./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-07 00:40:39,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:40:39,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:40:39,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:40:39,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:40:39,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:40:39,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:40:39,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:40:39,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:40:39,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:40:39,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:40:39,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:40:39,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:40:39,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:40:39,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:40:39,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:40:39,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:40:39,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:40:39,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:40:39,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:40:39,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:40:39,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:40:39,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:40:39,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:40:39,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:40:39,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:40:39,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:40:39,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:40:39,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:40:39,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:40:39,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:40:39,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:40:39,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:40:39,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:40:39,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:40:39,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:40:39,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:40:39,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:40:39,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:40:39,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:40:39,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:40:39,756 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 00:40:39,769 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:40:39,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:40:39,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 00:40:39,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 00:40:39,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 00:40:39,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 00:40:39,771 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 00:40:39,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:40:39,771 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:40:39,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:40:39,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:40:39,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:40:39,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:40:39,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:40:39,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:40:39,772 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:40:39,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:40:39,772 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:40:39,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:40:39,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:40:39,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:40:39,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:40:39,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:40:39,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:40:39,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:40:39,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:40:39,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 00:40:39,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:40:39,774 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 00:40:39,774 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 00:40:39,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:40:39,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:40:39,775 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a8b24485e53fece96b44fdc12e6f161e1bbffda2cd597a930f4925e148dc01 [2021-11-07 00:40:39,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:40:39,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:40:39,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:40:39,947 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:40:39,949 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:40:39,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2021-11-07 00:40:39,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bb06aabc/884662d2b1624294a8fdaaae7ee8b803/FLAGd8891f5a0 [2021-11-07 00:40:40,493 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:40:40,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i [2021-11-07 00:40:40,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bb06aabc/884662d2b1624294a8fdaaae7ee8b803/FLAGd8891f5a0 [2021-11-07 00:40:40,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bb06aabc/884662d2b1624294a8fdaaae7ee8b803 [2021-11-07 00:40:40,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:40:40,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:40:40,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:40:40,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:40:40,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:40:40,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:40:40" (1/1) ... [2021-11-07 00:40:40,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb785de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:40:40, skipping insertion in model container [2021-11-07 00:40:40,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:40:40" (1/1) ... [2021-11-07 00:40:41,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:40:41,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:40:41,342 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2021-11-07 00:40:41,564 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2021-11-07 00:40:41,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:40:41,573 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:40:41,594 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[33021,33034] [2021-11-07 00:40:41,675 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-1.i[84583,84596] [2021-11-07 00:40:41,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:40:41,739 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:40:41,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:40:41 WrapperNode [2021-11-07 00:40:41,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:40:41,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:40:41,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:40:41,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:40:41,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:40:41" (1/1) ... [2021-11-07 00:40:41,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:40:41" (1/1) ... [2021-11-07 00:40:41,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:40:41,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:40:41,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:40:41,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:40:41,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:40:41" (1/1) ... [2021-11-07 00:40:41,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:40:41" (1/1) ... [2021-11-07 00:40:41,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:40:41" (1/1) ... [2021-11-07 00:40:41,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:40:41" (1/1) ... [2021-11-07 00:40:42,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:40:41" (1/1) ... [2021-11-07 00:40:42,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:40:41" (1/1) ... [2021-11-07 00:40:42,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:40:41" (1/1) ... [2021-11-07 00:40:42,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:40:42,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:40:42,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:40:42,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:40:42,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:40:41" (1/1) ... [2021-11-07 00:40:42,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:40:42,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:40:42,177 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) [2021-11-07 00:40:42,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:40:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 00:40:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 00:40:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 00:40:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 00:40:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:40:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 00:40:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 00:40:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:40:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:40:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:40:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:40:44,340 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:40:44,340 INFO L299 CfgBuilder]: Removed 1066 assume(true) statements. [2021-11-07 00:40:44,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:40:44 BoogieIcfgContainer [2021-11-07 00:40:44,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:40:44,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:40:44,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:40:44,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:40:44,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:40:40" (1/3) ... [2021-11-07 00:40:44,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631c42f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:40:44, skipping insertion in model container [2021-11-07 00:40:44,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:40:41" (2/3) ... [2021-11-07 00:40:44,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631c42f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:40:44, skipping insertion in model container [2021-11-07 00:40:44,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:40:44" (3/3) ... [2021-11-07 00:40:44,348 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test9-1.i [2021-11-07 00:40:44,351 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:40:44,351 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 501 error locations. [2021-11-07 00:40:44,381 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:40:44,385 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 00:40:44,385 INFO L340 AbstractCegarLoop]: Starting to check reachability of 501 error locations. [2021-11-07 00:40:44,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 2157 states, 1655 states have (on average 1.9716012084592145) internal successors, (3263), 2156 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:40:44,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 00:40:44,415 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:40:44,415 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:40:44,416 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)] === [2021-11-07 00:40:44,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:40:44,419 INFO L85 PathProgramCache]: Analyzing trace with hash 239437319, now seen corresponding path program 1 times [2021-11-07 00:40:44,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:40:44,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647813291] [2021-11-07 00:40:44,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:44,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:40:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:40:44,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:40:44,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:40:44,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647813291] [2021-11-07 00:40:44,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647813291] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:40:44,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:40:44,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 00:40:44,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648284433] [2021-11-07 00:40:44,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:40:44,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:40:44,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:40:44,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:40:44,524 INFO L87 Difference]: Start difference. First operand has 2157 states, 1655 states have (on average 1.9716012084592145) internal successors, (3263), 2156 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:40:44,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:40:44,572 INFO L93 Difference]: Finished difference Result 4312 states and 6524 transitions. [2021-11-07 00:40:44,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:40:44,573 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 00:40:44,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:40:44,589 INFO L225 Difference]: With dead ends: 4312 [2021-11-07 00:40:44,589 INFO L226 Difference]: Without dead ends: 2153 [2021-11-07 00:40:44,594 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:40:44,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-11-07 00:40:44,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2153. [2021-11-07 00:40:44,698 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) [2021-11-07 00:40:44,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2700 transitions. [2021-11-07 00:40:44,702 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2700 transitions. Word has length 9 [2021-11-07 00:40:44,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:40:44,702 INFO L470 AbstractCegarLoop]: Abstraction has 2153 states and 2700 transitions. [2021-11-07 00:40:44,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:40:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2700 transitions. [2021-11-07 00:40:44,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 00:40:44,704 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:40:44,704 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:40:44,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 00:40:44,705 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)] === [2021-11-07 00:40:44,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:40:44,705 INFO L85 PathProgramCache]: Analyzing trace with hash 627540097, now seen corresponding path program 1 times [2021-11-07 00:40:44,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:40:44,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933951494] [2021-11-07 00:40:44,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:44,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:40:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:40:44,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:40:44,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:40:44,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933951494] [2021-11-07 00:40:44,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933951494] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:40:44,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:40:44,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:40:44,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857459962] [2021-11-07 00:40:44,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:40:44,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:40:44,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:40:44,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:40:44,750 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) [2021-11-07 00:40:44,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:40:44,977 INFO L93 Difference]: Finished difference Result 6317 states and 7915 transitions. [2021-11-07 00:40:44,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:40:44,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-07 00:40:44,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:40:44,987 INFO L225 Difference]: With dead ends: 6317 [2021-11-07 00:40:44,987 INFO L226 Difference]: Without dead ends: 4254 [2021-11-07 00:40:44,989 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:40:44,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2021-11-07 00:40:45,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 2155. [2021-11-07 00:40:45,020 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) [2021-11-07 00:40:45,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2702 transitions. [2021-11-07 00:40:45,025 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2702 transitions. Word has length 44 [2021-11-07 00:40:45,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:40:45,026 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2702 transitions. [2021-11-07 00:40:45,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:40:45,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2702 transitions. [2021-11-07 00:40:45,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:40:45,031 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:40:45,031 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:40:45,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 00:40:45,032 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)] === [2021-11-07 00:40:45,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:40:45,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1103299153, now seen corresponding path program 1 times [2021-11-07 00:40:45,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:40:45,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742865046] [2021-11-07 00:40:45,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:45,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:40:45,063 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:40:45,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1510469089] [2021-11-07 00:40:45,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:45,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:40:45,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:40:45,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:40:45,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 00:40:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:40:45,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:40:45,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:40:45,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:40:45,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:40:45,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742865046] [2021-11-07 00:40:45,412 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:40:45,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510469089] [2021-11-07 00:40:45,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510469089] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:40:45,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:40:45,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:40:45,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241600465] [2021-11-07 00:40:45,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:40:45,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:40:45,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:40:45,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:40:45,414 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) [2021-11-07 00:40:45,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:40:45,528 INFO L93 Difference]: Finished difference Result 4327 states and 5431 transitions. [2021-11-07 00:40:45,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:40:45,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 00:40:45,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:40:45,533 INFO L225 Difference]: With dead ends: 4327 [2021-11-07 00:40:45,533 INFO L226 Difference]: Without dead ends: 2176 [2021-11-07 00:40:45,535 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:40:45,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-07 00:40:45,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2175. [2021-11-07 00:40:45,554 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) [2021-11-07 00:40:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 2722 transitions. [2021-11-07 00:40:45,558 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 2722 transitions. Word has length 96 [2021-11-07 00:40:45,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:40:45,558 INFO L470 AbstractCegarLoop]: Abstraction has 2175 states and 2722 transitions. [2021-11-07 00:40:45,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:40:45,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2722 transitions. [2021-11-07 00:40:45,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:40:45,559 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:40:45,559 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:40:45,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:40:45,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:40:45,775 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)] === [2021-11-07 00:40:45,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:40:45,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1343538899, now seen corresponding path program 1 times [2021-11-07 00:40:45,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:40:45,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913632833] [2021-11-07 00:40:45,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:45,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:40:45,788 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:40:45,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [500774483] [2021-11-07 00:40:45,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:45,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:40:45,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:40:45,804 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:40:45,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 00:40:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:40:45,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:40:45,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:40:46,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 00:40:46,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:40:46,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913632833] [2021-11-07 00:40:46,077 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:40:46,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500774483] [2021-11-07 00:40:46,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500774483] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:40:46,077 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:40:46,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:40:46,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181049996] [2021-11-07 00:40:46,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:40:46,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:40:46,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:40:46,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:40:46,079 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) [2021-11-07 00:40:46,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:40:46,150 INFO L93 Difference]: Finished difference Result 4258 states and 5334 transitions. [2021-11-07 00:40:46,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:40:46,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 00:40:46,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:40:46,157 INFO L225 Difference]: With dead ends: 4258 [2021-11-07 00:40:46,157 INFO L226 Difference]: Without dead ends: 2196 [2021-11-07 00:40:46,159 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:40:46,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2021-11-07 00:40:46,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2195. [2021-11-07 00:40:46,184 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) [2021-11-07 00:40:46,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2742 transitions. [2021-11-07 00:40:46,188 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2742 transitions. Word has length 96 [2021-11-07 00:40:46,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:40:46,189 INFO L470 AbstractCegarLoop]: Abstraction has 2195 states and 2742 transitions. [2021-11-07 00:40:46,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:40:46,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2742 transitions. [2021-11-07 00:40:46,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:40:46,190 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:40:46,190 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:40:46,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-07 00:40:46,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-07 00:40:46,424 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)] === [2021-11-07 00:40:46,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:40:46,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1663743951, now seen corresponding path program 1 times [2021-11-07 00:40:46,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:40:46,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121539059] [2021-11-07 00:40:46,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:46,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:40:46,435 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:40:46,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114479821] [2021-11-07 00:40:46,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:46,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:40:46,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:40:46,462 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:40:46,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 00:40:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:40:46,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:40:46,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:40:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:40:46,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:40:46,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121539059] [2021-11-07 00:40:46,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:40:46,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114479821] [2021-11-07 00:40:46,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114479821] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:40:46,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:40:46,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:40:46,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511753567] [2021-11-07 00:40:46,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:40:46,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:40:46,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:40:46,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:40:46,829 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) [2021-11-07 00:40:46,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:40:46,922 INFO L93 Difference]: Finished difference Result 4378 states and 5472 transitions. [2021-11-07 00:40:46,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:40:46,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 00:40:46,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:40:46,928 INFO L225 Difference]: With dead ends: 4378 [2021-11-07 00:40:46,928 INFO L226 Difference]: Without dead ends: 2187 [2021-11-07 00:40:46,930 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:40:46,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-07 00:40:46,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2181. [2021-11-07 00:40:46,954 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) [2021-11-07 00:40:46,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2721 transitions. [2021-11-07 00:40:46,958 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2721 transitions. Word has length 96 [2021-11-07 00:40:46,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:40:46,958 INFO L470 AbstractCegarLoop]: Abstraction has 2181 states and 2721 transitions. [2021-11-07 00:40:46,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:40:46,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2721 transitions. [2021-11-07 00:40:46,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:40:46,959 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:40:46,959 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:40:46,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:40:47,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:40:47,185 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)] === [2021-11-07 00:40:47,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:40:47,186 INFO L85 PathProgramCache]: Analyzing trace with hash 570124223, now seen corresponding path program 1 times [2021-11-07 00:40:47,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:40:47,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779399727] [2021-11-07 00:40:47,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:47,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:40:47,197 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:40:47,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1587500659] [2021-11-07 00:40:47,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:47,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:40:47,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:40:47,198 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:40:47,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 00:40:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:40:47,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 00:40:47,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:40:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 00:40:47,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:40:47,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779399727] [2021-11-07 00:40:47,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:40:47,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587500659] [2021-11-07 00:40:47,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587500659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:40:47,555 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:40:47,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:40:47,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020285393] [2021-11-07 00:40:47,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:40:47,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:40:47,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:40:47,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:40:47,557 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) [2021-11-07 00:40:47,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:40:47,632 INFO L93 Difference]: Finished difference Result 4255 states and 5314 transitions. [2021-11-07 00:40:47,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:40:47,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 00:40:47,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:40:47,639 INFO L225 Difference]: With dead ends: 4255 [2021-11-07 00:40:47,639 INFO L226 Difference]: Without dead ends: 2173 [2021-11-07 00:40:47,642 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:40:47,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2021-11-07 00:40:47,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2167. [2021-11-07 00:40:47,667 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) [2021-11-07 00:40:47,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 2700 transitions. [2021-11-07 00:40:47,671 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 2700 transitions. Word has length 96 [2021-11-07 00:40:47,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:40:47,673 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 2700 transitions. [2021-11-07 00:40:47,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:40:47,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2700 transitions. [2021-11-07 00:40:47,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 00:40:47,674 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:40:47,675 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:40:47,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 00:40:47,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:40:47,892 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)] === [2021-11-07 00:40:47,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:40:47,892 INFO L85 PathProgramCache]: Analyzing trace with hash -312724623, now seen corresponding path program 1 times [2021-11-07 00:40:47,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:40:47,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516847919] [2021-11-07 00:40:47,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:47,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:40:47,916 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:40:47,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [436220067] [2021-11-07 00:40:47,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:47,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:40:47,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:40:47,936 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:40:47,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 00:40:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:40:48,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:40:48,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:40:48,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:40:48,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:40:48,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516847919] [2021-11-07 00:40:48,425 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:40:48,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436220067] [2021-11-07 00:40:48,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436220067] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:40:48,425 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:40:48,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:40:48,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368186877] [2021-11-07 00:40:48,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:40:48,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:40:48,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:40:48,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:40:48,427 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) [2021-11-07 00:40:48,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:40:48,498 INFO L93 Difference]: Finished difference Result 6426 states and 8004 transitions. [2021-11-07 00:40:48,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:40:48,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 00:40:48,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:40:48,510 INFO L225 Difference]: With dead ends: 6426 [2021-11-07 00:40:48,510 INFO L226 Difference]: Without dead ends: 4263 [2021-11-07 00:40:48,514 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:40:48,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4263 states. [2021-11-07 00:40:48,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4263 to 3261. [2021-11-07 00:40:48,566 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) [2021-11-07 00:40:48,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 3261 states and 4805 transitions. [2021-11-07 00:40:48,573 INFO L78 Accepts]: Start accepts. Automaton has 3261 states and 4805 transitions. Word has length 96 [2021-11-07 00:40:48,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:40:48,573 INFO L470 AbstractCegarLoop]: Abstraction has 3261 states and 4805 transitions. [2021-11-07 00:40:48,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:40:48,574 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 4805 transitions. [2021-11-07 00:40:48,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 00:40:48,575 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:40:48,575 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:40:48,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:40:48,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:40:48,792 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)] === [2021-11-07 00:40:48,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:40:48,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1091132224, now seen corresponding path program 1 times [2021-11-07 00:40:48,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:40:48,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495433085] [2021-11-07 00:40:48,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:48,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:40:48,804 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:40:48,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [113165231] [2021-11-07 00:40:48,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:48,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:40:48,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:40:48,806 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:40:48,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 00:40:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:40:49,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:40:49,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:40:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:40:49,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 00:40:49,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495433085] [2021-11-07 00:40:49,235 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 00:40:49,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113165231] [2021-11-07 00:40:49,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113165231] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:40:49,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:40:49,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 00:40:49,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098447338] [2021-11-07 00:40:49,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:40:49,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 00:40:49,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:40:49,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:40:49,236 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) [2021-11-07 00:40:49,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:40:49,374 INFO L93 Difference]: Finished difference Result 5424 states and 7501 transitions. [2021-11-07 00:40:49,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:40:49,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 00:40:49,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:40:49,379 INFO L225 Difference]: With dead ends: 5424 [2021-11-07 00:40:49,379 INFO L226 Difference]: Without dead ends: 2211 [2021-11-07 00:40:49,381 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:40:49,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2021-11-07 00:40:49,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2021-11-07 00:40:49,402 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) [2021-11-07 00:40:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 2747 transitions. [2021-11-07 00:40:49,405 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 2747 transitions. Word has length 103 [2021-11-07 00:40:49,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:40:49,405 INFO L470 AbstractCegarLoop]: Abstraction has 2211 states and 2747 transitions. [2021-11-07 00:40:49,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:40:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2747 transitions. [2021-11-07 00:40:49,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 00:40:49,406 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:40:49,406 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:40:49,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 00:40:49,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:40:49,623 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)] === [2021-11-07 00:40:49,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:40:49,624 INFO L85 PathProgramCache]: Analyzing trace with hash 541766298, now seen corresponding path program 1 times [2021-11-07 00:40:49,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 00:40:49,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423367303] [2021-11-07 00:40:49,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:49,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:40:49,634 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 00:40:49,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [255833273] [2021-11-07 00:40:49,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:40:49,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:40:49,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 00:40:49,635 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:40:49,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 00:40:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:40:49,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 00:40:49,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:40:49,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 00:40:49,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 00:40:49,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:49,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-07 00:40:50,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-07 00:40:50,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-07 00:40:50,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-07 00:40:50,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-07 00:40:50,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-07 00:40:50,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 00:40:50,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-07 00:40:50,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,866 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 00:40:50,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 00:40:50,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:50,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-07 00:40:51,841 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 00:40:51,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-07 00:40:51,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:52,927 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 00:40:52,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-07 00:40:52,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:52,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:52,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:52,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:52,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:52,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:52,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:57,934 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-07 00:40:57,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2277 [2021-11-07 00:40:58,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:58,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-07 00:40:58,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:40:58,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-07 00:41:00,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:41:00,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:00,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:00,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:41:00,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:00,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:41:00,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:00,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:00,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:00,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:00,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:00,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:00,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:00,654 INFO L244 Elim1Store]: Index analysis took 176 ms [2021-11-07 00:41:00,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 936 treesize of output 430 [2021-11-07 00:41:01,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:41:01,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:01,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:01,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:41:01,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 00:41:01,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:52,458 WARN L207 SmtUtils]: Spent 8.84 m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-07 00:49:52,461 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-07 00:49:52,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 38 new quantified variables, introduced 168 case distinctions, treesize of input 1325504 treesize of output 556695 [2021-11-07 00:49:55,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,739 INFO L244 Elim1Store]: Index analysis took 262 ms [2021-11-07 00:49:55,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:55,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,059 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:49:56,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 1421 treesize of output 647 [2021-11-07 00:49:56,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,426 INFO L244 Elim1Store]: Index analysis took 221 ms [2021-11-07 00:49:56,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,623 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:49:56,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 882 treesize of output 412 [2021-11-07 00:49:56,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:56,950 INFO L244 Elim1Store]: Index analysis took 229 ms [2021-11-07 00:49:56,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,184 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:49:57,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 678 treesize of output 316 [2021-11-07 00:49:57,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,474 INFO L244 Elim1Store]: Index analysis took 196 ms [2021-11-07 00:49:57,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 00:49:57,752 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 00:49:57,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1341 treesize of output 607 Killed by 15