./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 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_SFH_test2-1.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 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-06 02:06:51,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 02:06:51,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 02:06:51,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 02:06:51,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 02:06:51,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 02:06:51,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 02:06:51,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 02:06:51,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 02:06:51,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 02:06:51,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 02:06:51,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 02:06:51,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 02:06:51,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 02:06:51,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 02:06:51,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 02:06:51,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 02:06:51,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 02:06:51,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 02:06:51,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 02:06:51,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 02:06:51,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 02:06:51,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 02:06:51,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 02:06:51,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 02:06:51,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 02:06:51,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 02:06:51,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 02:06:51,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 02:06:51,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 02:06:51,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 02:06:51,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 02:06:51,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 02:06:51,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 02:06:51,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 02:06:51,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 02:06:51,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 02:06:51,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 02:06:51,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 02:06:51,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 02:06:51,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 02:06:51,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 02:06:51,238 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 02:06:51,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 02:06:51,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 02:06:51,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 02:06:51,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 02:06:51,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 02:06:51,239 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 02:06:51,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 02:06:51,240 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 02:06:51,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 02:06:51,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 02:06:51,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 02:06:51,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 02:06:51,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 02:06:51,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 02:06:51,241 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 02:06:51,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 02:06:51,242 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 02:06:51,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 02:06:51,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 02:06:51,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 02:06:51,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 02:06:51,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 02:06:51,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 02:06:51,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 02:06:51,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 02:06:51,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 02:06:51,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 02:06:51,243 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 02:06:51,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 02:06:51,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 02:06:51,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 02:06:51,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 [2021-11-06 02:06:51,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 02:06:51,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 02:06:51,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 02:06:51,534 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 02:06:51,534 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 02:06:51,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2021-11-06 02:06:51,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afd624adc/e79ee630388d4af4808d2a1ca34131bc/FLAGa86a62ccc [2021-11-06 02:06:51,955 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 02:06:51,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2021-11-06 02:06:51,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afd624adc/e79ee630388d4af4808d2a1ca34131bc/FLAGa86a62ccc [2021-11-06 02:06:52,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afd624adc/e79ee630388d4af4808d2a1ca34131bc [2021-11-06 02:06:52,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 02:06:52,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 02:06:52,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 02:06:52,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 02:06:52,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 02:06:52,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:06:52" (1/1) ... [2021-11-06 02:06:52,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121d02b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:06:52, skipping insertion in model container [2021-11-06 02:06:52,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:06:52" (1/1) ... [2021-11-06 02:06:52,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 02:06:52,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 02:06:52,614 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_SFH_test2-1.i[37019,37032] [2021-11-06 02:06:52,689 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_SFH_test2-1.i[47352,47365] [2021-11-06 02:06:52,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 02:06:52,700 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 02:06:52,729 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_SFH_test2-1.i[37019,37032] [2021-11-06 02:06:52,765 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_SFH_test2-1.i[47352,47365] [2021-11-06 02:06:52,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 02:06:52,820 INFO L208 MainTranslator]: Completed translation [2021-11-06 02:06:52,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:06:52 WrapperNode [2021-11-06 02:06:52,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 02:06:52,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 02:06:52,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 02:06:52,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 02:06:52,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:06:52" (1/1) ... [2021-11-06 02:06:52,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:06:52" (1/1) ... [2021-11-06 02:06:52,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 02:06:52,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 02:06:52,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 02:06:52,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 02:06:52,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:06:52" (1/1) ... [2021-11-06 02:06:52,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:06:52" (1/1) ... [2021-11-06 02:06:52,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:06:52" (1/1) ... [2021-11-06 02:06:52,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:06:52" (1/1) ... [2021-11-06 02:06:52,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:06:52" (1/1) ... [2021-11-06 02:06:52,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:06:52" (1/1) ... [2021-11-06 02:06:52,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:06:52" (1/1) ... [2021-11-06 02:06:52,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 02:06:52,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 02:06:52,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 02:06:52,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 02:06:52,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:06:52" (1/1) ... [2021-11-06 02:06:52,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 02:06:52,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:06:52,978 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 02:06:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 02:06:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 02:06:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 02:06:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 02:06:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 02:06:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 02:06:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 02:06:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 02:06:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 02:06:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 02:06:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 02:06:52,997 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 02:06:53,776 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 02:06:53,776 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-11-06 02:06:53,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:06:53 BoogieIcfgContainer [2021-11-06 02:06:53,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 02:06:53,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 02:06:53,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 02:06:53,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 02:06:53,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:06:52" (1/3) ... [2021-11-06 02:06:53,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a1392d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:06:53, skipping insertion in model container [2021-11-06 02:06:53,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:06:52" (2/3) ... [2021-11-06 02:06:53,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a1392d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:06:53, skipping insertion in model container [2021-11-06 02:06:53,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:06:53" (3/3) ... [2021-11-06 02:06:53,784 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test2-1.i [2021-11-06 02:06:53,788 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 02:06:53,788 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 02:06:53,826 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 02:06:53,830 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 02:06:53,831 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 02:06:53,841 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 0 states have call successors, (0), 0 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 02:06:53,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 02:06:53,845 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:06:53,845 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:06:53,845 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 02:06:53,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:06:53,849 INFO L85 PathProgramCache]: Analyzing trace with hash 239231399, now seen corresponding path program 1 times [2021-11-06 02:06:53,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:06:53,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775349050] [2021-11-06 02:06:53,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:53,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:06:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:06:53,984 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 02:06:53,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:06:53,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775349050] [2021-11-06 02:06:53,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775349050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:06:53,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:06:53,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 02:06:53,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872614180] [2021-11-06 02:06:53,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:06:53,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 02:06:53,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:06:54,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 02:06:54,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 02:06:54,013 INFO L87 Difference]: Start difference. First operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 0 states have call successors, (0), 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 02:06:54,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:06:54,053 INFO L93 Difference]: Finished difference Result 352 states and 584 transitions. [2021-11-06 02:06:54,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 02:06:54,055 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 02:06:54,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:06:54,061 INFO L225 Difference]: With dead ends: 352 [2021-11-06 02:06:54,061 INFO L226 Difference]: Without dead ends: 173 [2021-11-06 02:06:54,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 02:06:54,066 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.82ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-06 02:06:54,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 2.82ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-06 02:06:54,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-06 02:06:54,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-06 02:06:54,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 167 states have (on average 1.347305389221557) internal successors, (225), 172 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:06:54,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 225 transitions. [2021-11-06 02:06:54,099 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 225 transitions. Word has length 9 [2021-11-06 02:06:54,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:06:54,100 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 225 transitions. [2021-11-06 02:06:54,100 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 02:06:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2021-11-06 02:06:54,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 02:06:54,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:06:54,103 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 02:06:54,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 02:06:54,103 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 02:06:54,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:06:54,104 INFO L85 PathProgramCache]: Analyzing trace with hash 627334177, now seen corresponding path program 1 times [2021-11-06 02:06:54,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:06:54,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581729464] [2021-11-06 02:06:54,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:54,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:06:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:06:54,180 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 02:06:54,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:06:54,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581729464] [2021-11-06 02:06:54,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581729464] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:06:54,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:06:54,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 02:06:54,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640514012] [2021-11-06 02:06:54,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:06:54,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 02:06:54,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:06:54,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 02:06:54,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 02:06:54,185 INFO L87 Difference]: Start difference. First operand 173 states and 225 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 02:06:54,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:06:54,475 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2021-11-06 02:06:54,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 02:06:54,476 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 02:06:54,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:06:54,478 INFO L225 Difference]: With dead ends: 377 [2021-11-06 02:06:54,478 INFO L226 Difference]: Without dead ends: 294 [2021-11-06 02:06:54,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.98ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 02:06:54,479 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 153 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 213.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.84ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 263.35ms IncrementalHoareTripleChecker+Time [2021-11-06 02:06:54,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 534 Invalid, 142 Unknown, 0 Unchecked, 3.84ms Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 263.35ms Time] [2021-11-06 02:06:54,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-06 02:06:54,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 175. [2021-11-06 02:06:54,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 169 states have (on average 1.3431952662721893) internal successors, (227), 174 states have internal predecessors, (227), 0 states have call successors, (0), 0 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 02:06:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 227 transitions. [2021-11-06 02:06:54,489 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 227 transitions. Word has length 44 [2021-11-06 02:06:54,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:06:54,489 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 227 transitions. [2021-11-06 02:06:54,490 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 02:06:54,490 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 227 transitions. [2021-11-06 02:06:54,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:06:54,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:06:54,492 INFO L514 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 02:06:54,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 02:06:54,492 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 02:06:54,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:06:54,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1103505073, now seen corresponding path program 1 times [2021-11-06 02:06:54,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:06:54,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220707882] [2021-11-06 02:06:54,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:54,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:06:54,535 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:06:54,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1460195298] [2021-11-06 02:06:54,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:54,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:06:54,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:06:54,539 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 02:06:54,540 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 02:06:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:06:54,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 02:06:54,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:06:54,867 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 02:06:54,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:06:54,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:06:54,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220707882] [2021-11-06 02:06:54,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:06:54,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460195298] [2021-11-06 02:06:54,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460195298] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:06:54,871 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:06:54,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 02:06:54,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429671738] [2021-11-06 02:06:54,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:06:54,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 02:06:54,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:06:54,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 02:06:54,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:06:54,874 INFO L87 Difference]: Start difference. First operand 175 states and 227 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 02:06:54,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:06:54,928 INFO L93 Difference]: Finished difference Result 367 states and 481 transitions. [2021-11-06 02:06:54,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 02:06:54,929 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 02:06:54,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:06:54,933 INFO L225 Difference]: With dead ends: 367 [2021-11-06 02:06:54,933 INFO L226 Difference]: Without dead ends: 196 [2021-11-06 02:06:54,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.46ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:06:54,938 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.06ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.18ms IncrementalHoareTripleChecker+Time [2021-11-06 02:06:54,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 3.06ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 41.18ms Time] [2021-11-06 02:06:54,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-06 02:06:54,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2021-11-06 02:06:54,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 189 states have (on average 1.306878306878307) internal successors, (247), 194 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:06:54,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2021-11-06 02:06:54,947 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 96 [2021-11-06 02:06:54,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:06:54,947 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2021-11-06 02:06:54,948 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 02:06:54,948 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2021-11-06 02:06:54,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:06:54,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:06:54,950 INFO L514 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 02:06:54,967 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 02:06:55,163 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 02:06:55,164 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 02:06:55,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:06:55,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744819, now seen corresponding path program 1 times [2021-11-06 02:06:55,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:06:55,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129374181] [2021-11-06 02:06:55,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:55,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:06:55,188 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:06:55,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [873613659] [2021-11-06 02:06:55,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:55,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:06:55,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:06:55,199 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 02:06:55,199 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 02:06:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:06:55,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 02:06:55,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:06:55,426 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 02:06:55,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:06:55,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:06:55,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129374181] [2021-11-06 02:06:55,427 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:06:55,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873613659] [2021-11-06 02:06:55,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873613659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:06:55,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:06:55,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 02:06:55,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518087588] [2021-11-06 02:06:55,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:06:55,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 02:06:55,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:06:55,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 02:06:55,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:06:55,429 INFO L87 Difference]: Start difference. First operand 195 states and 247 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 02:06:55,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:06:55,472 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2021-11-06 02:06:55,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 02:06:55,473 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 02:06:55,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:06:55,474 INFO L225 Difference]: With dead ends: 298 [2021-11-06 02:06:55,474 INFO L226 Difference]: Without dead ends: 216 [2021-11-06 02:06:55,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.26ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:06:55,475 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.74ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.59ms IncrementalHoareTripleChecker+Time [2021-11-06 02:06:55,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 0.74ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 38.59ms Time] [2021-11-06 02:06:55,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-06 02:06:55,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2021-11-06 02:06:55,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 209 states have (on average 1.277511961722488) internal successors, (267), 214 states have internal predecessors, (267), 0 states have call successors, (0), 0 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 02:06:55,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 267 transitions. [2021-11-06 02:06:55,481 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 267 transitions. Word has length 96 [2021-11-06 02:06:55,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:06:55,482 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 267 transitions. [2021-11-06 02:06:55,482 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 02:06:55,482 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 267 transitions. [2021-11-06 02:06:55,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:06:55,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:06:55,483 INFO L514 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 02:06:55,501 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 02:06:55,700 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 02:06:55,700 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 02:06:55,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:06:55,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949871, now seen corresponding path program 1 times [2021-11-06 02:06:55,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:06:55,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878992237] [2021-11-06 02:06:55,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:55,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:06:55,711 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:06:55,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [317936693] [2021-11-06 02:06:55,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:55,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:06:55,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:06:55,713 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 02:06:55,714 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 02:06:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:06:55,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 02:06:55,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:06:55,962 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 02:06:55,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:06:55,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:06:55,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878992237] [2021-11-06 02:06:55,963 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:06:55,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317936693] [2021-11-06 02:06:55,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317936693] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:06:55,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:06:55,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 02:06:55,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382862457] [2021-11-06 02:06:55,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:06:55,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 02:06:55,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:06:55,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 02:06:55,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 02:06:55,965 INFO L87 Difference]: Start difference. First operand 215 states and 267 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 02:06:56,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:06:56,005 INFO L93 Difference]: Finished difference Result 418 states and 522 transitions. [2021-11-06 02:06:56,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 02:06:56,005 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 02:06:56,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:06:56,006 INFO L225 Difference]: With dead ends: 418 [2021-11-06 02:06:56,006 INFO L226 Difference]: Without dead ends: 207 [2021-11-06 02:06:56,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 02:06:56,007 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 213 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.17ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.53ms IncrementalHoareTripleChecker+Time [2021-11-06 02:06:56,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 406 Invalid, 66 Unknown, 0 Unchecked, 1.17ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 30.53ms Time] [2021-11-06 02:06:56,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-06 02:06:56,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 201. [2021-11-06 02:06:56,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 195 states have (on average 1.2615384615384615) internal successors, (246), 200 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:06:56,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2021-11-06 02:06:56,013 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 96 [2021-11-06 02:06:56,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:06:56,013 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2021-11-06 02:06:56,013 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 02:06:56,013 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2021-11-06 02:06:56,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:06:56,014 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:06:56,014 INFO L514 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 02:06:56,039 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 02:06:56,235 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 02:06:56,235 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 02:06:56,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:06:56,236 INFO L85 PathProgramCache]: Analyzing trace with hash 569918303, now seen corresponding path program 1 times [2021-11-06 02:06:56,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:06:56,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065001419] [2021-11-06 02:06:56,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:56,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:06:56,250 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:06:56,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1626792555] [2021-11-06 02:06:56,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:56,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:06:56,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:06:56,254 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 02:06:56,261 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 02:06:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:06:56,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 02:06:56,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:06:56,497 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 02:06:56,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:06:56,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:06:56,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065001419] [2021-11-06 02:06:56,498 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:06:56,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626792555] [2021-11-06 02:06:56,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626792555] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:06:56,499 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:06:56,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 02:06:56,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132352110] [2021-11-06 02:06:56,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:06:56,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 02:06:56,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:06:56,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 02:06:56,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 02:06:56,501 INFO L87 Difference]: Start difference. First operand 201 states and 246 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 02:06:56,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:06:56,551 INFO L93 Difference]: Finished difference Result 295 states and 364 transitions. [2021-11-06 02:06:56,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 02:06:56,551 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 02:06:56,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:06:56,552 INFO L225 Difference]: With dead ends: 295 [2021-11-06 02:06:56,552 INFO L226 Difference]: Without dead ends: 193 [2021-11-06 02:06:56,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.81ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 02:06:56,553 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 96 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.02ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.36ms IncrementalHoareTripleChecker+Time [2021-11-06 02:06:56,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 496 Invalid, 66 Unknown, 0 Unchecked, 1.02ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 37.36ms Time] [2021-11-06 02:06:56,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-06 02:06:56,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2021-11-06 02:06:56,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 181 states have (on average 1.2430939226519337) internal successors, (225), 186 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 02:06:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-06 02:06:56,558 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 96 [2021-11-06 02:06:56,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:06:56,558 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-06 02:06:56,558 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 02:06:56,559 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-06 02:06:56,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 02:06:56,559 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:06:56,560 INFO L514 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 02:06:56,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 02:06:56,775 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 02:06:56,776 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 02:06:56,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:06:56,776 INFO L85 PathProgramCache]: Analyzing trace with hash -312930543, now seen corresponding path program 1 times [2021-11-06 02:06:56,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:06:56,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889396288] [2021-11-06 02:06:56,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:56,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:06:56,788 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:06:56,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1908390734] [2021-11-06 02:06:56,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:56,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:06:56,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:06:56,790 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 02:06:56,791 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 02:06:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:06:56,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 02:06:56,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:06:57,130 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 02:06:57,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:06:57,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:06:57,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889396288] [2021-11-06 02:06:57,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:06:57,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908390734] [2021-11-06 02:06:57,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908390734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:06:57,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:06:57,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 02:06:57,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630464893] [2021-11-06 02:06:57,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:06:57,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 02:06:57,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:06:57,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 02:06:57,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:06:57,133 INFO L87 Difference]: Start difference. First operand 187 states and 225 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 02:06:57,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:06:57,173 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2021-11-06 02:06:57,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 02:06:57,173 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 02:06:57,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:06:57,174 INFO L225 Difference]: With dead ends: 486 [2021-11-06 02:06:57,174 INFO L226 Difference]: Without dead ends: 303 [2021-11-06 02:06:57,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.32ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 02:06:57,175 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 94 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.72ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.01ms IncrementalHoareTripleChecker+Time [2021-11-06 02:06:57,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 441 Invalid, 14 Unknown, 0 Unchecked, 0.72ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 34.01ms Time] [2021-11-06 02:06:57,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-06 02:06:57,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2021-11-06 02:06:57,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 285 states have (on average 1.2280701754385965) internal successors, (350), 290 states have internal predecessors, (350), 0 states have call successors, (0), 0 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 02:06:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-11-06 02:06:57,180 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 96 [2021-11-06 02:06:57,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:06:57,180 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-11-06 02:06:57,181 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 02:06:57,181 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-11-06 02:06:57,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 02:06:57,181 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:06:57,181 INFO L514 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 02:06:57,200 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 02:06:57,395 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 02:06:57,395 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 02:06:57,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:06:57,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926304, now seen corresponding path program 1 times [2021-11-06 02:06:57,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:06:57,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801623248] [2021-11-06 02:06:57,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:57,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:06:57,407 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:06:57,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1580436262] [2021-11-06 02:06:57,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:57,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:06:57,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:06:57,409 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 02:06:57,410 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 02:06:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:06:57,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 02:06:57,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:06:57,707 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 02:06:57,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 02:06:57,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 02:06:57,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801623248] [2021-11-06 02:06:57,707 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 02:06:57,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580436262] [2021-11-06 02:06:57,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580436262] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 02:06:57,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 02:06:57,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 02:06:57,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269916692] [2021-11-06 02:06:57,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 02:06:57,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 02:06:57,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 02:06:57,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 02:06:57,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 02:06:57,709 INFO L87 Difference]: Start difference. First operand 291 states and 350 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 02:06:57,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 02:06:57,824 INFO L93 Difference]: Finished difference Result 474 states and 571 transitions. [2021-11-06 02:06:57,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 02:06:57,824 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 02:06:57,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 02:06:57,825 INFO L225 Difference]: With dead ends: 474 [2021-11-06 02:06:57,826 INFO L226 Difference]: Without dead ends: 231 [2021-11-06 02:06:57,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.25ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 02:06:57,826 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 310 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.14ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103.76ms IncrementalHoareTripleChecker+Time [2021-11-06 02:06:57,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [310 Valid, 266 Invalid, 49 Unknown, 0 Unchecked, 1.14ms Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 103.76ms Time] [2021-11-06 02:06:57,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-06 02:06:57,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2021-11-06 02:06:57,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 225 states have (on average 1.208888888888889) internal successors, (272), 230 states have internal predecessors, (272), 0 states have call successors, (0), 0 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 02:06:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 272 transitions. [2021-11-06 02:06:57,831 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 272 transitions. Word has length 103 [2021-11-06 02:06:57,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 02:06:57,832 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 272 transitions. [2021-11-06 02:06:57,832 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 02:06:57,832 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 272 transitions. [2021-11-06 02:06:57,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 02:06:57,833 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 02:06:57,833 INFO L514 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 02:06:57,851 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 02:06:58,047 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 02:06:58,048 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 02:06:58,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 02:06:58,048 INFO L85 PathProgramCache]: Analyzing trace with hash 541560378, now seen corresponding path program 1 times [2021-11-06 02:06:58,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 02:06:58,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153090565] [2021-11-06 02:06:58,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:58,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 02:06:58,057 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 02:06:58,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234008291] [2021-11-06 02:06:58,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 02:06:58,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 02:06:58,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 02:06:58,058 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 02:06:58,059 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 02:06:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 02:06:58,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 02:06:58,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 02:06:58,214 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 02:06:58,218 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 02:06:58,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,240 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 02:06:58,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,284 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 02:06:58,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,944 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 02:06:58,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,949 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 02:06:58,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:58,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,010 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 02:06:59,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,031 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 02:06:59,070 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 02:06:59,075 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 02:06:59,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,086 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 02:06:59,086 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 02:06:59,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:06:59,102 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 02:07:00,369 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 02:07:00,370 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 02:07:00,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:01,418 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 02:07:01,418 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 02:07:01,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:01,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:01,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:01,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:01,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:01,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:01,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:05,802 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-06 02:07:05,802 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 02:07:06,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:06,253 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 02:07:06,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:06,360 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 02:07:08,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:07:08,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:07:08,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:07:08,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:08,947 INFO L244 Elim1Store]: Index analysis took 199 ms [2021-11-06 02:07:08,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 955 treesize of output 443 [2021-11-06 02:07:09,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:07:09,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:09,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:09,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:07:09,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 02:07:09,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:42,368 WARN L230 SmtUtils]: Spent 8.54m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-06 02:15:42,370 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-06 02:15:42,372 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 1851380 treesize of output 765901 [2021-11-06 02:15:46,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,749 INFO L244 Elim1Store]: Index analysis took 279 ms [2021-11-06 02:15:46,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:46,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:47,017 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 02:15:47,017 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 02:15:49,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:49,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:50,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:50,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:51,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:51,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:52,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:52,245 INFO L244 Elim1Store]: Index analysis took 3345 ms [2021-11-06 02:15:52,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:52,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:53,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:53,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:53,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:53,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:53,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:54,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:54,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:54,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:54,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:54,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:55,006 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 02:15:55,007 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 1023 treesize of output 442 [2021-11-06 02:15:55,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:55,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:56,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:56,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:56,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:56,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:56,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:56,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:56,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:56,980 INFO L244 Elim1Store]: Index analysis took 1647 ms [2021-11-06 02:15:57,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:57,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:57,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:57,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:58,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:58,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:58,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:58,574 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 02:15:58,574 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 758 treesize of output 356 [2021-11-06 02:15:58,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:59,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:59,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:59,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:59,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:59,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:59,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:15:59,873 INFO L244 Elim1Store]: Index analysis took 1075 ms [2021-11-06 02:15:59,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:16:00,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:16:00,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:16:00,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:16:00,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:16:00,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:16:00,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:16:00,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:16:00,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:16:00,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:16:00,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:16:01,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 02:16:01,164 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 02:16:01,165 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