./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.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 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-06 01:36:46,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 01:36:46,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 01:36:46,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 01:36:46,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 01:36:46,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 01:36:46,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 01:36:46,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 01:36:46,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 01:36:46,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 01:36:46,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 01:36:46,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 01:36:46,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 01:36:46,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 01:36:46,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 01:36:46,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 01:36:46,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 01:36:46,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 01:36:46,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 01:36:46,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 01:36:46,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 01:36:46,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 01:36:46,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 01:36:46,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 01:36:46,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 01:36:46,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 01:36:46,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 01:36:46,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 01:36:46,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 01:36:46,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 01:36:46,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 01:36:46,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 01:36:46,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 01:36:46,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 01:36:46,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 01:36:46,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 01:36:46,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 01:36:46,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 01:36:46,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 01:36:46,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 01:36:46,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 01:36:46,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 01:36:46,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 01:36:46,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 01:36:46,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 01:36:46,649 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 01:36:46,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 01:36:46,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 01:36:46,650 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 01:36:46,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 01:36:46,650 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 01:36:46,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 01:36:46,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 01:36:46,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 01:36:46,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 01:36:46,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 01:36:46,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 01:36:46,651 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 01:36:46,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 01:36:46,651 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 01:36:46,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 01:36:46,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 01:36:46,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 01:36:46,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 01:36:46,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 01:36:46,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 01:36:46,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 01:36:46,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 01:36:46,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 01:36:46,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 01:36:46,653 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 01:36:46,653 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 01:36:46,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 01:36:46,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 01:36:46,654 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd [2021-11-06 01:36:46,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 01:36:46,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 01:36:46,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 01:36:46,978 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 01:36:46,978 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 01:36:46,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2021-11-06 01:36:47,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c88c54f95/2edfc5dc43e145e8aafe8b2eed99a35a/FLAG1cd8f7d95 [2021-11-06 01:36:47,550 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 01:36:47,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2021-11-06 01:36:47,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c88c54f95/2edfc5dc43e145e8aafe8b2eed99a35a/FLAG1cd8f7d95 [2021-11-06 01:36:48,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c88c54f95/2edfc5dc43e145e8aafe8b2eed99a35a [2021-11-06 01:36:48,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 01:36:48,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 01:36:48,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 01:36:48,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 01:36:48,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 01:36:48,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 01:36:48" (1/1) ... [2021-11-06 01:36:48,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d06daa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:36:48, skipping insertion in model container [2021-11-06 01:36:48,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 01:36:48" (1/1) ... [2021-11-06 01:36:48,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 01:36:48,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 01:36:48,383 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_OAT_test9-2.i[33021,33034] [2021-11-06 01:36:48,605 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_OAT_test9-2.i[84583,84596] [2021-11-06 01:36:48,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 01:36:48,629 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 01:36:48,666 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_OAT_test9-2.i[33021,33034] [2021-11-06 01:36:48,725 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_OAT_test9-2.i[84583,84596] [2021-11-06 01:36:48,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 01:36:48,752 INFO L208 MainTranslator]: Completed translation [2021-11-06 01:36:48,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:36:48 WrapperNode [2021-11-06 01:36:48,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 01:36:48,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 01:36:48,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 01:36:48,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 01:36:48,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:36:48" (1/1) ... [2021-11-06 01:36:48,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:36:48" (1/1) ... [2021-11-06 01:36:48,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 01:36:48,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 01:36:48,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 01:36:48,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 01:36:48,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:36:48" (1/1) ... [2021-11-06 01:36:48,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:36:48" (1/1) ... [2021-11-06 01:36:48,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:36:48" (1/1) ... [2021-11-06 01:36:48,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:36:48" (1/1) ... [2021-11-06 01:36:49,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:36:48" (1/1) ... [2021-11-06 01:36:49,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:36:48" (1/1) ... [2021-11-06 01:36:49,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:36:48" (1/1) ... [2021-11-06 01:36:49,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 01:36:49,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 01:36:49,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 01:36:49,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 01:36:49,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:36:48" (1/1) ... [2021-11-06 01:36:49,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 01:36:49,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:36:49,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 01:36:49,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 01:36:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 01:36:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 01:36:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 01:36:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 01:36:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 01:36:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 01:36:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 01:36:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 01:36:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 01:36:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 01:36:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 01:36:51,441 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 01:36:51,442 INFO L299 CfgBuilder]: Removed 1075 assume(true) statements. [2021-11-06 01:36:51,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 01:36:51 BoogieIcfgContainer [2021-11-06 01:36:51,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 01:36:51,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 01:36:51,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 01:36:51,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 01:36:51,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 01:36:48" (1/3) ... [2021-11-06 01:36:51,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff6ab08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 01:36:51, skipping insertion in model container [2021-11-06 01:36:51,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:36:48" (2/3) ... [2021-11-06 01:36:51,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff6ab08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 01:36:51, skipping insertion in model container [2021-11-06 01:36:51,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 01:36:51" (3/3) ... [2021-11-06 01:36:51,476 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test9-2.i [2021-11-06 01:36:51,480 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 01:36:51,480 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-06 01:36:51,518 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 01:36:51,523 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 01:36:51,523 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-06 01:36:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 2186 states, 1684 states have (on average 1.9667458432304037) internal successors, (3312), 2185 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:51,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 01:36:51,562 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:36:51,562 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:36:51,562 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 01:36:51,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:36:51,566 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-06 01:36:51,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:36:51,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900831249] [2021-11-06 01:36:51,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:51,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:36:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:36:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 01:36:51,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:36:51,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900831249] [2021-11-06 01:36:51,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900831249] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:36:51,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:36:51,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 01:36:51,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485736660] [2021-11-06 01:36:51,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:36:51,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 01:36:51,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:36:51,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 01:36:51,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 01:36:51,695 INFO L87 Difference]: Start difference. First operand has 2186 states, 1684 states have (on average 1.9667458432304037) internal successors, (3312), 2185 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:51,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:36:51,760 INFO L93 Difference]: Finished difference Result 4370 states and 6622 transitions. [2021-11-06 01:36:51,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 01:36:51,762 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-06 01:36:51,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:36:51,779 INFO L225 Difference]: With dead ends: 4370 [2021-11-06 01:36:51,779 INFO L226 Difference]: Without dead ends: 2153 [2021-11-06 01:36:51,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 01:36:51,788 INFO L933 BasicCegarLoop]: 2744 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2744 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-06 01:36:51,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2744 Invalid, 0 Unknown, 0 Unchecked, 6.91ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-06 01:36:51,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-06 01:36:51,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-06 01:36:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 1652 states have (on average 1.6343825665859564) internal successors, (2700), 2152 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:51,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-06 01:36:51,867 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-06 01:36:51,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:36:51,868 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-06 01:36:51,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-06 01:36:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 01:36:51,869 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:36:51,869 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:36:51,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 01:36:51,870 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 01:36:51,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:36:51,871 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-06 01:36:51,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:36:51,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474592324] [2021-11-06 01:36:51,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:51,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:36:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:36:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 01:36:51,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:36:51,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474592324] [2021-11-06 01:36:51,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474592324] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:36:51,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:36:51,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 01:36:51,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745197882] [2021-11-06 01:36:51,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:36:51,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 01:36:51,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:36:51,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 01:36:51,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 01:36:51,960 INFO L87 Difference]: Start difference. First operand 2153 states and 2700 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:52,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:36:52,269 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-06 01:36:52,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 01:36:52,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-06 01:36:52,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:36:52,282 INFO L225 Difference]: With dead ends: 6317 [2021-11-06 01:36:52,282 INFO L226 Difference]: Without dead ends: 4254 [2021-11-06 01:36:52,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.25ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 01:36:52,289 INFO L933 BasicCegarLoop]: 2664 mSDtfsCounter, 2628 mSDsluCounter, 5295 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 154.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2628 SdHoareTripleChecker+Valid, 7959 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.90ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 181.96ms IncrementalHoareTripleChecker+Time [2021-11-06 01:36:52,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2628 Valid, 7959 Invalid, 142 Unknown, 0 Unchecked, 17.90ms Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 181.96ms Time] [2021-11-06 01:36:52,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-06 01:36:52,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-06 01:36:52,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1654 states have (on average 1.6336154776299878) internal successors, (2702), 2154 states have internal predecessors, (2702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-06 01:36:52,328 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-06 01:36:52,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:36:52,329 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-06 01:36:52,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-06 01:36:52,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 01:36:52,338 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:36:52,338 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:36:52,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 01:36:52,339 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 01:36:52,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:36:52,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-06 01:36:52,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:36:52,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911015089] [2021-11-06 01:36:52,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:52,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:36:52,366 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:36:52,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1907264648] [2021-11-06 01:36:52,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:52,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:36:52,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:36:52,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 01:36:52,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 01:36:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:36:52,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 01:36:52,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:36:52,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 01:36:52,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:36:52,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:36:52,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911015089] [2021-11-06 01:36:52,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:36:52,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907264648] [2021-11-06 01:36:52,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907264648] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:36:52,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:36:52,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 01:36:52,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093235784] [2021-11-06 01:36:52,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:36:52,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 01:36:52,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:36:52,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 01:36:52,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:36:52,689 INFO L87 Difference]: Start difference. First operand 2155 states and 2702 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:52,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:36:52,752 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-06 01:36:52,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 01:36:52,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 01:36:52,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:36:52,758 INFO L225 Difference]: With dead ends: 4327 [2021-11-06 01:36:52,759 INFO L226 Difference]: Without dead ends: 2176 [2021-11-06 01:36:52,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.38ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:36:52,762 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 9 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5345 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.95ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.57ms IncrementalHoareTripleChecker+Time [2021-11-06 01:36:52,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5345 Invalid, 72 Unknown, 0 Unchecked, 3.95ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 38.57ms Time] [2021-11-06 01:36:52,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-06 01:36:52,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-06 01:36:52,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1674 states have (on average 1.6260454002389486) internal successors, (2722), 2174 states have internal predecessors, (2722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:52,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-06 01:36:52,826 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-06 01:36:52,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:36:52,826 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-06 01:36:52,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-06 01:36:52,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 01:36:52,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:36:52,828 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:36:52,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-06 01:36:53,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:36:53,044 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 01:36:53,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:36:53,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-06 01:36:53,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:36:53,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648342685] [2021-11-06 01:36:53,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:53,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:36:53,056 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:36:53,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [648188695] [2021-11-06 01:36:53,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:53,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:36:53,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:36:53,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 01:36:53,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 01:36:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:36:53,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 01:36:53,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:36:53,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 01:36:53,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:36:53,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:36:53,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648342685] [2021-11-06 01:36:53,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:36:53,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648188695] [2021-11-06 01:36:53,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648188695] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:36:53,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:36:53,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 01:36:53,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326637578] [2021-11-06 01:36:53,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:36:53,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 01:36:53,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:36:53,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 01:36:53,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:36:53,350 INFO L87 Difference]: Start difference. First operand 2175 states and 2722 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:53,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:36:53,427 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-06 01:36:53,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 01:36:53,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 01:36:53,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:36:53,434 INFO L225 Difference]: With dead ends: 4258 [2021-11-06 01:36:53,434 INFO L226 Difference]: Without dead ends: 2196 [2021-11-06 01:36:53,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.08ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:36:53,451 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 9 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5345 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.75ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.81ms IncrementalHoareTripleChecker+Time [2021-11-06 01:36:53,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 5345 Invalid, 72 Unknown, 0 Unchecked, 3.75ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 34.81ms Time] [2021-11-06 01:36:53,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-06 01:36:53,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-06 01:36:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2195 states, 1694 states have (on average 1.6186540731995278) internal successors, (2742), 2194 states have internal predecessors, (2742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-06 01:36:53,487 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-06 01:36:53,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:36:53,487 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-06 01:36:53,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:53,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-06 01:36:53,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 01:36:53,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:36:53,489 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:36:53,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 01:36:53,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-06 01:36:53,707 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 01:36:53,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:36:53,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-06 01:36:53,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:36:53,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785522257] [2021-11-06 01:36:53,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:53,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:36:53,722 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:36:53,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737926463] [2021-11-06 01:36:53,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:53,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:36:53,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:36:53,743 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 01:36:53,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 01:36:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:36:53,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 01:36:53,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:36:54,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 01:36:54,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:36:54,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:36:54,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785522257] [2021-11-06 01:36:54,068 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:36:54,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737926463] [2021-11-06 01:36:54,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737926463] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:36:54,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:36:54,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 01:36:54,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179284219] [2021-11-06 01:36:54,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:36:54,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 01:36:54,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:36:54,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 01:36:54,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 01:36:54,069 INFO L87 Difference]: Start difference. First operand 2195 states and 2742 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:54,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:36:54,145 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-06 01:36:54,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 01:36:54,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 01:36:54,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:36:54,151 INFO L225 Difference]: With dead ends: 4378 [2021-11-06 01:36:54,151 INFO L226 Difference]: Without dead ends: 2187 [2021-11-06 01:36:54,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.98ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 01:36:54,154 INFO L933 BasicCegarLoop]: 2680 mSDtfsCounter, 2688 mSDsluCounter, 2676 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 5356 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.80ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.36ms IncrementalHoareTripleChecker+Time [2021-11-06 01:36:54,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2688 Valid, 5356 Invalid, 66 Unknown, 0 Unchecked, 6.80ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 32.36ms Time] [2021-11-06 01:36:54,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-06 01:36:54,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-06 01:36:54,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1680 states have (on average 1.6196428571428572) internal successors, (2721), 2180 states have internal predecessors, (2721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-06 01:36:54,191 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-06 01:36:54,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:36:54,192 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-06 01:36:54,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:54,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-06 01:36:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 01:36:54,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:36:54,197 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:36:54,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 01:36:54,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:36:54,415 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 01:36:54,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:36:54,415 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-06 01:36:54,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:36:54,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722912021] [2021-11-06 01:36:54,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:54,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:36:54,427 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:36:54,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1986886113] [2021-11-06 01:36:54,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:54,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:36:54,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:36:54,437 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 01:36:54,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 01:36:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:36:54,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 01:36:54,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:36:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 01:36:54,687 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:36:54,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:36:54,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722912021] [2021-11-06 01:36:54,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:36:54,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986886113] [2021-11-06 01:36:54,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986886113] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:36:54,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:36:54,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 01:36:54,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099430806] [2021-11-06 01:36:54,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:36:54,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 01:36:54,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:36:54,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 01:36:54,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 01:36:54,690 INFO L87 Difference]: Start difference. First operand 2181 states and 2721 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:54,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:36:54,766 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-06 01:36:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 01:36:54,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 01:36:54,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:36:54,772 INFO L225 Difference]: With dead ends: 4255 [2021-11-06 01:36:54,772 INFO L226 Difference]: Without dead ends: 2173 [2021-11-06 01:36:54,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 01:36:54,775 INFO L933 BasicCegarLoop]: 2671 mSDtfsCounter, 2571 mSDsluCounter, 2775 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 5446 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.70ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.02ms IncrementalHoareTripleChecker+Time [2021-11-06 01:36:54,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2571 Valid, 5446 Invalid, 66 Unknown, 0 Unchecked, 5.70ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 42.02ms Time] [2021-11-06 01:36:54,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-06 01:36:54,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-06 01:36:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 1666 states have (on average 1.6206482593037215) internal successors, (2700), 2166 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:54,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-06 01:36:54,818 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-06 01:36:54,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:36:54,819 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-06 01:36:54,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:54,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-06 01:36:54,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 01:36:54,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:36:54,821 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:36:54,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 01:36:55,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:36:55,039 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 01:36:55,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:36:55,040 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-06 01:36:55,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:36:55,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943658650] [2021-11-06 01:36:55,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:55,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:36:55,049 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:36:55,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [525784625] [2021-11-06 01:36:55,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:55,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:36:55,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:36:55,053 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 01:36:55,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 01:36:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:36:55,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 01:36:55,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:36:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 01:36:55,441 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:36:55,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:36:55,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943658650] [2021-11-06 01:36:55,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:36:55,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525784625] [2021-11-06 01:36:55,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525784625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:36:55,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:36:55,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 01:36:55,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762272877] [2021-11-06 01:36:55,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:36:55,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 01:36:55,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:36:55,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 01:36:55,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:36:55,447 INFO L87 Difference]: Start difference. First operand 2167 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:55,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:36:55,543 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-06 01:36:55,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 01:36:55,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-06 01:36:55,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:36:55,555 INFO L225 Difference]: With dead ends: 6426 [2021-11-06 01:36:55,555 INFO L226 Difference]: Without dead ends: 4263 [2021-11-06 01:36:55,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.14ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:36:55,560 INFO L933 BasicCegarLoop]: 2727 mSDtfsCounter, 2569 mSDsluCounter, 2664 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 5391 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.24ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.51ms IncrementalHoareTripleChecker+Time [2021-11-06 01:36:55,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2569 Valid, 5391 Invalid, 14 Unknown, 0 Unchecked, 8.24ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 46.51ms Time] [2021-11-06 01:36:55,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-06 01:36:55,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-06 01:36:55,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3261 states, 2760 states have (on average 1.7409420289855073) internal successors, (4805), 3260 states have internal predecessors, (4805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:55,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-06 01:36:55,628 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-06 01:36:55,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:36:55,628 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-06 01:36:55,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:55,628 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-06 01:36:55,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 01:36:55,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:36:55,629 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:36:55,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-06 01:36:55,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:36:55,830 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 01:36:55,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:36:55,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-06 01:36:55,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:36:55,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155036696] [2021-11-06 01:36:55,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:55,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:36:55,840 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:36:55,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1194754317] [2021-11-06 01:36:55,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:55,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:36:55,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:36:55,842 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 01:36:55,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 01:36:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:36:55,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 01:36:55,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:36:56,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 01:36:56,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:36:56,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:36:56,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155036696] [2021-11-06 01:36:56,146 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:36:56,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194754317] [2021-11-06 01:36:56,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194754317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:36:56,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:36:56,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 01:36:56,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598926040] [2021-11-06 01:36:56,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:36:56,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 01:36:56,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:36:56,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 01:36:56,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 01:36:56,148 INFO L87 Difference]: Start difference. First operand 3261 states and 4805 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:56,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:36:56,317 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-06 01:36:56,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 01:36:56,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-06 01:36:56,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:36:56,324 INFO L225 Difference]: With dead ends: 5424 [2021-11-06 01:36:56,324 INFO L226 Difference]: Without dead ends: 2211 [2021-11-06 01:36:56,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.50ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 01:36:56,329 INFO L933 BasicCegarLoop]: 2692 mSDtfsCounter, 5260 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5260 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.83ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 125.60ms IncrementalHoareTripleChecker+Time [2021-11-06 01:36:56,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5260 Valid, 2741 Invalid, 49 Unknown, 0 Unchecked, 5.83ms Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 125.60ms Time] [2021-11-06 01:36:56,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-06 01:36:56,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-06 01:36:56,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1710 states have (on average 1.6064327485380117) internal successors, (2747), 2210 states have internal predecessors, (2747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-06 01:36:56,362 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-06 01:36:56,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:36:56,363 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-06 01:36:56,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 01:36:56,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-06 01:36:56,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 01:36:56,364 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:36:56,364 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:36:56,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 01:36:56,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:36:56,595 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 498 more)] === [2021-11-06 01:36:56,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:36:56,596 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-06 01:36:56,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:36:56,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328792387] [2021-11-06 01:36:56,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:56,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:36:56,605 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:36:56,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1008301998] [2021-11-06 01:36:56,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:36:56,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:36:56,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:36:56,607 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 01:36:56,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 01:36:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:36:56,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 01:36:56,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:36:56,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-06 01:36:56,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-06 01:36:56,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:56,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-06 01:36:56,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:56,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:56,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:56,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-06 01:36:57,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-06 01:36:57,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-06 01:36:57,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-06 01:36:57,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 01:36:57,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-06 01:36:57,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-06 01:36:57,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-06 01:36:57,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:36:57,813 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 01:36:57,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-06 01:36:59,642 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 01:36:59,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-06 01:36:59,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:01,016 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 01:37:01,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-06 01:37:01,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:01,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:01,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:01,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:01,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:01,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:01,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:06,674 WARN L230 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 535 DAG size of output: 129 [2021-11-06 01:37:06,675 INFO L354 Elim1Store]: treesize reduction 11587, result has 3.5 percent of original size [2021-11-06 01:37:06,676 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 2271 [2021-11-06 01:37:07,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 01:37:07,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-06 01:37:07,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:07,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:07,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:07,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:07,616 INFO L244 Elim1Store]: Index analysis took 127 ms [2021-11-06 01:37:07,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 949 treesize of output 443 [2021-11-06 01:37:08,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:08,215 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 64 treesize of output 28 [2021-11-06 01:37:09,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:09,047 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-06 01:37:09,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 206 treesize of output 133 [2021-11-06 01:37:09,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:09,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:09,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,127 WARN L230 SmtUtils]: Spent 6.00s on a formula simplification. DAG size of input: 446 DAG size of output: 127 [2021-11-06 01:37:15,128 INFO L354 Elim1Store]: treesize reduction 15508, result has 2.1 percent of original size [2021-11-06 01:37:15,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 16 new quantified variables, introduced 30 case distinctions, treesize of input 93399 treesize of output 50289 [2021-11-06 01:37:15,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 01:37:15,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:15,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:15,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:15,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,708 INFO L244 Elim1Store]: Index analysis took 215 ms [2021-11-06 01:37:15,718 INFO L354 Elim1Store]: treesize reduction 246, result has 0.4 percent of original size [2021-11-06 01:37:15,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 1623 treesize of output 743 [2021-11-06 01:37:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:15,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:15,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:16,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:16,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:16,088 INFO L244 Elim1Store]: Index analysis took 209 ms [2021-11-06 01:37:16,507 INFO L354 Elim1Store]: treesize reduction 184, result has 49.3 percent of original size [2021-11-06 01:37:16,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 1909 treesize of output 1127 [2021-11-06 01:37:16,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:16,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:16,706 INFO L354 Elim1Store]: treesize reduction 162, result has 0.6 percent of original size [2021-11-06 01:37:16,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 13 case distinctions, treesize of input 66163 treesize of output 52073 [2021-11-06 01:37:16,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:16,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:16,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:17,105 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-06 01:37:17,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 46447 treesize of output 45943 [2021-11-06 01:37:17,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:17,537 INFO L354 Elim1Store]: treesize reduction 1084, result has 12.4 percent of original size [2021-11-06 01:37:17,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 45937 treesize of output 45433 [2021-11-06 01:37:23,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:23,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:23,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:23,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:23,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:23,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:23,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:23,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:23,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:23,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:23,715 INFO L354 Elim1Store]: treesize reduction 270, result has 0.4 percent of original size [2021-11-06 01:37:23,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 3804 treesize of output 3596 [2021-11-06 01:37:23,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:23,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:23,923 INFO L354 Elim1Store]: treesize reduction 144, result has 33.6 percent of original size [2021-11-06 01:37:23,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 9 case distinctions, treesize of input 1553 treesize of output 759 [2021-11-06 01:37:24,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,059 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:37:24,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 133 treesize of output 69 [2021-11-06 01:37:24,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,107 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:37:24,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 141 treesize of output 73 [2021-11-06 01:37:24,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:24,135 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 01:37:24,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1312 treesize of output 570 [2021-11-06 01:37:24,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:24,157 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 01:37:24,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1184 treesize of output 514 [2021-11-06 01:37:24,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:24,179 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-06 01:37:24,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 1048 treesize of output 542 [2021-11-06 01:37:24,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:24,199 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 01:37:24,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 916 treesize of output 852 [2021-11-06 01:37:24,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:24,217 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 01:37:24,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 780 treesize of output 720 [2021-11-06 01:37:24,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,451 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 153 treesize of output 75 [2021-11-06 01:37:24,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:24,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,468 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-06 01:37:24,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 109 treesize of output 108 [2021-11-06 01:37:24,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:24,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,911 INFO L354 Elim1Store]: treesize reduction 162, result has 12.9 percent of original size [2021-11-06 01:37:24,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 309 treesize of output 218 [2021-11-06 01:37:24,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:24,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:24,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:25,020 INFO L354 Elim1Store]: treesize reduction 646, result has 11.6 percent of original size [2021-11-06 01:37:25,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 260 treesize of output 256 [2021-11-06 01:37:25,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:37:25,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:25,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:37:25,047 INFO L354 Elim1Store]: treesize reduction 122, result has 22.8 percent of original size [2021-11-06 01:37:25,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 209 treesize of output 199 [2021-11-06 01:37:25,535 INFO L354 Elim1Store]: treesize reduction 412, result has 39.4 percent of original size [2021-11-06 01:37:25,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 220 treesize of output 388 [2021-11-06 01:37:25,553 INFO L354 Elim1Store]: treesize reduction 38, result has 7.3 percent of original size [2021-11-06 01:37:25,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 364 treesize of output 282 [2021-11-06 01:37:25,613 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 01:37:25,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 270 treesize of output 290 [2021-11-06 01:37:25,622 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:37:25,623 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 3 case distinctions, treesize of input 266 treesize of output 254 [2021-11-06 01:37:32,180 INFO L354 Elim1Store]: treesize reduction 394, result has 24.2 percent of original size [2021-11-06 01:37:32,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 272 treesize of output 308 [2021-11-06 01:39:13,301 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 01:39:13,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 347 treesize of output 232 [2021-11-06 01:39:19,651 INFO L354 Elim1Store]: treesize reduction 92, result has 1.1 percent of original size [2021-11-06 01:39:19,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 337 treesize of output 177 [2021-11-06 01:39:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 01:39:19,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-06 01:39:22,012 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_6 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (or (< (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse2 (select |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse3 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_7))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_6))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 999) (< (let ((.cse4 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse4)) (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse4))) v_ULTIMATE.start_main_~_ha_head~0.base_5))) is different from false [2021-11-06 01:39:24,140 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_6 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_10)))) (select .cse0 (select (select .cse0 c_ULTIMATE.start_main_~users~0.base) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_9)) c_ULTIMATE.start_main_~users~0.base) .cse1)) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse7 (select .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse8 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse5 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_7))))) (store .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_6))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 999))))) is different from false [2021-11-06 01:39:26,204 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_6 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_10)))) (select .cse0 (select (select .cse0 c_ULTIMATE.start_main_~user~0.base) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_9)) c_ULTIMATE.start_main_~user~0.base) .cse1)) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse7 (select .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse8 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse5 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_7))))) (store .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_6))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 999))))) is different from false [2021-11-06 01:39:28,443 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_6 Int) (v_DerPreprocessor_10 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (let ((.cse1 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_10)))) (select .cse0 (select (select .cse0 c_ULTIMATE.start_main_~user~0.base) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_9)) c_ULTIMATE.start_main_~user~0.base) .cse1)) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse7 (select .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse8 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse5 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_7))))) (store .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_6))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 999))))) is different from false Killed by 15