./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 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/uthash-2.0.2/uthash_BER_test9-1.i -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 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 22:37:13,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 22:37:13,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 22:37:13,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 22:37:13,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 22:37:13,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 22:37:13,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 22:37:13,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 22:37:13,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 22:37:13,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 22:37:13,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 22:37:13,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 22:37:13,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 22:37:13,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 22:37:13,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 22:37:13,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 22:37:13,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 22:37:13,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 22:37:13,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 22:37:13,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 22:37:13,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 22:37:13,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 22:37:13,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 22:37:13,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 22:37:13,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 22:37:13,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 22:37:13,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 22:37:13,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 22:37:13,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 22:37:13,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 22:37:13,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 22:37:13,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 22:37:13,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 22:37:13,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 22:37:13,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 22:37:13,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 22:37:13,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 22:37:13,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 22:37:13,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 22:37:13,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 22:37:13,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 22:37:13,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 22:37:13,149 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 22:37:13,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 22:37:13,150 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 22:37:13,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 22:37:13,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 22:37:13,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 22:37:13,151 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 22:37:13,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 22:37:13,151 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 22:37:13,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 22:37:13,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 22:37:13,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 22:37:13,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 22:37:13,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 22:37:13,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 22:37:13,153 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 22:37:13,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 22:37:13,153 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 22:37:13,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 22:37:13,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 22:37:13,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 22:37:13,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 22:37:13,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:37:13,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 22:37:13,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 22:37:13,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 22:37:13,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 22:37:13,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 22:37:13,155 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 22:37:13,155 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 22:37:13,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 22:37:13,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 22:37:13,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6698dfe763688c38a478c53cfe3bc6bac092e445bf13ef44be53eb6068218c93 [2021-11-06 22:37:13,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 22:37:13,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 22:37:13,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 22:37:13,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 22:37:13,322 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 22:37:13,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2021-11-06 22:37:13,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8192ce39b/67f6b3b7e2744ddbabaa5c998d6c2a93/FLAGe0f9fb726 [2021-11-06 22:37:13,920 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 22:37:13,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i [2021-11-06 22:37:13,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8192ce39b/67f6b3b7e2744ddbabaa5c998d6c2a93/FLAGe0f9fb726 [2021-11-06 22:37:14,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8192ce39b/67f6b3b7e2744ddbabaa5c998d6c2a93 [2021-11-06 22:37:14,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 22:37:14,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 22:37:14,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 22:37:14,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 22:37:14,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 22:37:14,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:14" (1/1) ... [2021-11-06 22:37:14,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf21562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:14, skipping insertion in model container [2021-11-06 22:37:14,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:14" (1/1) ... [2021-11-06 22:37:14,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 22:37:14,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 22:37:14,755 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2021-11-06 22:37:14,901 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2021-11-06 22:37:14,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:37:14,908 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 22:37:14,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[33021,33034] [2021-11-06 22:37:15,002 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test9-1.i[84583,84596] [2021-11-06 22:37:15,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:37:15,027 INFO L208 MainTranslator]: Completed translation [2021-11-06 22:37:15,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15 WrapperNode [2021-11-06 22:37:15,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 22:37:15,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 22:37:15,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 22:37:15,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 22:37:15,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2021-11-06 22:37:15,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2021-11-06 22:37:15,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 22:37:15,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 22:37:15,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 22:37:15,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 22:37:15,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2021-11-06 22:37:15,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2021-11-06 22:37:15,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2021-11-06 22:37:15,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2021-11-06 22:37:15,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2021-11-06 22:37:15,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2021-11-06 22:37:15,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2021-11-06 22:37:15,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 22:37:15,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 22:37:15,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 22:37:15,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 22:37:15,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2021-11-06 22:37:15,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:37:15,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:15,395 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) [2021-11-06 22:37:15,411 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 [2021-11-06 22:37:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 22:37:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 22:37:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 22:37:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 22:37:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 22:37:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 22:37:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 22:37:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 22:37:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 22:37:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 22:37:15,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 22:37:17,661 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 22:37:17,662 INFO L299 CfgBuilder]: Removed 1066 assume(true) statements. [2021-11-06 22:37:17,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:17 BoogieIcfgContainer [2021-11-06 22:37:17,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 22:37:17,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 22:37:17,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 22:37:17,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 22:37:17,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:37:14" (1/3) ... [2021-11-06 22:37:17,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a0c3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:17, skipping insertion in model container [2021-11-06 22:37:17,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (2/3) ... [2021-11-06 22:37:17,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a0c3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:17, skipping insertion in model container [2021-11-06 22:37:17,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:17" (3/3) ... [2021-11-06 22:37:17,670 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test9-1.i [2021-11-06 22:37:17,673 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 22:37:17,673 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-06 22:37:17,703 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 22:37:17,706 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 22:37:17,707 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-06 22:37:17,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 2157 states, 1655 states have (on average 1.9716012084592145) internal successors, (3263), 2156 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:17,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 22:37:17,735 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:17,735 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:37:17,736 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:17,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:17,739 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-06 22:37:17,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:17,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150599102] [2021-11-06 22:37:17,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:17,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:17,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:37:17,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:17,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150599102] [2021-11-06 22:37:17,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150599102] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:17,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:17,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 22:37:17,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041934329] [2021-11-06 22:37:17,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 22:37:17,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:17,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 22:37:17,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 22:37:17,840 INFO L87 Difference]: Start difference. First operand has 2157 states, 1655 states have (on average 1.9716012084592145) internal successors, (3263), 2156 states have internal predecessors, (3263), 0 states have call successors, (0), 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:17,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:17,891 INFO L93 Difference]: Finished difference Result 4312 states and 6524 transitions. [2021-11-06 22:37:17,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 22:37:17,905 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-11-06 22:37:17,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:17,924 INFO L225 Difference]: With dead ends: 4312 [2021-11-06 22:37:17,924 INFO L226 Difference]: Without dead ends: 2153 [2021-11-06 22:37:17,933 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 22:37:17,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-06 22:37:17,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-06 22:37:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1652 states have (on average 1.6343825665859564) internal successors, (2700), 2152 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:18,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-06 22:37:18,008 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-06 22:37:18,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:18,009 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-06 22:37:18,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:18,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-06 22:37:18,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 22:37:18,010 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:18,011 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:37:18,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 22:37:18,011 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:18,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:18,012 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-06 22:37:18,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:18,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554923300] [2021-11-06 22:37:18,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:18,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:18,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:37:18,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:18,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554923300] [2021-11-06 22:37:18,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554923300] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:18,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:18,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:37:18,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844267152] [2021-11-06 22:37:18,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:37:18,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:18,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:37:18,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:37:18,087 INFO L87 Difference]: Start difference. First operand 2153 states and 2700 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:18,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:18,387 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-06 22:37:18,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:37:18,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-06 22:37:18,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:18,400 INFO L225 Difference]: With dead ends: 6317 [2021-11-06 22:37:18,400 INFO L226 Difference]: Without dead ends: 4254 [2021-11-06 22:37:18,405 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:37:18,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-06 22:37:18,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-06 22:37:18,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1654 states have (on average 1.6336154776299878) internal successors, (2702), 2154 states have internal predecessors, (2702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:18,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-06 22:37:18,452 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-06 22:37:18,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:18,452 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-06 22:37:18,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:18,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-06 22:37:18,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:37:18,459 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:18,459 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-06 22:37:18,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 22:37:18,460 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:18,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:18,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-06 22:37:18,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:18,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795462065] [2021-11-06 22:37:18,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:18,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:18,496 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:37:18,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1699162739] [2021-11-06 22:37:18,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:18,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:18,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:18,531 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) [2021-11-06 22:37:18,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 22:37:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:18,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:37:18,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:37:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:37:18,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:18,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795462065] [2021-11-06 22:37:18,960 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:37:18,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699162739] [2021-11-06 22:37:18,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699162739] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:18,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:18,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:37:18,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592125552] [2021-11-06 22:37:18,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:37:18,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:18,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:37:18,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:37:18,963 INFO L87 Difference]: Start difference. First operand 2155 states and 2702 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:19,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:19,037 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-06 22:37:19,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:37:19,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 22:37:19,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:19,042 INFO L225 Difference]: With dead ends: 4327 [2021-11-06 22:37:19,042 INFO L226 Difference]: Without dead ends: 2176 [2021-11-06 22:37:19,044 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:37:19,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-06 22:37:19,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-06 22:37:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1674 states have (on average 1.6260454002389486) internal successors, (2722), 2174 states have internal predecessors, (2722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:19,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-06 22:37:19,072 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-06 22:37:19,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:19,073 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-06 22:37:19,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:19,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-06 22:37:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:37:19,078 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:19,078 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-06 22:37:19,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-06 22:37:19,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:19,292 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:19,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:19,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-06 22:37:19,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:19,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267753186] [2021-11-06 22:37:19,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:19,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:19,315 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:37:19,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1652161540] [2021-11-06 22:37:19,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:19,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:19,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:19,317 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) [2021-11-06 22:37:19,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 22:37:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:19,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:37:19,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:37:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 22:37:19,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:19,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267753186] [2021-11-06 22:37:19,620 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:37:19,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652161540] [2021-11-06 22:37:19,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652161540] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:19,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:19,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:37:19,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966441005] [2021-11-06 22:37:19,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:37:19,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:19,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:37:19,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:37:19,622 INFO L87 Difference]: Start difference. First operand 2175 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:19,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:19,695 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-06 22:37:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:37:19,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 96 [2021-11-06 22:37:19,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:19,701 INFO L225 Difference]: With dead ends: 4258 [2021-11-06 22:37:19,701 INFO L226 Difference]: Without dead ends: 2196 [2021-11-06 22:37:19,703 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:37:19,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-06 22:37:19,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-06 22:37:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2195 states, 1694 states have (on average 1.6186540731995278) internal successors, (2742), 2194 states have internal predecessors, (2742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:19,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-06 22:37:19,742 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-06 22:37:19,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:19,742 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-06 22:37:19,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:19,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-06 22:37:19,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:37:19,743 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:19,743 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-06 22:37:19,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 22:37:19,960 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,SelfDestructingSolverStorable3 [2021-11-06 22:37:19,960 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:19,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:19,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-06 22:37:19,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:19,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772078316] [2021-11-06 22:37:19,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:19,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:19,972 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:37:19,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1355262344] [2021-11-06 22:37:19,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:19,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:19,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:19,974 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) [2021-11-06 22:37:19,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 22:37:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:20,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:37:20,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:37:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:37:20,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:20,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772078316] [2021-11-06 22:37:20,316 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:37:20,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355262344] [2021-11-06 22:37:20,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355262344] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:20,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:20,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:37:20,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862047761] [2021-11-06 22:37:20,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:37:20,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:20,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:37:20,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:37:20,325 INFO L87 Difference]: Start difference. First operand 2195 states and 2742 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:20,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:20,416 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-06 22:37:20,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:37:20,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 22:37:20,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:20,427 INFO L225 Difference]: With dead ends: 4378 [2021-11-06 22:37:20,428 INFO L226 Difference]: Without dead ends: 2187 [2021-11-06 22:37:20,431 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:37:20,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-06 22:37:20,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-06 22:37:20,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1680 states have (on average 1.6196428571428572) internal successors, (2721), 2180 states have internal predecessors, (2721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:20,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-06 22:37:20,470 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-06 22:37:20,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:20,470 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-06 22:37:20,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:20,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-06 22:37:20,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:37:20,475 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:20,475 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-06 22:37:20,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 22:37:20,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:20,714 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:20,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:20,715 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-06 22:37:20,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:20,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277770273] [2021-11-06 22:37:20,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:20,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:20,740 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:37:20,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469195782] [2021-11-06 22:37:20,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:20,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:20,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:20,743 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) [2021-11-06 22:37:20,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 22:37:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:20,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:37:20,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:37:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 22:37:21,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:21,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277770273] [2021-11-06 22:37:21,070 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:37:21,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469195782] [2021-11-06 22:37:21,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469195782] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:21,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:21,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:37:21,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896671836] [2021-11-06 22:37:21,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:37:21,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:21,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:37:21,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:37:21,073 INFO L87 Difference]: Start difference. First operand 2181 states and 2721 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:21,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:21,141 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-06 22:37:21,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:37:21,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 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 96 [2021-11-06 22:37:21,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:21,148 INFO L225 Difference]: With dead ends: 4255 [2021-11-06 22:37:21,148 INFO L226 Difference]: Without dead ends: 2173 [2021-11-06 22:37:21,150 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:37:21,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-06 22:37:21,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-06 22:37:21,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 1666 states have (on average 1.6206482593037215) internal successors, (2700), 2166 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:21,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-06 22:37:21,187 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-06 22:37:21,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:21,188 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-06 22:37:21,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:21,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-06 22:37:21,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:37:21,189 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:21,189 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-06 22:37:21,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-06 22:37:21,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:21,403 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:21,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:21,404 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-06 22:37:21,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:21,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492259375] [2021-11-06 22:37:21,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:21,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:21,416 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:37:21,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1163135279] [2021-11-06 22:37:21,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:21,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:21,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:21,423 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) [2021-11-06 22:37:21,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 22:37:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:21,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 22:37:21,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:37:21,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:37:21,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:21,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492259375] [2021-11-06 22:37:21,862 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:37:21,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163135279] [2021-11-06 22:37:21,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163135279] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:21,863 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:21,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:37:21,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441244015] [2021-11-06 22:37:21,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:37:21,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:21,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:37:21,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:37:21,864 INFO L87 Difference]: Start difference. First operand 2167 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:21,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:21,927 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-06 22:37:21,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:37:21,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 22:37:21,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:21,937 INFO L225 Difference]: With dead ends: 6426 [2021-11-06 22:37:21,937 INFO L226 Difference]: Without dead ends: 4263 [2021-11-06 22:37:21,939 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:37:21,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-06 22:37:21,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-06 22:37:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 2760 states have (on average 1.7409420289855073) internal successors, (4805), 3260 states have internal predecessors, (4805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-06 22:37:21,979 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-06 22:37:21,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:21,979 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-06 22:37:21,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:21,980 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-06 22:37:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 22:37:21,980 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:21,980 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:37:22,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 22:37:22,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:22,198 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:22,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:22,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-06 22:37:22,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:22,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854571498] [2021-11-06 22:37:22,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:22,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:22,210 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:37:22,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [371404393] [2021-11-06 22:37:22,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:22,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:22,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:22,211 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) [2021-11-06 22:37:22,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 22:37:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:22,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 22:37:22,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:37:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:37:22,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:37:22,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854571498] [2021-11-06 22:37:22,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:37:22,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371404393] [2021-11-06 22:37:22,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371404393] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:37:22,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:37:22,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:37:22,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48910086] [2021-11-06 22:37:22,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:37:22,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:37:22,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:37:22,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:37:22,666 INFO L87 Difference]: Start difference. First operand 3261 states and 4805 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:22,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:37:22,799 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-06 22:37:22,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:37:22,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2021-11-06 22:37:22,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:37:22,804 INFO L225 Difference]: With dead ends: 5424 [2021-11-06 22:37:22,804 INFO L226 Difference]: Without dead ends: 2211 [2021-11-06 22:37:22,807 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:37:22,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-06 22:37:22,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-06 22:37:22,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1710 states have (on average 1.6064327485380117) internal successors, (2747), 2210 states have internal predecessors, (2747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:22,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-06 22:37:22,829 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-06 22:37:22,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:37:22,830 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-06 22:37:22,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:37:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-06 22:37:22,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 22:37:22,831 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:37:22,831 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-11-06 22:37:22,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 22:37:23,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:23,049 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 22:37:23,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:37:23,050 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-06 22:37:23,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:37:23,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993741527] [2021-11-06 22:37:23,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:23,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:37:23,065 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:37:23,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1576671380] [2021-11-06 22:37:23,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:37:23,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:37:23,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:37:23,066 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) [2021-11-06 22:37:23,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 22:37:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:37:23,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 22:37:23,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:37:23,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 22:37:23,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 22:37:23,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:23,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 22:37:23,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:23,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:23,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:23,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 22:37:24,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 22:37:24,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 22:37:24,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 22:37:24,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 22:37:24,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 22:37:24,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 22:37:24,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,465 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 22:37:24,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 22:37:24,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:24,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 22:37:25,589 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 22:37:25,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-06 22:37:25,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:26,835 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 22:37:26,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-06 22:37:26,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:26,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:26,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:26,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:26,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:26,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:26,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:32,403 WARN L207 SmtUtils]: Spent 5.51 s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-06 22:37:32,405 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-06 22:37:32,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2277 [2021-11-06 22:37:32,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:32,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-06 22:37:32,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:32,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 22:37:34,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:37:35,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:35,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:35,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:37:35,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:35,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:37:35,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:35,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:35,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:35,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:35,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:35,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:35,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:35,175 INFO L244 Elim1Store]: Index analysis took 195 ms [2021-11-06 22:37:35,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 936 treesize of output 430 [2021-11-06 22:37:36,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:37:36,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:36,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:36,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:37:36,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:37:36,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:28,938 WARN L207 SmtUtils]: Spent 8.87 m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-06 22:46:28,939 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-06 22:46:28,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 38 new quantified variables, introduced 168 case distinctions, treesize of input 1325504 treesize of output 556695 [2021-11-06 22:46:32,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,429 INFO L244 Elim1Store]: Index analysis took 260 ms [2021-11-06 22:46:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,747 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:46:32,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 1421 treesize of output 647 [2021-11-06 22:46:32,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:32,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,152 INFO L244 Elim1Store]: Index analysis took 220 ms [2021-11-06 22:46:33,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,353 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:46:33,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 882 treesize of output 412 [2021-11-06 22:46:33,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,695 INFO L244 Elim1Store]: Index analysis took 246 ms [2021-11-06 22:46:33,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:33,929 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:46:33,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 678 treesize of output 316 [2021-11-06 22:46:34,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,217 INFO L244 Elim1Store]: Index analysis took 197 ms [2021-11-06 22:46:34,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:46:34,490 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 22:46:34,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1341 treesize of output 607 Killed by 15