicCegarLoop]: 428 mSDtfsCounter, 57 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:59,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 445 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 22:57:59,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-12-15 22:57:59,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 11848. [2021-12-15 22:57:59,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.028699248754959) internal successors, (12187), 11847 states have internal predecessors, (12187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:59,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12187 transitions. [2021-12-15 22:57:59,842 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12187 transitions. Word has length 1367 [2021-12-15 22:57:59,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:59,843 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12187 transitions. [2021-12-15 22:57:59,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.5) internal successors, (357), 6 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12187 transitions. [2021-12-15 22:57:59,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1417 [2021-12-15 22:57:59,862 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:59,864 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-15 22:57:59,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-15 22:57:59,864 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:59,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:59,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1206861140, now seen corresponding path program 1 times [2021-12-15 22:57:59,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:59,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824270523] [2021-12-15 22:57:59,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:59,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:00,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3495 backedges. 2467 proven. 0 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2021-12-15 22:58:00,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:58:00,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824270523] [2021-12-15 22:58:00,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824270523] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:58:00,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:58:00,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 22:58:00,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837407059] [2021-12-15 22:58:00,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:58:00,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 22:58:00,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:58:00,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 22:58:00,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:58:00,242 INFO L87 Difference]: Start difference. First operand 11848 states and 12187 transitions. Second operand has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:01,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:58:01,041 INFO L93 Difference]: Finished difference Result 23390 states and 24066 transitions. [2021-12-15 22:58:01,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 22:58:01,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 0 states have call successors, (0), 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 1416 [2021-12-15 22:58:01,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:58:01,053 INFO L225 Difference]: With dead ends: 23390 [2021-12-15 22:58:01,054 INFO L226 Difference]: Without dead ends: 11873 [2021-12-15 22:58:01,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:58:01,060 INFO L933 BasicCegarLoop]: 421 mSDtfsCounter, 264 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 22:58:01,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 438 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 22:58:01,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11873 states. [2021-12-15 22:58:01,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11873 to 11848. [2021-12-15 22:58:01,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.0285304296446358) internal successors, (12185), 11847 states have internal predecessors, (12185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:01,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12185 transitions. [2021-12-15 22:58:01,137 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12185 transitions. Word has length 1416 [2021-12-15 22:58:01,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:58:01,137 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12185 transitions. [2021-12-15 22:58:01,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:01,138 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12185 transitions. [2021-12-15 22:58:01,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1620 [2021-12-15 22:58:01,159 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:58:01,160 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:58:01,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-15 22:58:01,160 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:58:01,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:58:01,161 INFO L85 PathProgramCache]: Analyzing trace with hash -955905345, now seen corresponding path program 1 times [2021-12-15 22:58:01,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:58:01,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781838345] [2021-12-15 22:58:01,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:01,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:58:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:01,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4442 backedges. 1693 proven. 1276 refuted. 0 times theorem prover too weak. 1473 trivial. 0 not checked. [2021-12-15 22:58:01,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:58:01,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781838345] [2021-12-15 22:58:01,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781838345] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:58:01,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291495189] [2021-12-15 22:58:01,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:01,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:58:01,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:58:01,704 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:58:01,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 22:58:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:01,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 1875 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 22:58:02,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:58:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4442 backedges. 2552 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2021-12-15 22:58:04,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:58:04,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291495189] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:58:04,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:58:04,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-15 22:58:04,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17025198] [2021-12-15 22:58:04,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:58:04,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:58:04,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:58:04,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:58:04,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:58:04,089 INFO L87 Difference]: Start difference. First operand 11848 states and 12185 transitions. Second operand has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:04,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:58:04,733 INFO L93 Difference]: Finished difference Result 23365 states and 24037 transitions. [2021-12-15 22:58:04,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:58:04,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 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 1619 [2021-12-15 22:58:04,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:58:04,746 INFO L225 Difference]: With dead ends: 23365 [2021-12-15 22:58:04,746 INFO L226 Difference]: Without dead ends: 11848 [2021-12-15 22:58:04,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1623 GetRequests, 1619 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:58:04,753 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 33 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:58:04,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 377 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:58:04,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2021-12-15 22:58:04,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 11848. [2021-12-15 22:58:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.0268422385414029) internal successors, (12165), 11847 states have internal predecessors, (12165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12165 transitions. [2021-12-15 22:58:04,837 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12165 transitions. Word has length 1619 [2021-12-15 22:58:04,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:58:04,838 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12165 transitions. [2021-12-15 22:58:04,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:04,838 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12165 transitions. [2021-12-15 22:58:04,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1628 [2021-12-15 22:58:04,892 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:58:04,900 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:58:04,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-15 22:58:05,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-15 22:58:05,112 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:58:05,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:58:05,112 INFO L85 PathProgramCache]: Analyzing trace with hash 370183336, now seen corresponding path program 1 times [2021-12-15 22:58:05,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:58:05,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657695306] [2021-12-15 22:58:05,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:05,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:58:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 5184 backedges. 1229 proven. 0 refuted. 0 times theorem prover too weak. 3955 trivial. 0 not checked. [2021-12-15 22:58:05,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:58:05,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657695306] [2021-12-15 22:58:05,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657695306] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:58:05,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:58:05,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:58:05,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124639314] [2021-12-15 22:58:05,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:58:05,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:58:05,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:58:05,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:58:05,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:58:05,511 INFO L87 Difference]: Start difference. First operand 11848 states and 12165 transitions. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:06,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:58:06,189 INFO L93 Difference]: Finished difference Result 23365 states and 23997 transitions. [2021-12-15 22:58:06,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:58:06,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 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 1627 [2021-12-15 22:58:06,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:58:06,201 INFO L225 Difference]: With dead ends: 23365 [2021-12-15 22:58:06,202 INFO L226 Difference]: Without dead ends: 11848 [2021-12-15 22:58:06,207 INFO L932 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 [2021-12-15 22:58:06,208 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 242 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:58:06,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 421 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:58:06,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2021-12-15 22:58:06,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 11848. [2021-12-15 22:58:06,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.0197518359078248) internal successors, (12081), 11847 states have internal predecessors, (12081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12081 transitions. [2021-12-15 22:58:06,351 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12081 transitions. Word has length 1627 [2021-12-15 22:58:06,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:58:06,352 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12081 transitions. [2021-12-15 22:58:06,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12081 transitions. [2021-12-15 22:58:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1789 [2021-12-15 22:58:06,383 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:58:06,384 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:58:06,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-15 22:58:06,384 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:58:06,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:58:06,385 INFO L85 PathProgramCache]: Analyzing trace with hash -299278861, now seen corresponding path program 1 times [2021-12-15 22:58:06,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:58:06,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032639475] [2021-12-15 22:58:06,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:06,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:58:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 6420 backedges. 4048 proven. 156 refuted. 0 times theorem prover too weak. 2216 trivial. 0 not checked. [2021-12-15 22:58:06,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:58:06,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032639475] [2021-12-15 22:58:06,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032639475] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:58:06,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039433306] [2021-12-15 22:58:06,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:06,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:58:06,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:58:06,916 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:58:06,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-15 22:58:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:07,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 2092 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 22:58:07,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:58:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6420 backedges. 2575 proven. 0 refuted. 0 times theorem prover too weak. 3845 trivial. 0 not checked. [2021-12-15 22:58:10,258 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:58:10,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039433306] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:58:10,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:58:10,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-12-15 22:58:10,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569229792] [2021-12-15 22:58:10,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:58:10,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:58:10,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:58:10,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:58:10,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:58:10,260 INFO L87 Difference]: Start difference. First operand 11848 states and 12081 transitions. Second operand has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 2 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) [2021-12-15 22:58:10,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:58:10,857 INFO L93 Difference]: Finished difference Result 23365 states and 23829 transitions. [2021-12-15 22:58:10,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:58:10,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 2 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) Word has length 1788 [2021-12-15 22:58:10,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:58:10,867 INFO L225 Difference]: With dead ends: 23365 [2021-12-15 22:58:10,867 INFO L226 Difference]: Without dead ends: 11848 [2021-12-15 22:58:10,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1795 GetRequests, 1791 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:58:10,874 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 89 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:58:10,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 76 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:58:10,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11848 states. [2021-12-15 22:58:10,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11848 to 11848. [2021-12-15 22:58:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11848 states, 11847 states have (on average 1.0195830167975015) internal successors, (12079), 11847 states have internal predecessors, (12079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:10,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11848 states to 11848 states and 12079 transitions. [2021-12-15 22:58:10,959 INFO L78 Accepts]: Start accepts. Automaton has 11848 states and 12079 transitions. Word has length 1788 [2021-12-15 22:58:10,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:58:10,960 INFO L470 AbstractCegarLoop]: Abstraction has 11848 states and 12079 transitions. [2021-12-15 22:58:10,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 168.33333333333334) internal successors, (505), 2 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) [2021-12-15 22:58:10,960 INFO L276 IsEmpty]: Start isEmpty. Operand 11848 states and 12079 transitions. [2021-12-15 22:58:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1819 [2021-12-15 22:58:10,985 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:58:10,986 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:58:11,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-15 22:58:11,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:58:11,204 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:58:11,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:58:11,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1110501745, now seen corresponding path program 1 times [2021-12-15 22:58:11,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:58:11,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522991228] [2021-12-15 22:58:11,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:11,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:58:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:11,691 INFO L134 CoverageAnalysis]: Checked inductivity of 7270 backedges. 2579 proven. 156 refuted. 0 times theorem prover too weak. 4535 trivial. 0 not checked. [2021-12-15 22:58:11,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:58:11,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522991228] [2021-12-15 22:58:11,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522991228] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:58:11,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817415723] [2021-12-15 22:58:11,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:11,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:58:11,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:58:11,692 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:58:11,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-15 22:58:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:12,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 2146 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 22:58:12,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:58:14,669 INFO L134 CoverageAnalysis]: Checked inductivity of 7270 backedges. 2735 proven. 0 refuted. 0 times theorem prover too weak. 4535 trivial. 0 not checked. [2021-12-15 22:58:14,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:58:14,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817415723] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:58:14,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:58:14,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-15 22:58:14,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047233139] [2021-12-15 22:58:14,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:58:14,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:58:14,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:58:14,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:58:14,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-15 22:58:14,671 INFO L87 Difference]: Start difference. First operand 11848 states and 12079 transitions. Second operand has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:15,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:58:15,314 INFO L93 Difference]: Finished difference Result 25668 states and 26198 transitions. [2021-12-15 22:58:15,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:58:15,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 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 1818 [2021-12-15 22:58:15,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:58:15,330 INFO L225 Difference]: With dead ends: 25668 [2021-12-15 22:58:15,331 INFO L226 Difference]: Without dead ends: 14151 [2021-12-15 22:58:15,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1822 GetRequests, 1817 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-15 22:58:15,339 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 174 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:58:15,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 88 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:58:15,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-12-15 22:58:15,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 13164. [2021-12-15 22:58:15,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.018688748765479) internal successors, (13409), 13163 states have internal predecessors, (13409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:15,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13409 transitions. [2021-12-15 22:58:15,444 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13409 transitions. Word has length 1818 [2021-12-15 22:58:15,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:58:15,444 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13409 transitions. [2021-12-15 22:58:15,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:15,445 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13409 transitions. [2021-12-15 22:58:15,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1927 [2021-12-15 22:58:15,472 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:58:15,473 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:58:15,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-15 22:58:15,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-15 22:58:15,688 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:58:15,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:58:15,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1946709845, now seen corresponding path program 1 times [2021-12-15 22:58:15,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:58:15,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10477094] [2021-12-15 22:58:15,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:15,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:58:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:16,611 INFO L134 CoverageAnalysis]: Checked inductivity of 7290 backedges. 3949 proven. 1560 refuted. 0 times theorem prover too weak. 1781 trivial. 0 not checked. [2021-12-15 22:58:16,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:58:16,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10477094] [2021-12-15 22:58:16,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10477094] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:58:16,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30816338] [2021-12-15 22:58:16,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:16,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:58:16,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:58:16,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:58:16,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-15 22:58:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:17,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 2262 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 22:58:17,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:58:19,026 INFO L134 CoverageAnalysis]: Checked inductivity of 7290 backedges. 3946 proven. 0 refuted. 0 times theorem prover too weak. 3344 trivial. 0 not checked. [2021-12-15 22:58:19,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:58:19,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30816338] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:58:19,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:58:19,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-15 22:58:19,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455719976] [2021-12-15 22:58:19,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:58:19,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:58:19,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:58:19,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:58:19,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:58:19,028 INFO L87 Difference]: Start difference. First operand 13164 states and 13409 transitions. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:19,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:58:19,645 INFO L93 Difference]: Finished difference Result 26655 states and 27154 transitions. [2021-12-15 22:58:19,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:58:19,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 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 1926 [2021-12-15 22:58:19,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:58:19,656 INFO L225 Difference]: With dead ends: 26655 [2021-12-15 22:58:19,656 INFO L226 Difference]: Without dead ends: 13822 [2021-12-15 22:58:19,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1932 GetRequests, 1928 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:58:19,663 INFO L933 BasicCegarLoop]: 418 mSDtfsCounter, 263 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:58:19,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 424 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:58:19,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-12-15 22:58:19,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13822. [2021-12-15 22:58:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0180884161782795) internal successors, (14071), 13821 states have internal predecessors, (14071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14071 transitions. [2021-12-15 22:58:19,819 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14071 transitions. Word has length 1926 [2021-12-15 22:58:19,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:58:19,820 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14071 transitions. [2021-12-15 22:58:19,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:19,821 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14071 transitions. [2021-12-15 22:58:19,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2011 [2021-12-15 22:58:19,849 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:58:19,850 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:58:19,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-15 22:58:20,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:58:20,068 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:58:20,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:58:20,069 INFO L85 PathProgramCache]: Analyzing trace with hash -2007144947, now seen corresponding path program 1 times [2021-12-15 22:58:20,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:58:20,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520372220] [2021-12-15 22:58:20,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:20,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:58:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:20,608 INFO L134 CoverageAnalysis]: Checked inductivity of 8435 backedges. 3698 proven. 956 refuted. 0 times theorem prover too weak. 3781 trivial. 0 not checked. [2021-12-15 22:58:20,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:58:20,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520372220] [2021-12-15 22:58:20,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520372220] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:58:20,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163965866] [2021-12-15 22:58:20,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:20,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:58:20,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:58:20,610 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:58:20,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-15 22:58:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:20,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 2356 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 22:58:20,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:58:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 8435 backedges. 4843 proven. 0 refuted. 0 times theorem prover too weak. 3592 trivial. 0 not checked. [2021-12-15 22:58:23,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:58:23,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163965866] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:58:23,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:58:23,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-12-15 22:58:23,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278419245] [2021-12-15 22:58:23,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:58:23,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:58:23,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:58:23,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:58:23,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-15 22:58:23,094 INFO L87 Difference]: Start difference. First operand 13822 states and 14071 transitions. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:23,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:58:23,852 INFO L93 Difference]: Finished difference Result 30274 states and 30836 transitions. [2021-12-15 22:58:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:58:23,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 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 2010 [2021-12-15 22:58:23,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:58:23,866 INFO L225 Difference]: With dead ends: 30274 [2021-12-15 22:58:23,866 INFO L226 Difference]: Without dead ends: 16783 [2021-12-15 22:58:23,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2018 GetRequests, 2012 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-15 22:58:23,873 INFO L933 BasicCegarLoop]: 414 mSDtfsCounter, 221 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 22:58:23,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 420 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 22:58:23,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-12-15 22:58:23,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16125. [2021-12-15 22:58:23,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0169312825601589) internal successors, (16397), 16124 states have internal predecessors, (16397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16397 transitions. [2021-12-15 22:58:24,004 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16397 transitions. Word has length 2010 [2021-12-15 22:58:24,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:58:24,005 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16397 transitions. [2021-12-15 22:58:24,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:24,005 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16397 transitions. [2021-12-15 22:58:24,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2042 [2021-12-15 22:58:24,038 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:58:24,039 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:58:24,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-15 22:58:24,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:58:24,256 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:58:24,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:58:24,256 INFO L85 PathProgramCache]: Analyzing trace with hash -182327770, now seen corresponding path program 1 times [2021-12-15 22:58:24,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:58:24,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168495811] [2021-12-15 22:58:24,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:24,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:58:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:24,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8811 backedges. 3823 proven. 969 refuted. 0 times theorem prover too weak. 4019 trivial. 0 not checked. [2021-12-15 22:58:24,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:58:24,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168495811] [2021-12-15 22:58:24,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168495811] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:58:24,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085930966] [2021-12-15 22:58:24,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:24,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:58:24,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:58:24,809 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:58:24,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-15 22:58:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:25,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 22:58:25,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:58:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 8811 backedges. 731 proven. 0 refuted. 0 times theorem prover too weak. 8080 trivial. 0 not checked. [2021-12-15 22:58:27,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:58:27,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085930966] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:58:27,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:58:27,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-12-15 22:58:27,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302972642] [2021-12-15 22:58:27,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:58:27,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:58:27,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:58:27,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:58:27,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-15 22:58:27,741 INFO L87 Difference]: Start difference. First operand 16125 states and 16397 transitions. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:27,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:58:27,796 INFO L93 Difference]: Finished difference Result 16454 states and 16728 transitions. [2021-12-15 22:58:27,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:58:27,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 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 2041 [2021-12-15 22:58:27,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:58:27,802 INFO L225 Difference]: With dead ends: 16454 [2021-12-15 22:58:27,802 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 22:58:27,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2049 GetRequests, 2043 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-15 22:58:27,813 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 270 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 746 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 22:58:27,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 425 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 746 Unchecked, 0.0s Time] [2021-12-15 22:58:27,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 22:58:27,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 22:58:27,814 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) [2021-12-15 22:58:27,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 22:58:27,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2041 [2021-12-15 22:58:27,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:58:27,815 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 22:58:27,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:27,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 22:58:27,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 22:58:27,817 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 22:58:27,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-15 22:58:28,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:58:28,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,831 INFO L858 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,832 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,833 INFO L858 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,834 INFO L858 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,834 INFO L858 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,834 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,834 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,834 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,834 INFO L858 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,834 INFO L858 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,834 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,834 INFO L858 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,834 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,834 INFO L858 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,834 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L854 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse1 (= ~a12~0 6)) (.cse4 (<= ~a16~0 11)) (.cse8 (= ~a12~0 7)) (.cse2 (<= ~a16~0 8)) (.cse7 (= 9 ~a12~0)) (.cse5 (<= 4 ~a15~0)) (.cse9 (= 8 ~a12~0)) (.cse3 (<= ~a12~0 5)) (.cse6 (= ~a16~0 9)) (.cse0 (= ~a15~0 3))) (or (and .cse0 (= ~a12~0 8)) (and .cse1 .cse0) (and .cse2 .cse0) (and (exists ((v_~a18~0_902 Int)) (and (< 0 (+ v_~a18~0_902 156)) (<= (+ (mod (+ (* v_~a18~0_902 5) 81) 106) 7) ~a18~0))) .cse0 .cse3) (and .cse1 .cse4 .cse5) (and (= ~a15~0 4) (= ~a12~0 5) (= ~a16~0 8)) (and .cse6 .cse5 .cse7) (and .cse2 .cse5 .cse8) (and .cse0 .cse8) (and (<= (+ (div ~a18~0 (- 2)) 79) 0) .cse4 .cse5 .cse3) (and .cse4 .cse5 .cse3 (<= (+ ~a18~0 79) 0)) (and .cse6 .cse5 .cse8) (and .cse2 .cse5 .cse9) (and .cse2 .cse5 .cse7) (and .cse0 .cse7) (and .cse6 .cse5 .cse9) (and (<= 11 ~a16~0) .cse0 .cse3) (and .cse6 .cse0))) [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,835 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-15 22:58:30,836 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-15 22:58:30,836 INFO L858 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,836 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-15 22:58:30,836 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,836 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,836 INFO L858 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,836 INFO L858 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,836 INFO L858 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,836 INFO L858 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,837 INFO L858 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,837 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,837 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,837 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,837 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,837 INFO L858 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,837 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,837 INFO L858 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,838 INFO L858 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,838 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,838 INFO L858 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,838 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-15 22:58:30,838 INFO L858 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,839 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-15 22:58:30,839 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-15 22:58:30,839 INFO L858 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,839 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,839 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,839 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,839 INFO L858 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,839 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,840 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,840 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,840 INFO L858 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,840 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,840 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,840 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-15 22:58:30,840 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-15 22:58:30,840 INFO L858 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,840 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-15 22:58:30,840 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,841 INFO L854 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse1 (= ~a12~0 6)) (.cse4 (<= ~a16~0 11)) (.cse8 (= ~a12~0 7)) (.cse2 (<= ~a16~0 8)) (.cse7 (= 9 ~a12~0)) (.cse5 (<= 4 ~a15~0)) (.cse9 (= 8 ~a12~0)) (.cse3 (<= ~a12~0 5)) (.cse6 (= ~a16~0 9)) (.cse0 (= ~a15~0 3))) (or (and .cse0 (= ~a12~0 8)) (and .cse1 .cse0) (and .cse2 .cse0) (and (exists ((v_~a18~0_902 Int)) (and (< 0 (+ v_~a18~0_902 156)) (<= (+ (mod (+ (* v_~a18~0_902 5) 81) 106) 7) ~a18~0))) .cse0 .cse3) (and .cse1 .cse4 .cse5) (and (= ~a15~0 4) (= ~a12~0 5) (or (<= ~a18~0 134) (not (= 3 |ULTIMATE.start_calculate_output_~input#1|))) (= ~a16~0 8)) (and .cse6 .cse5 .cse7) (and .cse2 .cse5 .cse8) (and .cse0 .cse8) (and (<= (+ (div ~a18~0 (- 2)) 79) 0) .cse4 .cse5 .cse3) (and .cse4 .cse5 .cse3 (<= (+ ~a18~0 79) 0)) (and .cse6 .cse5 .cse8) (and .cse2 .cse5 .cse9) (and .cse2 .cse5 .cse7) (and .cse0 .cse7) (and .cse6 .cse5 .cse9) (and (<= 11 ~a16~0) .cse0 .cse3) (and .cse6 .cse0))) [2021-12-15 22:58:30,841 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,841 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,841 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,841 INFO L858 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,841 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,841 INFO L858 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,841 INFO L858 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,841 INFO L858 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,841 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 22:58:30,842 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,842 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,842 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,842 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,842 INFO L858 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,843 INFO L858 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,843 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-15 22:58:30,843 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,843 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-15 22:58:30,843 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-15 22:58:30,843 INFO L858 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,843 INFO L861 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-12-15 22:58:30,843 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,843 INFO L858 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,843 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,844 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,844 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,844 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,844 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,844 INFO L858 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,844 INFO L858 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,844 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,844 INFO L858 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,844 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-15 22:58:30,844 INFO L858 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,845 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-15 22:58:30,845 INFO L858 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,845 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-15 22:58:30,845 INFO L858 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,845 INFO L858 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,845 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,845 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,845 INFO L858 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,845 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,845 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,845 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,846 INFO L858 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,846 INFO L858 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,846 INFO L858 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,846 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,846 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,846 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,846 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,846 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,846 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-15 22:58:30,846 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-15 22:58:30,847 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-15 22:58:30,847 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 22:58:30,847 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2021-12-15 22:58:30,847 INFO L854 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse1 (= ~a12~0 6)) (.cse4 (<= ~a16~0 11)) (.cse8 (= ~a12~0 7)) (.cse2 (<= ~a16~0 8)) (.cse7 (= 9 ~a12~0)) (.cse5 (<= 4 ~a15~0)) (.cse9 (= 8 ~a12~0)) (.cse3 (<= ~a12~0 5)) (.cse6 (= ~a16~0 9)) (.cse0 (= ~a15~0 3))) (or (and .cse0 (= ~a12~0 8)) (and .cse1 .cse0) (and .cse2 .cse0) (and (exists ((v_~a18~0_902 Int)) (and (< 0 (+ v_~a18~0_902 156)) (<= (+ (mod (+ (* v_~a18~0_902 5) 81) 106) 7) ~a18~0))) .cse0 .cse3) (and .cse1 .cse4 .cse5) (and (= ~a15~0 4) (= ~a12~0 5) (= ~a16~0 8)) (and .cse6 .cse5 .cse7) (and .cse2 .cse5 .cse8) (and .cse0 .cse8) (and (<= (+ (div ~a18~0 (- 2)) 79) 0) .cse4 .cse5 .cse3) (and .cse4 .cse5 .cse3 (<= (+ ~a18~0 79) 0)) (and .cse6 .cse5 .cse8) (and .cse2 .cse5 .cse9) (and .cse2 .cse5 .cse7) (and .cse0 .cse7) (and .cse6 .cse5 .cse9) (and (<= 11 ~a16~0) .cse0 .cse3) (and .cse6 .cse0))) [2021-12-15 22:58:30,847 INFO L858 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,847 INFO L858 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,847 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,847 INFO L858 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,848 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,848 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,848 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,848 INFO L858 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,848 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,848 INFO L858 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,848 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,848 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,848 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,848 INFO L858 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,849 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-15 22:58:30,849 INFO L858 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,849 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-15 22:58:30,849 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-15 22:58:30,849 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,849 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,849 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,849 INFO L858 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,849 INFO L858 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,849 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,850 INFO L858 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,850 INFO L858 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,850 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,850 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,850 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,850 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,850 INFO L858 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-12-15 22:58:30,850 INFO L858 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,850 INFO L858 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,850 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,851 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,851 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,851 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-15 22:58:30,851 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-15 22:58:30,851 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-15 22:58:30,851 INFO L858 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,851 INFO L858 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,851 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,851 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,851 INFO L858 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,852 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,852 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,852 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,852 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,852 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,852 INFO L858 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,852 INFO L858 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,852 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,852 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-15 22:58:30,852 INFO L858 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,852 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-15 22:58:30,853 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-15 22:58:30,853 INFO L858 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,853 INFO L858 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,853 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,854 INFO L858 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,854 INFO L858 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,854 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,854 INFO L858 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,854 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,855 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,855 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,855 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,855 INFO L858 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,856 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,856 INFO L858 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,856 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-15 22:58:30,857 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-15 22:58:30,857 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-15 22:58:30,857 INFO L858 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,857 INFO L858 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,857 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,857 INFO L858 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,857 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,857 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,857 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,857 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,858 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,858 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,858 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,858 INFO L858 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,858 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,858 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,858 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-15 22:58:30,858 INFO L858 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,858 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-15 22:58:30,858 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-15 22:58:30,858 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,859 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,859 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,859 INFO L858 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,859 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,859 INFO L858 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,859 INFO L858 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,859 INFO L858 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,859 INFO L858 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,859 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,859 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,860 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,860 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,860 INFO L858 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,860 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-15 22:58:30,860 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-15 22:58:30,860 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-15 22:58:30,860 INFO L858 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,860 INFO L858 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,860 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,860 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,861 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,861 INFO L858 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,861 INFO L858 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,861 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,861 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,861 INFO L858 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,861 INFO L858 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,861 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,861 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,861 INFO L858 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,862 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 22:58:30,862 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,862 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-15 22:58:30,862 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-15 22:58:30,862 INFO L858 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,862 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,862 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,862 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,862 INFO L858 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,862 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,863 INFO L858 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,863 INFO L858 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,863 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,863 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,863 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,863 INFO L858 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,863 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-15 22:58:30,863 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-15 22:58:30,863 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,863 INFO L858 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,863 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,864 INFO L858 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,864 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,864 INFO L858 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,864 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,864 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,864 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,864 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,864 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,864 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,864 INFO L858 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,865 INFO L858 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,865 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,865 INFO L858 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,865 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-15 22:58:30,865 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-15 22:58:30,865 INFO L858 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,865 INFO L858 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,865 INFO L858 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,865 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,865 INFO L858 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,866 INFO L858 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,866 INFO L858 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,866 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,866 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,866 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 22:58:30,866 INFO L858 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,866 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,866 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-15 22:58:30,866 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-15 22:58:30,866 INFO L858 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,866 INFO L858 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,867 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,867 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,867 INFO L858 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,867 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,867 INFO L858 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,867 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,867 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,867 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,867 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,867 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,868 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,868 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,868 INFO L858 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,868 INFO L858 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,868 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,868 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-15 22:58:30,868 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-15 22:58:30,868 INFO L858 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,868 INFO L858 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,868 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,869 INFO L858 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,869 INFO L858 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,869 INFO L858 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,869 INFO L858 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-12-15 22:58:30,870 INFO L858 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,870 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,870 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,870 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-12-15 22:58:30,870 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:30,870 INFO L858 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,870 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,870 INFO L858 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-12-15 22:58:30,870 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-15 22:58:30,870 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-15 22:58:30,870 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-15 22:58:30,873 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:58:30,874 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 22:58:30,881 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:30,881 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:30,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:30,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:30,902 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:30,902 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:30,904 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:30,904 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:30,905 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:30,906 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:30,907 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:30,908 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:30,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:58:30 BoogieIcfgContainer [2021-12-15 22:58:30,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 22:58:30,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 22:58:30,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 22:58:30,911 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 22:58:30,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:43" (3/4) ... [2021-12-15 22:58:30,913 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 22:58:30,936 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-15 22:58:30,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 22:58:30,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 22:58:30,940 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 22:58:30,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((a15 == 3 && a12 == 8) || (a12 == 6 && a15 == 3)) || (a16 <= 8 && a15 == 3)) || (((\exists v_~a18~0_902 : int :: 0 < v_~a18~0_902 + 156 && (v_~a18~0_902 * 5 + 81) % 106 + 7 <= a18) && a15 == 3) && a12 <= 5)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || ((a15 == 4 && a12 == 5) && a16 == 8)) || ((a16 == 9 && 4 <= a15) && 9 == a12)) || ((a16 <= 8 && 4 <= a15) && a12 == 7)) || (a15 == 3 && a12 == 7)) || (((a18 / -2 + 79 <= 0 && a16 <= 11) && 4 <= a15) && a12 <= 5)) || (((a16 <= 11 && 4 <= a15) && a12 <= 5) && a18 + 79 <= 0)) || ((a16 == 9 && 4 <= a15) && a12 == 7)) || ((a16 <= 8 && 4 <= a15) && 8 == a12)) || ((a16 <= 8 && 4 <= a15) && 9 == a12)) || (a15 == 3 && 9 == a12)) || ((a16 == 9 && 4 <= a15) && 8 == a12)) || ((11 <= a16 && a15 == 3) && a12 <= 5)) || (a16 == 9 && a15 == 3) [2021-12-15 22:58:30,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((a15 == 3 && a12 == 8) || (a12 == 6 && a15 == 3)) || (a16 <= 8 && a15 == 3)) || (((\exists v_~a18~0_902 : int :: 0 < v_~a18~0_902 + 156 && (v_~a18~0_902 * 5 + 81) % 106 + 7 <= a18) && a15 == 3) && a12 <= 5)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || ((a15 == 4 && a12 == 5) && a16 == 8)) || ((a16 == 9 && 4 <= a15) && 9 == a12)) || ((a16 <= 8 && 4 <= a15) && a12 == 7)) || (a15 == 3 && a12 == 7)) || (((a18 / -2 + 79 <= 0 && a16 <= 11) && 4 <= a15) && a12 <= 5)) || (((a16 <= 11 && 4 <= a15) && a12 <= 5) && a18 + 79 <= 0)) || ((a16 == 9 && 4 <= a15) && a12 == 7)) || ((a16 <= 8 && 4 <= a15) && 8 == a12)) || ((a16 <= 8 && 4 <= a15) && 9 == a12)) || (a15 == 3 && 9 == a12)) || ((a16 == 9 && 4 <= a15) && 8 == a12)) || ((11 <= a16 && a15 == 3) && a12 <= 5)) || (a16 == 9 && a15 == 3) [2021-12-15 22:58:30,972 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((a15 == 3 && a12 == 8) || (a12 == 6 && a15 == 3)) || (a16 <= 8 && a15 == 3)) || (((\exists v_~a18~0_902 : int :: 0 < v_~a18~0_902 + 156 && (v_~a18~0_902 * 5 + 81) % 106 + 7 <= a18) && a15 == 3) && a12 <= 5)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || (((a15 == 4 && a12 == 5) && (a18 <= 134 || !(3 == input))) && a16 == 8)) || ((a16 == 9 && 4 <= a15) && 9 == a12)) || ((a16 <= 8 && 4 <= a15) && a12 == 7)) || (a15 == 3 && a12 == 7)) || (((a18 / -2 + 79 <= 0 && a16 <= 11) && 4 <= a15) && a12 <= 5)) || (((a16 <= 11 && 4 <= a15) && a12 <= 5) && a18 + 79 <= 0)) || ((a16 == 9 && 4 <= a15) && a12 == 7)) || ((a16 <= 8 && 4 <= a15) && 8 == a12)) || ((a16 <= 8 && 4 <= a15) && 9 == a12)) || (a15 == 3 && 9 == a12)) || ((a16 == 9 && 4 <= a15) && 8 == a12)) || ((11 <= a16 && a15 == 3) && a12 <= 5)) || (a16 == 9 && a15 == 3) [2021-12-15 22:58:31,058 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 22:58:31,058 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 22:58:31,059 INFO L158 Benchmark]: Toolchain (without parser) took 49933.37ms. Allocated memory was 134.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 99.2MB in the beginning and 698.7MB in the end (delta: -599.4MB). Peak memory consumption was 731.2MB. Max. memory is 16.1GB. [2021-12-15 22:58:31,059 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 50.7MB in the beginning and 50.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 22:58:31,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.13ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 61.2MB in the end (delta: 38.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2021-12-15 22:58:31,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.13ms. Allocated memory is still 134.2MB. Free memory was 61.2MB in the beginning and 92.5MB in the end (delta: -31.3MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2021-12-15 22:58:31,060 INFO L158 Benchmark]: Boogie Preprocessor took 114.47ms. Allocated memory is still 134.2MB. Free memory was 92.5MB in the beginning and 79.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 22:58:31,061 INFO L158 Benchmark]: RCFGBuilder took 1454.60ms. Allocated memory was 134.2MB in the beginning and 253.8MB in the end (delta: 119.5MB). Free memory was 79.3MB in the beginning and 202.4MB in the end (delta: -123.0MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2021-12-15 22:58:31,061 INFO L158 Benchmark]: TraceAbstraction took 47448.63ms. Allocated memory was 253.8MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 202.4MB in the beginning and 736.4MB in the end (delta: -534.1MB). Peak memory consumption was 777.7MB. Max. memory is 16.1GB. [2021-12-15 22:58:31,063 INFO L158 Benchmark]: Witness Printer took 147.68ms. Allocated memory is still 1.5GB. Free memory was 736.4MB in the beginning and 698.7MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-15 22:58:31,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 50.7MB in the beginning and 50.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.13ms. Allocated memory is still 134.2MB. Free memory was 99.2MB in the beginning and 61.2MB in the end (delta: 38.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.13ms. Allocated memory is still 134.2MB. Free memory was 61.2MB in the beginning and 92.5MB in the end (delta: -31.3MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.47ms. Allocated memory is still 134.2MB. Free memory was 92.5MB in the beginning and 79.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1454.60ms. Allocated memory was 134.2MB in the beginning and 253.8MB in the end (delta: 119.5MB). Free memory was 79.3MB in the beginning and 202.4MB in the end (delta: -123.0MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. * TraceAbstraction took 47448.63ms. Allocated memory was 253.8MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 202.4MB in the beginning and 736.4MB in the end (delta: -534.1MB). Peak memory consumption was 777.7MB. Max. memory is 16.1GB. * Witness Printer took 147.68ms. Allocated memory is still 1.5GB. Free memory was 736.4MB in the beginning and 698.7MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] * 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: 206]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.4s, OverallIterations: 21, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4755 SdHoareTripleChecker+Valid, 14.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4755 mSDsluCounter, 6616 SdHoareTripleChecker+Invalid, 12.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 746 IncrementalHoareTripleChecker+Unchecked, 200 mSDsCounter, 2182 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16175 IncrementalHoareTripleChecker+Invalid, 19103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2182 mSolverCounterUnsat, 6416 mSDtfsCounter, 16175 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11802 GetRequests, 11748 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16125occurred in iteration=20, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 21 MinimizatonAttempts, 5996 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 188 NumberOfFragments, 579 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1316 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 4 FomulaSimplificationsInter, 6751 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 20.1s InterpolantComputationTime, 33763 NumberOfCodeBlocks, 33763 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 33735 ConstructedInterpolants, 61 QuantifiedInterpolants, 86030 SizeOfPredicates, 1 NumberOfNonLiveVariables, 13770 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 28 InterpolantComputations, 21 PerfectInterpolantSequences, 102935/108109 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: 1504]: Loop Invariant [2021-12-15 22:58:31,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:31,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:31,080 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:31,082 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] Derived loop invariant: (((((((((((((((((a15 == 3 && a12 == 8) || (a12 == 6 && a15 == 3)) || (a16 <= 8 && a15 == 3)) || (((\exists v_~a18~0_902 : int :: 0 < v_~a18~0_902 + 156 && (v_~a18~0_902 * 5 + 81) % 106 + 7 <= a18) && a15 == 3) && a12 <= 5)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || (((a15 == 4 && a12 == 5) && (a18 <= 134 || !(3 == input))) && a16 == 8)) || ((a16 == 9 && 4 <= a15) && 9 == a12)) || ((a16 <= 8 && 4 <= a15) && a12 == 7)) || (a15 == 3 && a12 == 7)) || (((a18 / -2 + 79 <= 0 && a16 <= 11) && 4 <= a15) && a12 <= 5)) || (((a16 <= 11 && 4 <= a15) && a12 <= 5) && a18 + 79 <= 0)) || ((a16 == 9 && 4 <= a15) && a12 == 7)) || ((a16 <= 8 && 4 <= a15) && 8 == a12)) || ((a16 <= 8 && 4 <= a15) && 9 == a12)) || (a15 == 3 && 9 == a12)) || ((a16 == 9 && 4 <= a15) && 8 == a12)) || ((11 <= a16 && a15 == 3) && a12 <= 5)) || (a16 == 9 && a15 == 3) - InvariantResult [Line: 1783]: Loop Invariant [2021-12-15 22:58:31,083 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:31,083 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:31,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:31,084 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] Derived loop invariant: (((((((((((((((((a15 == 3 && a12 == 8) || (a12 == 6 && a15 == 3)) || (a16 <= 8 && a15 == 3)) || (((\exists v_~a18~0_902 : int :: 0 < v_~a18~0_902 + 156 && (v_~a18~0_902 * 5 + 81) % 106 + 7 <= a18) && a15 == 3) && a12 <= 5)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || ((a15 == 4 && a12 == 5) && a16 == 8)) || ((a16 == 9 && 4 <= a15) && 9 == a12)) || ((a16 <= 8 && 4 <= a15) && a12 == 7)) || (a15 == 3 && a12 == 7)) || (((a18 / -2 + 79 <= 0 && a16 <= 11) && 4 <= a15) && a12 <= 5)) || (((a16 <= 11 && 4 <= a15) && a12 <= 5) && a18 + 79 <= 0)) || ((a16 == 9 && 4 <= a15) && a12 == 7)) || ((a16 <= 8 && 4 <= a15) && 8 == a12)) || ((a16 <= 8 && 4 <= a15) && 9 == a12)) || (a15 == 3 && 9 == a12)) || ((a16 == 9 && 4 <= a15) && 8 == a12)) || ((11 <= a16 && a15 == 3) && a12 <= 5)) || (a16 == 9 && a15 == 3) - InvariantResult [Line: 33]: Loop Invariant [2021-12-15 22:58:31,085 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:31,085 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:31,085 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] [2021-12-15 22:58:31,085 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_902,QUANTIFIED] Derived loop invariant: (((((((((((((((((a15 == 3 && a12 == 8) || (a12 == 6 && a15 == 3)) || (a16 <= 8 && a15 == 3)) || (((\exists v_~a18~0_902 : int :: 0 < v_~a18~0_902 + 156 && (v_~a18~0_902 * 5 + 81) % 106 + 7 <= a18) && a15 == 3) && a12 <= 5)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || ((a15 == 4 && a12 == 5) && a16 == 8)) || ((a16 == 9 && 4 <= a15) && 9 == a12)) || ((a16 <= 8 && 4 <= a15) && a12 == 7)) || (a15 == 3 && a12 == 7)) || (((a18 / -2 + 79 <= 0 && a16 <= 11) && 4 <= a15) && a12 <= 5)) || (((a16 <= 11 && 4 <= a15) && a12 <= 5) && a18 + 79 <= 0)) || ((a16 == 9 && 4 <= a15) && a12 == 7)) || ((a16 <= 8 && 4 <= a15) && 8 == a12)) || ((a16 <= 8 && 4 <= a15) && 9 == a12)) || (a15 == 3 && 9 == a12)) || ((a16 == 9 && 4 <= a15) && 8 == a12)) || ((11 <= a16 && a15 == 3) && a12 <= 5)) || (a16 == 9 && a15 == 3) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-15 22:58:31,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE