./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 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_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-dev-173e394 [2021-11-07 00:21:01,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:21:01,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:21:01,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:21:01,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:21:01,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:21:01,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:21:01,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:21:01,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:21:01,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:21:01,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:21:01,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:21:01,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:21:01,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:21:01,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:21:01,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:21:01,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:21:01,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:21:01,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:21:01,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:21:01,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:21:01,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:21:01,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:21:01,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:21:01,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:21:01,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:21:01,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:21:01,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:21:01,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:21:01,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:21:01,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:21:01,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:21:01,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:21:01,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:21:01,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:21:01,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:21:01,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:21:01,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:21:01,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:21:01,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:21:01,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:21:01,642 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 00:21:01,660 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:21:01,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:21:01,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 00:21:01,662 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 00:21:01,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 00:21:01,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 00:21:01,663 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 00:21:01,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:21:01,663 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:21:01,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:21:01,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:21:01,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:21:01,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:21:01,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:21:01,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:21:01,665 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:21:01,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:21:01,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:21:01,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:21:01,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:21:01,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:21:01,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:21:01,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:21:01,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:21:01,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:21:01,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:21:01,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 00:21:01,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:21:01,667 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 00:21:01,667 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 00:21:01,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:21:01,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:21:01,668 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 [2021-11-07 00:21:01,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:21:01,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:21:01,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:21:01,900 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:21:01,900 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:21:01,901 INFO L432 ainManager$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 [2021-11-07 00:21:01,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34a007ad0/d2a768f1b6ca4622bcfb0f96a02b72b8/FLAG4c5d9781f [2021-11-07 00:21:02,413 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:21:02,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2021-11-07 00:21:02,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34a007ad0/d2a768f1b6ca4622bcfb0f96a02b72b8/FLAG4c5d9781f [2021-11-07 00:21:02,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34a007ad0/d2a768f1b6ca4622bcfb0f96a02b72b8 [2021-11-07 00:21:02,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:21:02,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:21:02,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:21:02,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:21:02,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:21:02,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:21:02" (1/1) ... [2021-11-07 00:21:02,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a2e115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:02, skipping insertion in model container [2021-11-07 00:21:02,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:21:02" (1/1) ... [2021-11-07 00:21:02,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:21:02,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:21:02,836 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] [2021-11-07 00:21:02,920 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] [2021-11-07 00:21:02,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:21:02,930 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:21:02,948 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] [2021-11-07 00:21:02,985 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] [2021-11-07 00:21:02,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:21:03,023 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:21:03,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:03 WrapperNode [2021-11-07 00:21:03,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:21:03,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:21:03,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:21:03,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:21:03,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:03" (1/1) ... [2021-11-07 00:21:03,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:03" (1/1) ... [2021-11-07 00:21:03,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:21:03,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:21:03,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:21:03,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:21:03,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:03" (1/1) ... [2021-11-07 00:21:03,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:03" (1/1) ... [2021-11-07 00:21:03,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:03" (1/1) ... [2021-11-07 00:21:03,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:03" (1/1) ... [2021-11-07 00:21:03,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:03" (1/1) ... [2021-11-07 00:21:03,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:03" (1/1) ... [2021-11-07 00:21:03,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:03" (1/1) ... [2021-11-07 00:21:03,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:21:03,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:21:03,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:21:03,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:21:03,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:03" (1/1) ... [2021-11-07 00:21:03,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:21:03,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:21:03,217 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) [2021-11-07 00:21:03,280 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 [2021-11-07 00:21:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:21:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 00:21:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 00:21:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:21:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 00:21:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 00:21:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 00:21:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 00:21:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:21:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:21:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:21:04,063 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:21:04,063 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-11-07 00:21:04,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:21:04 BoogieIcfgContainer [2021-11-07 00:21:04,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:21:04,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:21:04,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:21:04,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:21:04,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:21:02" (1/3) ... [2021-11-07 00:21:04,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c5a39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:21:04, skipping insertion in model container [2021-11-07 00:21:04,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:21:03" (2/3) ... [2021-11-07 00:21:04,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c5a39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:21:04, skipping insertion in model container [2021-11-07 00:21:04,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:21:04" (3/3) ... [2021-11-07 00:21:04,071 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test2-1.i [2021-11-07 00:21:04,074 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:21:04,075 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 00:21:04,107 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:21:04,111 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 [2021-11-07 00:21:04,111 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 00:21:04,124 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) [2021-11-07 00:21:04,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 00:21:04,128 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:21:04,128 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:21:04,129 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)] === [2021-11-07 00:21:04,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:21:04,133 INFO L85 PathProgramCache]: Analyzing trace with hash 239231399, now seen corresponding path program 1 times [2021-11-07 00:21:04,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:21:04,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550262747] [2021-11-07 00:21:04,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:04,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:21:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:21:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:21:04,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:21:04,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550262747] [2021-11-07 00:21:04,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550262747] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:21:04,246 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:21:04,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 00:21:04,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999851865] [2021-11-07 00:21:04,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:21:04,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:21:04,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:21:04,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:21:04,265 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) [2021-11-07 00:21:04,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:21:04,305 INFO L93 Difference]: Finished difference Result 352 states and 584 transitions. [2021-11-07 00:21:04,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:21:04,306 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 [2021-11-07 00:21:04,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:21:04,316 INFO L225 Difference]: With dead ends: 352 [2021-11-07 00:21:04,316 INFO L226 Difference]: Without dead ends: 173 [2021-11-07 00:21:04,319 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:21:04,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-07 00:21:04,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-07 00:21:04,358 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) [2021-11-07 00:21:04,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 225 transitions. [2021-11-07 00:21:04,360 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 225 transitions. Word has length 9 [2021-11-07 00:21:04,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:21:04,361 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 225 transitions. [2021-11-07 00:21:04,361 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) [2021-11-07 00:21:04,361 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2021-11-07 00:21:04,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 00:21:04,363 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:21:04,363 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:21:04,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 00:21:04,364 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)] === [2021-11-07 00:21:04,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:21:04,366 INFO L85 PathProgramCache]: Analyzing trace with hash 627334177, now seen corresponding path program 1 times [2021-11-07 00:21:04,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:21:04,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842909105] [2021-11-07 00:21:04,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:04,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:21:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:21:04,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:21:04,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:21:04,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842909105] [2021-11-07 00:21:04,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842909105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:21:04,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:21:04,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:21:04,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152337570] [2021-11-07 00:21:04,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:21:04,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:21:04,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:21:04,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:21:04,466 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) [2021-11-07 00:21:04,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:21:04,746 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2021-11-07 00:21:04,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:21:04,747 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 [2021-11-07 00:21:04,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:21:04,748 INFO L225 Difference]: With dead ends: 377 [2021-11-07 00:21:04,748 INFO L226 Difference]: Without dead ends: 294 [2021-11-07 00:21:04,749 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:21:04,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-07 00:21:04,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 175. [2021-11-07 00:21:04,757 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) [2021-11-07 00:21:04,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 227 transitions. [2021-11-07 00:21:04,758 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 227 transitions. Word has length 44 [2021-11-07 00:21:04,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:21:04,758 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 227 transitions. [2021-11-07 00:21:04,759 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) [2021-11-07 00:21:04,759 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 227 transitions. [2021-11-07 00:21:04,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:21:04,761 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:21:04,761 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:21:04,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 00:21:04,762 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)] === [2021-11-07 00:21:04,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:21:04,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1103505073, now seen corresponding path program 1 times [2021-11-07 00:21:04,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:21:04,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391896804] [2021-11-07 00:21:04,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:04,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:21:04,780 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:21:04,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2143578731] [2021-11-07 00:21:04,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:04,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:21:04,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:21:04,782 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) [2021-11-07 00:21:04,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 00:21:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:21:04,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:21:04,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:21:05,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:21:05,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:21:05,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391896804] [2021-11-07 00:21:05,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:21:05,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143578731] [2021-11-07 00:21:05,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143578731] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:21:05,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:21:05,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:21:05,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157575681] [2021-11-07 00:21:05,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:21:05,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:21:05,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:21:05,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:21:05,162 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) [2021-11-07 00:21:05,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:21:05,226 INFO L93 Difference]: Finished difference Result 367 states and 481 transitions. [2021-11-07 00:21:05,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:21:05,226 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 [2021-11-07 00:21:05,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:21:05,227 INFO L225 Difference]: With dead ends: 367 [2021-11-07 00:21:05,228 INFO L226 Difference]: Without dead ends: 196 [2021-11-07 00:21:05,228 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:21:05,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-07 00:21:05,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2021-11-07 00:21:05,234 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) [2021-11-07 00:21:05,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2021-11-07 00:21:05,235 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 96 [2021-11-07 00:21:05,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:21:05,235 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2021-11-07 00:21:05,236 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) [2021-11-07 00:21:05,236 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2021-11-07 00:21:05,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:21:05,238 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:21:05,238 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:21:05,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 00:21:05,458 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 [2021-11-07 00:21:05,459 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)] === [2021-11-07 00:21:05,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:21:05,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744819, now seen corresponding path program 1 times [2021-11-07 00:21:05,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:21:05,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95841243] [2021-11-07 00:21:05,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:05,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:21:05,482 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:21:05,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2083945775] [2021-11-07 00:21:05,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:05,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:21:05,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:21:05,486 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) [2021-11-07 00:21:05,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 00:21:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:21:05,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:21:05,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:21:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 00:21:05,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:21:05,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95841243] [2021-11-07 00:21:05,847 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:21:05,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083945775] [2021-11-07 00:21:05,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083945775] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:21:05,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:21:05,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:21:05,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637755757] [2021-11-07 00:21:05,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:21:05,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:21:05,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:21:05,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:21:05,850 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) [2021-11-07 00:21:05,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:21:05,908 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2021-11-07 00:21:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:21:05,910 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 [2021-11-07 00:21:05,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:21:05,911 INFO L225 Difference]: With dead ends: 298 [2021-11-07 00:21:05,911 INFO L226 Difference]: Without dead ends: 216 [2021-11-07 00:21:05,912 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:21:05,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-07 00:21:05,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2021-11-07 00:21:05,921 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) [2021-11-07 00:21:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 267 transitions. [2021-11-07 00:21:05,922 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 267 transitions. Word has length 96 [2021-11-07 00:21:05,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:21:05,924 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 267 transitions. [2021-11-07 00:21:05,924 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) [2021-11-07 00:21:05,924 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 267 transitions. [2021-11-07 00:21:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:21:05,928 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:21:05,928 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:21:05,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-07 00:21:06,146 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 [2021-11-07 00:21:06,147 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)] === [2021-11-07 00:21:06,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:21:06,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949871, now seen corresponding path program 1 times [2021-11-07 00:21:06,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:21:06,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558077795] [2021-11-07 00:21:06,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:06,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:21:06,171 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:21:06,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1830909853] [2021-11-07 00:21:06,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:06,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:21:06,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:21:06,192 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) [2021-11-07 00:21:06,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 00:21:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:21:06,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:21:06,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:21:06,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:21:06,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:21:06,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558077795] [2021-11-07 00:21:06,537 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:21:06,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830909853] [2021-11-07 00:21:06,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830909853] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:21:06,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:21:06,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:21:06,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43655735] [2021-11-07 00:21:06,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:21:06,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:21:06,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:21:06,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:21:06,539 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) [2021-11-07 00:21:06,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:21:06,584 INFO L93 Difference]: Finished difference Result 418 states and 522 transitions. [2021-11-07 00:21:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:21:06,586 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 [2021-11-07 00:21:06,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:21:06,587 INFO L225 Difference]: With dead ends: 418 [2021-11-07 00:21:06,587 INFO L226 Difference]: Without dead ends: 207 [2021-11-07 00:21:06,587 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:21:06,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-07 00:21:06,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 201. [2021-11-07 00:21:06,590 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) [2021-11-07 00:21:06,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2021-11-07 00:21:06,591 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 96 [2021-11-07 00:21:06,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:21:06,591 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2021-11-07 00:21:06,591 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) [2021-11-07 00:21:06,591 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2021-11-07 00:21:06,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:21:06,592 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:21:06,592 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:21:06,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:21:06,810 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 [2021-11-07 00:21:06,810 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)] === [2021-11-07 00:21:06,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:21:06,811 INFO L85 PathProgramCache]: Analyzing trace with hash 569918303, now seen corresponding path program 1 times [2021-11-07 00:21:06,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:21:06,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279127960] [2021-11-07 00:21:06,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:06,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:21:06,821 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:21:06,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2090476835] [2021-11-07 00:21:06,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:06,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:21:06,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:21:06,823 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) [2021-11-07 00:21:06,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 00:21:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:21:07,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:21:07,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:21:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 00:21:07,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:21:07,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279127960] [2021-11-07 00:21:07,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:21:07,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090476835] [2021-11-07 00:21:07,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090476835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:21:07,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:21:07,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:21:07,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337910069] [2021-11-07 00:21:07,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:21:07,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:21:07,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:21:07,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:21:07,215 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) [2021-11-07 00:21:07,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:21:07,264 INFO L93 Difference]: Finished difference Result 295 states and 364 transitions. [2021-11-07 00:21:07,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:21:07,264 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 [2021-11-07 00:21:07,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:21:07,269 INFO L225 Difference]: With dead ends: 295 [2021-11-07 00:21:07,269 INFO L226 Difference]: Without dead ends: 193 [2021-11-07 00:21:07,269 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:21:07,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-07 00:21:07,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2021-11-07 00:21:07,275 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) [2021-11-07 00:21:07,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-07 00:21:07,276 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 96 [2021-11-07 00:21:07,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:21:07,277 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-07 00:21:07,277 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) [2021-11-07 00:21:07,277 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-07 00:21:07,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:21:07,278 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:21:07,278 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:21:07,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-07 00:21:07,499 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 [2021-11-07 00:21:07,499 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)] === [2021-11-07 00:21:07,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:21:07,500 INFO L85 PathProgramCache]: Analyzing trace with hash -312930543, now seen corresponding path program 1 times [2021-11-07 00:21:07,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:21:07,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677269383] [2021-11-07 00:21:07,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:07,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:21:07,527 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:21:07,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [206312375] [2021-11-07 00:21:07,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:07,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:21:07,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:21:07,534 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) [2021-11-07 00:21:07,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 00:21:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:21:07,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:21:07,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:21:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:21:08,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:21:08,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677269383] [2021-11-07 00:21:08,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:21:08,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206312375] [2021-11-07 00:21:08,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206312375] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:21:08,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:21:08,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:21:08,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460920444] [2021-11-07 00:21:08,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:21:08,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:21:08,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:21:08,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:21:08,060 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) [2021-11-07 00:21:08,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:21:08,113 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2021-11-07 00:21:08,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:21:08,113 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 [2021-11-07 00:21:08,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:21:08,115 INFO L225 Difference]: With dead ends: 486 [2021-11-07 00:21:08,115 INFO L226 Difference]: Without dead ends: 303 [2021-11-07 00:21:08,115 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:21:08,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-07 00:21:08,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2021-11-07 00:21:08,121 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) [2021-11-07 00:21:08,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-11-07 00:21:08,122 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 96 [2021-11-07 00:21:08,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:21:08,122 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-11-07 00:21:08,124 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) [2021-11-07 00:21:08,124 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-11-07 00:21:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 00:21:08,124 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:21:08,125 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:21:08,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:21:08,331 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 [2021-11-07 00:21:08,332 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)] === [2021-11-07 00:21:08,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:21:08,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926304, now seen corresponding path program 1 times [2021-11-07 00:21:08,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:21:08,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434520979] [2021-11-07 00:21:08,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:08,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:21:08,346 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:21:08,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [536940855] [2021-11-07 00:21:08,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:08,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:21:08,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:21:08,372 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) [2021-11-07 00:21:08,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 00:21:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:21:08,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:21:08,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:21:08,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:21:08,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:21:08,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434520979] [2021-11-07 00:21:08,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:21:08,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536940855] [2021-11-07 00:21:08,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536940855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:21:08,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:21:08,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:21:08,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925735291] [2021-11-07 00:21:08,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:21:08,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:21:08,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:21:08,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:21:08,884 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) [2021-11-07 00:21:09,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:21:09,022 INFO L93 Difference]: Finished difference Result 474 states and 571 transitions. [2021-11-07 00:21:09,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:21:09,029 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 [2021-11-07 00:21:09,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:21:09,031 INFO L225 Difference]: With dead ends: 474 [2021-11-07 00:21:09,031 INFO L226 Difference]: Without dead ends: 231 [2021-11-07 00:21:09,032 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:21:09,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-07 00:21:09,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2021-11-07 00:21:09,036 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) [2021-11-07 00:21:09,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 272 transitions. [2021-11-07 00:21:09,036 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 272 transitions. Word has length 103 [2021-11-07 00:21:09,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:21:09,037 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 272 transitions. [2021-11-07 00:21:09,037 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) [2021-11-07 00:21:09,037 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 272 transitions. [2021-11-07 00:21:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 00:21:09,038 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:21:09,038 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:21:09,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 00:21:09,251 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 [2021-11-07 00:21:09,252 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)] === [2021-11-07 00:21:09,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:21:09,267 INFO L85 PathProgramCache]: Analyzing trace with hash 541560378, now seen corresponding path program 1 times [2021-11-07 00:21:09,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:21:09,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152893710] [2021-11-07 00:21:09,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:09,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:21:09,283 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:21:09,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [45988217] [2021-11-07 00:21:09,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:21:09,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:21:09,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:21:09,304 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) [2021-11-07 00:21:09,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 00:21:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:21:09,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 00:21:09,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:21:09,623 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 [2021-11-07 00:21:09,628 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 [2021-11-07 00:21:09,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:09,660 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 [2021-11-07 00:21:09,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:09,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:09,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:09,717 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 [2021-11-07 00:21:10,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,602 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 [2021-11-07 00:21:10,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,609 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 [2021-11-07 00:21:10,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,685 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 [2021-11-07 00:21:10,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,700 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 [2021-11-07 00:21:10,740 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 [2021-11-07 00:21:10,746 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 [2021-11-07 00:21:10,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,759 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 00:21:10,759 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 [2021-11-07 00:21:10,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:10,779 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 [2021-11-07 00:21:12,050 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 00:21:12,051 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 [2021-11-07 00:21:12,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:13,153 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 00:21:13,153 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 [2021-11-07 00:21:13,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:13,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:13,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:13,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:13,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:13,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:13,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:18,084 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-07 00:21:18,084 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 [2021-11-07 00:21:18,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:18,609 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 [2021-11-07 00:21:18,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:18,728 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 [2021-11-07 00:21:21,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:21:21,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:21:21,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:21:21,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:21,435 INFO L244 Elim1Store]: Index analysis took 197 ms [2021-11-07 00:21:21,437 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 [2021-11-07 00:21:22,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:21:22,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:22,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:21:22,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:21:22,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:46,401 WARN L207 SmtUtils]: Spent 9.40 m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-07 00:30:46,403 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-07 00:30:46,413 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 [2021-11-07 00:30:50,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:50,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:50,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:50,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:50,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:50,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:50,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:50,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:50,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:50,909 INFO L244 Elim1Store]: Index analysis took 270 ms [2021-11-07 00:30:50,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:50,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:51,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:51,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:51,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:51,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:51,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:51,174 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:30:51,174 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 [2021-11-07 00:30:53,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:53,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:54,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:54,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:54,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:55,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:55,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:55,701 INFO L244 Elim1Store]: Index analysis took 2713 ms [2021-11-07 00:30:55,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:56,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:56,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:56,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:56,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:56,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:57,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:57,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:57,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:57,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:57,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:58,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:58,104 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:30:58,105 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 [2021-11-07 00:30:58,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:58,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:59,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:59,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:59,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:59,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:59,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:59,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:59,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:30:59,954 INFO L244 Elim1Store]: Index analysis took 1534 ms [2021-11-07 00:31:00,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:00,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:00,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:01,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:01,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:01,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:01,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:01,850 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:31:01,851 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 [2021-11-07 00:31:02,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:02,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:02,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:02,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:02,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:03,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:03,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:03,380 INFO L244 Elim1Store]: Index analysis took 1275 ms [2021-11-07 00:31:03,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:03,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:03,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:03,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:04,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:04,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:04,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:04,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:04,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:31:04,879 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:31:04,880 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