/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 15:18:18,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 15:18:18,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 15:18:19,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 15:18:19,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 15:18:19,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 15:18:19,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 15:18:19,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 15:18:19,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 15:18:19,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 15:18:19,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 15:18:19,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 15:18:19,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 15:18:19,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 15:18:19,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 15:18:19,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 15:18:19,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 15:18:19,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 15:18:19,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 15:18:19,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 15:18:19,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 15:18:19,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 15:18:19,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 15:18:19,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 15:18:19,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 15:18:19,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 15:18:19,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 15:18:19,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 15:18:19,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 15:18:19,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 15:18:19,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 15:18:19,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 15:18:19,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 15:18:19,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 15:18:19,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 15:18:19,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 15:18:19,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 15:18:19,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 15:18:19,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 15:18:19,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 15:18:19,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 15:18:19,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 15:18:19,092 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 15:18:19,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 15:18:19,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 15:18:19,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 15:18:19,098 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 15:18:19,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 15:18:19,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 15:18:19,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 15:18:19,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 15:18:19,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 15:18:19,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 15:18:19,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 15:18:19,100 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 15:18:19,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 15:18:19,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 15:18:19,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 15:18:19,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 15:18:19,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 15:18:19,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 15:18:19,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 15:18:19,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 15:18:19,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 15:18:19,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 15:18:19,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 15:18:19,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 15:18:19,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 15:18:19,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 15:18:19,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 15:18:19,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 15:18:19,510 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 15:18:19,511 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 15:18:19,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2020-12-22 15:18:19,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25dfaf7d9/0090b590474745b8a346bec13a0bdf14/FLAGbfda6faf6 [2020-12-22 15:18:20,676 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 15:18:20,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2020-12-22 15:18:20,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25dfaf7d9/0090b590474745b8a346bec13a0bdf14/FLAGbfda6faf6 [2020-12-22 15:18:21,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25dfaf7d9/0090b590474745b8a346bec13a0bdf14 [2020-12-22 15:18:21,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 15:18:21,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 15:18:21,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 15:18:21,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 15:18:21,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 15:18:21,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:18:21" (1/1) ... [2020-12-22 15:18:21,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310db43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:21, skipping insertion in model container [2020-12-22 15:18:21,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:18:21" (1/1) ... [2020-12-22 15:18:21,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 15:18:21,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 15:18:23,364 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2020-12-22 15:18:23,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 15:18:23,532 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 15:18:23,907 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2020-12-22 15:18:23,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 15:18:24,444 INFO L208 MainTranslator]: Completed translation [2020-12-22 15:18:24,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:24 WrapperNode [2020-12-22 15:18:24,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 15:18:24,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 15:18:24,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 15:18:24,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 15:18:24,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:24" (1/1) ... [2020-12-22 15:18:24,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:24" (1/1) ... [2020-12-22 15:18:25,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 15:18:25,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 15:18:25,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 15:18:25,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 15:18:25,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:24" (1/1) ... [2020-12-22 15:18:25,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:24" (1/1) ... [2020-12-22 15:18:25,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:24" (1/1) ... [2020-12-22 15:18:25,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:24" (1/1) ... [2020-12-22 15:18:25,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:24" (1/1) ... [2020-12-22 15:18:25,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:24" (1/1) ... [2020-12-22 15:18:25,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:24" (1/1) ... [2020-12-22 15:18:26,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 15:18:26,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 15:18:26,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 15:18:26,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 15:18:26,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 15:18:26,159 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2020-12-22 15:18:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-12-22 15:18:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 15:18:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 15:18:26,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 15:18:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-12-22 15:18:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 15:18:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 15:18:26,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 15:18:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 15:18:26,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 15:18:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 15:18:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 15:18:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 15:18:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 15:18:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 15:18:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 15:18:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 15:18:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 15:18:57,779 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 15:18:57,780 INFO L299 CfgBuilder]: Removed 1993 assume(true) statements. [2020-12-22 15:18:57,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:18:57 BoogieIcfgContainer [2020-12-22 15:18:57,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 15:18:57,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 15:18:57,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 15:18:57,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 15:18:57,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:18:21" (1/3) ... [2020-12-22 15:18:57,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e4c445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:18:57, skipping insertion in model container [2020-12-22 15:18:57,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:24" (2/3) ... [2020-12-22 15:18:57,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e4c445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:18:57, skipping insertion in model container [2020-12-22 15:18:57,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:18:57" (3/3) ... [2020-12-22 15:18:57,799 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2020-12-22 15:18:57,806 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 15:18:57,812 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2020-12-22 15:18:57,832 INFO L253 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2020-12-22 15:18:57,888 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 15:18:57,888 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 15:18:57,888 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 15:18:57,888 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 15:18:57,888 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 15:18:57,889 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 15:18:57,889 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 15:18:57,889 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 15:18:57,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states. [2020-12-22 15:18:57,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-22 15:18:57,994 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:18:57,997 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:18:57,997 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:18:58,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:18:58,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1062845019, now seen corresponding path program 1 times [2020-12-22 15:18:58,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:18:58,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423920173] [2020-12-22 15:18:58,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:18:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:18:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:18:59,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423920173] [2020-12-22 15:18:59,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:18:59,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 15:18:59,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893826781] [2020-12-22 15:18:59,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 15:18:59,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:18:59,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 15:18:59,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 15:18:59,330 INFO L87 Difference]: Start difference. First operand 2026 states. Second operand 2 states. [2020-12-22 15:18:59,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:18:59,470 INFO L93 Difference]: Finished difference Result 4048 states and 5647 transitions. [2020-12-22 15:18:59,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 15:18:59,472 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 103 [2020-12-22 15:18:59,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:18:59,498 INFO L225 Difference]: With dead ends: 4048 [2020-12-22 15:18:59,499 INFO L226 Difference]: Without dead ends: 2009 [2020-12-22 15:18:59,508 INFO L677 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 [2020-12-22 15:18:59,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2009 states. [2020-12-22 15:18:59,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2009 to 2009. [2020-12-22 15:18:59,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2009 states. [2020-12-22 15:18:59,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2713 transitions. [2020-12-22 15:18:59,649 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2713 transitions. Word has length 103 [2020-12-22 15:18:59,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:18:59,650 INFO L481 AbstractCegarLoop]: Abstraction has 2009 states and 2713 transitions. [2020-12-22 15:18:59,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 15:18:59,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2713 transitions. [2020-12-22 15:18:59,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-22 15:18:59,652 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:18:59,653 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:18:59,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 15:18:59,655 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:18:59,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:18:59,658 INFO L82 PathProgramCache]: Analyzing trace with hash 666457411, now seen corresponding path program 1 times [2020-12-22 15:18:59,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:18:59,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222962470] [2020-12-22 15:18:59,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:19:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:19:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:19:00,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222962470] [2020-12-22 15:19:00,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:19:00,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:19:00,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434185660] [2020-12-22 15:19:00,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:19:00,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:19:00,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:19:00,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:19:00,727 INFO L87 Difference]: Start difference. First operand 2009 states and 2713 transitions. Second operand 3 states. [2020-12-22 15:19:01,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:19:01,134 INFO L93 Difference]: Finished difference Result 5095 states and 6983 transitions. [2020-12-22 15:19:01,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:19:01,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-12-22 15:19:01,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:19:01,153 INFO L225 Difference]: With dead ends: 5095 [2020-12-22 15:19:01,153 INFO L226 Difference]: Without dead ends: 3170 [2020-12-22 15:19:01,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:19:01,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2020-12-22 15:19:01,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 3159. [2020-12-22 15:19:01,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3159 states. [2020-12-22 15:19:01,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 3159 states and 4355 transitions. [2020-12-22 15:19:01,262 INFO L78 Accepts]: Start accepts. Automaton has 3159 states and 4355 transitions. Word has length 103 [2020-12-22 15:19:01,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:19:01,265 INFO L481 AbstractCegarLoop]: Abstraction has 3159 states and 4355 transitions. [2020-12-22 15:19:01,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:19:01,266 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 4355 transitions. [2020-12-22 15:19:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-22 15:19:01,269 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:19:01,270 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:19:01,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 15:19:01,271 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:19:01,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:19:01,273 INFO L82 PathProgramCache]: Analyzing trace with hash -211769177, now seen corresponding path program 1 times [2020-12-22 15:19:01,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:19:01,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211547508] [2020-12-22 15:19:01,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:19:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:19:02,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:19:02,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211547508] [2020-12-22 15:19:02,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:19:02,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:19:02,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510842567] [2020-12-22 15:19:02,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:19:02,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:19:02,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:19:02,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:19:02,113 INFO L87 Difference]: Start difference. First operand 3159 states and 4355 transitions. Second operand 3 states. [2020-12-22 15:19:02,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:19:02,648 INFO L93 Difference]: Finished difference Result 8855 states and 12269 transitions. [2020-12-22 15:19:02,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:19:02,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-12-22 15:19:02,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:19:02,681 INFO L225 Difference]: With dead ends: 8855 [2020-12-22 15:19:02,681 INFO L226 Difference]: Without dead ends: 5780 [2020-12-22 15:19:02,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:19:02,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5780 states. [2020-12-22 15:19:02,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5780 to 5720. [2020-12-22 15:19:02,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5720 states. [2020-12-22 15:19:02,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5720 states to 5720 states and 7959 transitions. [2020-12-22 15:19:02,852 INFO L78 Accepts]: Start accepts. Automaton has 5720 states and 7959 transitions. Word has length 104 [2020-12-22 15:19:02,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:19:02,854 INFO L481 AbstractCegarLoop]: Abstraction has 5720 states and 7959 transitions. [2020-12-22 15:19:02,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:19:02,854 INFO L276 IsEmpty]: Start isEmpty. Operand 5720 states and 7959 transitions. [2020-12-22 15:19:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-22 15:19:02,859 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:19:02,859 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:19:02,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 15:19:02,860 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:19:02,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:19:02,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1985592461, now seen corresponding path program 1 times [2020-12-22 15:19:02,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:19:02,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711265686] [2020-12-22 15:19:02,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:19:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:19:03,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:19:03,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711265686] [2020-12-22 15:19:03,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:19:03,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:19:03,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718236550] [2020-12-22 15:19:03,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:19:03,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:19:03,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:19:03,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:19:03,564 INFO L87 Difference]: Start difference. First operand 5720 states and 7959 transitions. Second operand 3 states. [2020-12-22 15:19:04,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:19:04,346 INFO L93 Difference]: Finished difference Result 13638 states and 18852 transitions. [2020-12-22 15:19:04,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:19:04,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-12-22 15:19:04,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:19:04,385 INFO L225 Difference]: With dead ends: 13638 [2020-12-22 15:19:04,386 INFO L226 Difference]: Without dead ends: 8002 [2020-12-22 15:19:04,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:19:04,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8002 states. [2020-12-22 15:19:04,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8002 to 7970. [2020-12-22 15:19:04,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7970 states. [2020-12-22 15:19:04,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7970 states to 7970 states and 10965 transitions. [2020-12-22 15:19:04,683 INFO L78 Accepts]: Start accepts. Automaton has 7970 states and 10965 transitions. Word has length 108 [2020-12-22 15:19:04,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:19:04,685 INFO L481 AbstractCegarLoop]: Abstraction has 7970 states and 10965 transitions. [2020-12-22 15:19:04,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:19:04,685 INFO L276 IsEmpty]: Start isEmpty. Operand 7970 states and 10965 transitions. [2020-12-22 15:19:04,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-22 15:19:04,688 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:19:04,688 INFO L422 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:19:04,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 15:19:04,689 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:19:04,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:19:04,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1132510402, now seen corresponding path program 1 times [2020-12-22 15:19:04,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:19:04,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064318679] [2020-12-22 15:19:04,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:19:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:19:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:19:05,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064318679] [2020-12-22 15:19:05,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:19:05,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 15:19:05,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788723426] [2020-12-22 15:19:05,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:19:05,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:19:05,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:19:05,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:19:05,522 INFO L87 Difference]: Start difference. First operand 7970 states and 10965 transitions. Second operand 4 states. [2020-12-22 15:19:06,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:19:06,264 INFO L93 Difference]: Finished difference Result 23528 states and 32456 transitions. [2020-12-22 15:19:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:19:06,265 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2020-12-22 15:19:06,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:19:06,351 INFO L225 Difference]: With dead ends: 23528 [2020-12-22 15:19:06,351 INFO L226 Difference]: Without dead ends: 15642 [2020-12-22 15:19:06,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:19:06,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15642 states. [2020-12-22 15:19:06,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15642 to 7814. [2020-12-22 15:19:06,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7814 states. [2020-12-22 15:19:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7814 states to 7814 states and 10774 transitions. [2020-12-22 15:19:06,954 INFO L78 Accepts]: Start accepts. Automaton has 7814 states and 10774 transitions. Word has length 137 [2020-12-22 15:19:06,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:19:06,955 INFO L481 AbstractCegarLoop]: Abstraction has 7814 states and 10774 transitions. [2020-12-22 15:19:06,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:19:06,955 INFO L276 IsEmpty]: Start isEmpty. Operand 7814 states and 10774 transitions. [2020-12-22 15:19:06,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-22 15:19:06,962 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:19:06,962 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:19:06,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 15:19:06,963 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:19:06,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:19:06,963 INFO L82 PathProgramCache]: Analyzing trace with hash 93089651, now seen corresponding path program 1 times [2020-12-22 15:19:06,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:19:06,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448442282] [2020-12-22 15:19:06,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:19:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:19:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:19:07,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448442282] [2020-12-22 15:19:07,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:19:07,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 15:19:07,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776637212] [2020-12-22 15:19:07,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:19:07,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:19:07,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:19:07,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:19:07,688 INFO L87 Difference]: Start difference. First operand 7814 states and 10774 transitions. Second operand 4 states. [2020-12-22 15:19:10,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:19:10,211 INFO L93 Difference]: Finished difference Result 15548 states and 21460 transitions. [2020-12-22 15:19:10,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:19:10,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2020-12-22 15:19:10,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:19:10,231 INFO L225 Difference]: With dead ends: 15548 [2020-12-22 15:19:10,231 INFO L226 Difference]: Without dead ends: 7814 [2020-12-22 15:19:10,245 INFO L677 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 [2020-12-22 15:19:10,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7814 states. [2020-12-22 15:19:10,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7814 to 7814. [2020-12-22 15:19:10,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7814 states. [2020-12-22 15:19:10,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7814 states to 7814 states and 10772 transitions. [2020-12-22 15:19:10,527 INFO L78 Accepts]: Start accepts. Automaton has 7814 states and 10772 transitions. Word has length 139 [2020-12-22 15:19:10,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:19:10,528 INFO L481 AbstractCegarLoop]: Abstraction has 7814 states and 10772 transitions. [2020-12-22 15:19:10,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:19:10,528 INFO L276 IsEmpty]: Start isEmpty. Operand 7814 states and 10772 transitions. [2020-12-22 15:19:10,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-22 15:19:10,531 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:19:10,532 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:19:10,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 15:19:10,532 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:19:10,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:19:10,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1429478067, now seen corresponding path program 1 times [2020-12-22 15:19:10,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:19:10,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295295235] [2020-12-22 15:19:10,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:19:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:19:11,820 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-22 15:19:11,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295295235] [2020-12-22 15:19:11,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:19:11,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 15:19:11,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39583380] [2020-12-22 15:19:11,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:19:11,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:19:11,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:19:11,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:19:11,823 INFO L87 Difference]: Start difference. First operand 7814 states and 10772 transitions. Second operand 3 states. [2020-12-22 15:19:12,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:19:12,416 INFO L93 Difference]: Finished difference Result 7814 states and 10772 transitions. [2020-12-22 15:19:12,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:19:12,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-12-22 15:19:12,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:19:12,437 INFO L225 Difference]: With dead ends: 7814 [2020-12-22 15:19:12,438 INFO L226 Difference]: Without dead ends: 7790 [2020-12-22 15:19:12,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:19:12,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7790 states. [2020-12-22 15:19:12,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7790 to 7790. [2020-12-22 15:19:12,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7790 states. [2020-12-22 15:19:12,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7790 states to 7790 states and 10712 transitions. [2020-12-22 15:19:12,857 INFO L78 Accepts]: Start accepts. Automaton has 7790 states and 10712 transitions. Word has length 143 [2020-12-22 15:19:12,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:19:12,858 INFO L481 AbstractCegarLoop]: Abstraction has 7790 states and 10712 transitions. [2020-12-22 15:19:12,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:19:12,859 INFO L276 IsEmpty]: Start isEmpty. Operand 7790 states and 10712 transitions. [2020-12-22 15:19:12,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-22 15:19:12,865 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:19:12,865 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:19:12,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 15:19:12,866 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:19:12,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:19:12,866 INFO L82 PathProgramCache]: Analyzing trace with hash 975428840, now seen corresponding path program 1 times [2020-12-22 15:19:12,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:19:12,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831992824] [2020-12-22 15:19:12,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:19:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:19:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:19:14,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831992824] [2020-12-22 15:19:14,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:19:14,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:19:14,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082159736] [2020-12-22 15:19:14,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:19:14,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:19:14,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:19:14,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:19:14,033 INFO L87 Difference]: Start difference. First operand 7790 states and 10712 transitions. Second operand 3 states. [2020-12-22 15:19:17,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:19:17,082 INFO L93 Difference]: Finished difference Result 17882 states and 24605 transitions. [2020-12-22 15:19:17,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:19:17,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-12-22 15:19:17,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:19:17,106 INFO L225 Difference]: With dead ends: 17882 [2020-12-22 15:19:17,107 INFO L226 Difference]: Without dead ends: 10176 [2020-12-22 15:19:17,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:19:17,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10176 states. [2020-12-22 15:19:17,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10176 to 10112. [2020-12-22 15:19:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10112 states. [2020-12-22 15:19:17,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10112 states to 10112 states and 13808 transitions. [2020-12-22 15:19:17,464 INFO L78 Accepts]: Start accepts. Automaton has 10112 states and 13808 transitions. Word has length 148 [2020-12-22 15:19:17,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:19:17,464 INFO L481 AbstractCegarLoop]: Abstraction has 10112 states and 13808 transitions. [2020-12-22 15:19:17,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:19:17,464 INFO L276 IsEmpty]: Start isEmpty. Operand 10112 states and 13808 transitions. [2020-12-22 15:19:17,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-12-22 15:19:17,468 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:19:17,469 INFO L422 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:19:17,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 15:19:17,469 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:19:17,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:19:17,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1236843536, now seen corresponding path program 1 times [2020-12-22 15:19:17,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:19:17,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730131227] [2020-12-22 15:19:17,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:19:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:19:18,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:19:18,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730131227] [2020-12-22 15:19:18,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:19:18,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:19:18,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886999928] [2020-12-22 15:19:18,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:19:18,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:19:18,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:19:18,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:19:18,658 INFO L87 Difference]: Start difference. First operand 10112 states and 13808 transitions. Second operand 3 states. [2020-12-22 15:19:21,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:19:21,432 INFO L93 Difference]: Finished difference Result 23042 states and 31702 transitions. [2020-12-22 15:19:21,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:19:21,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-12-22 15:19:21,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:19:21,463 INFO L225 Difference]: With dead ends: 23042 [2020-12-22 15:19:21,463 INFO L226 Difference]: Without dead ends: 13014 [2020-12-22 15:19:21,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:19:21,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13014 states. [2020-12-22 15:19:21,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13014 to 13011. [2020-12-22 15:19:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13011 states. [2020-12-22 15:19:22,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13011 states to 13011 states and 17942 transitions. [2020-12-22 15:19:22,018 INFO L78 Accepts]: Start accepts. Automaton has 13011 states and 17942 transitions. Word has length 149 [2020-12-22 15:19:22,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:19:22,019 INFO L481 AbstractCegarLoop]: Abstraction has 13011 states and 17942 transitions. [2020-12-22 15:19:22,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:19:22,019 INFO L276 IsEmpty]: Start isEmpty. Operand 13011 states and 17942 transitions. [2020-12-22 15:19:22,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-22 15:19:22,026 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:19:22,027 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:19:22,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 15:19:22,027 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:19:22,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:19:22,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1569447921, now seen corresponding path program 1 times [2020-12-22 15:19:22,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:19:22,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849712585] [2020-12-22 15:19:22,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:19:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:19:22,914 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 15:19:22,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849712585] [2020-12-22 15:19:22,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:19:22,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 15:19:22,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961113433] [2020-12-22 15:19:22,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:19:22,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:19:22,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:19:22,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:19:22,917 INFO L87 Difference]: Start difference. First operand 13011 states and 17942 transitions. Second operand 4 states. [2020-12-22 15:19:26,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:19:26,035 INFO L93 Difference]: Finished difference Result 31435 states and 43274 transitions. [2020-12-22 15:19:26,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 15:19:26,037 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 159 [2020-12-22 15:19:26,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:19:26,084 INFO L225 Difference]: With dead ends: 31435 [2020-12-22 15:19:26,084 INFO L226 Difference]: Without dead ends: 18508 [2020-12-22 15:19:26,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:19:26,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18508 states. [2020-12-22 15:19:26,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18508 to 13023. [2020-12-22 15:19:26,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13023 states. [2020-12-22 15:19:26,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13023 states to 13023 states and 17954 transitions. [2020-12-22 15:19:26,797 INFO L78 Accepts]: Start accepts. Automaton has 13023 states and 17954 transitions. Word has length 159 [2020-12-22 15:19:26,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:19:26,797 INFO L481 AbstractCegarLoop]: Abstraction has 13023 states and 17954 transitions. [2020-12-22 15:19:26,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:19:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 13023 states and 17954 transitions. [2020-12-22 15:19:26,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-12-22 15:19:26,808 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:19:26,808 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:19:26,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 15:19:26,809 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:19:26,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:19:26,809 INFO L82 PathProgramCache]: Analyzing trace with hash 228838889, now seen corresponding path program 1 times [2020-12-22 15:19:26,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:19:26,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101092428] [2020-12-22 15:19:26,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:19:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:19:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-22 15:19:28,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101092428] [2020-12-22 15:19:28,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:19:28,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 15:19:28,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144928712] [2020-12-22 15:19:28,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:19:28,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:19:28,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:19:28,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:19:28,307 INFO L87 Difference]: Start difference. First operand 13023 states and 17954 transitions. Second operand 4 states. [2020-12-22 15:19:31,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:19:31,090 INFO L93 Difference]: Finished difference Result 26045 states and 35933 transitions. [2020-12-22 15:19:31,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 15:19:31,091 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 168 [2020-12-22 15:19:31,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:19:31,122 INFO L225 Difference]: With dead ends: 26045 [2020-12-22 15:19:31,123 INFO L226 Difference]: Without dead ends: 13099 [2020-12-22 15:19:31,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:19:31,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13099 states. [2020-12-22 15:19:31,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13099 to 13023. [2020-12-22 15:19:31,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13023 states. [2020-12-22 15:19:31,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13023 states to 13023 states and 17951 transitions. [2020-12-22 15:19:31,858 INFO L78 Accepts]: Start accepts. Automaton has 13023 states and 17951 transitions. Word has length 168 [2020-12-22 15:19:31,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:19:31,859 INFO L481 AbstractCegarLoop]: Abstraction has 13023 states and 17951 transitions. [2020-12-22 15:19:31,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:19:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 13023 states and 17951 transitions. [2020-12-22 15:19:31,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-12-22 15:19:31,869 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:19:31,870 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:19:31,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 15:19:31,870 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:19:31,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:19:31,871 INFO L82 PathProgramCache]: Analyzing trace with hash -987314837, now seen corresponding path program 1 times [2020-12-22 15:19:31,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:19:31,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222483852] [2020-12-22 15:19:31,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:19:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:19:33,174 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-22 15:19:33,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222483852] [2020-12-22 15:19:33,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:19:33,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 15:19:33,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013405207] [2020-12-22 15:19:33,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 15:19:33,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:19:33,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 15:19:33,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-22 15:19:33,177 INFO L87 Difference]: Start difference. First operand 13023 states and 17951 transitions. Second operand 7 states. [2020-12-22 15:19:36,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:19:36,987 INFO L93 Difference]: Finished difference Result 37923 states and 52573 transitions. [2020-12-22 15:19:36,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 15:19:36,988 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 168 [2020-12-22 15:19:36,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:19:37,044 INFO L225 Difference]: With dead ends: 37923 [2020-12-22 15:19:37,044 INFO L226 Difference]: Without dead ends: 24957 [2020-12-22 15:19:37,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-12-22 15:19:37,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24957 states. [2020-12-22 15:19:37,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24957 to 13023. [2020-12-22 15:19:37,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13023 states. [2020-12-22 15:19:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13023 states to 13023 states and 17948 transitions. [2020-12-22 15:19:37,693 INFO L78 Accepts]: Start accepts. Automaton has 13023 states and 17948 transitions. Word has length 168 [2020-12-22 15:19:37,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:19:37,693 INFO L481 AbstractCegarLoop]: Abstraction has 13023 states and 17948 transitions. [2020-12-22 15:19:37,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 15:19:37,693 INFO L276 IsEmpty]: Start isEmpty. Operand 13023 states and 17948 transitions. [2020-12-22 15:19:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-12-22 15:19:37,703 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:19:37,703 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:19:37,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 15:19:37,704 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:19:37,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:19:37,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1526404221, now seen corresponding path program 1 times [2020-12-22 15:19:37,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:19:37,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477700802] [2020-12-22 15:19:37,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:19:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:19:44,198 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-22 15:19:44,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477700802] [2020-12-22 15:19:44,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:19:44,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:19:44,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735428367] [2020-12-22 15:19:44,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:19:44,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:19:44,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:19:44,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:19:44,202 INFO L87 Difference]: Start difference. First operand 13023 states and 17948 transitions. Second operand 3 states. [2020-12-22 15:19:44,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:19:44,812 INFO L93 Difference]: Finished difference Result 26024 states and 35911 transitions. [2020-12-22 15:19:44,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:19:44,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-12-22 15:19:44,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:19:44,836 INFO L225 Difference]: With dead ends: 26024 [2020-12-22 15:19:44,836 INFO L226 Difference]: Without dead ends: 13061 [2020-12-22 15:19:44,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:19:44,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13061 states. [2020-12-22 15:19:45,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13061 to 13061. [2020-12-22 15:19:45,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13061 states. [2020-12-22 15:19:45,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13061 states to 13061 states and 17986 transitions. [2020-12-22 15:19:45,370 INFO L78 Accepts]: Start accepts. Automaton has 13061 states and 17986 transitions. Word has length 174 [2020-12-22 15:19:45,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:19:45,370 INFO L481 AbstractCegarLoop]: Abstraction has 13061 states and 17986 transitions. [2020-12-22 15:19:45,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:19:45,370 INFO L276 IsEmpty]: Start isEmpty. Operand 13061 states and 17986 transitions. [2020-12-22 15:19:45,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-22 15:19:45,381 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:19:45,381 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:19:45,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 15:19:45,382 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:19:45,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:19:45,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1851755403, now seen corresponding path program 1 times [2020-12-22 15:19:45,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:19:45,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511016722] [2020-12-22 15:19:45,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:19:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:19:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-22 15:19:52,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511016722] [2020-12-22 15:19:52,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164395433] [2020-12-22 15:19:52,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 15:19:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:19:55,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 6642 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-22 15:19:55,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 15:19:56,009 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 15:19:56,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 15:19:56,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2020-12-22 15:19:56,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6861871] [2020-12-22 15:19:56,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 15:19:56,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:19:56,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 15:19:56,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-22 15:19:56,012 INFO L87 Difference]: Start difference. First operand 13061 states and 17986 transitions. Second operand 5 states. [2020-12-22 15:19:58,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:19:58,930 INFO L93 Difference]: Finished difference Result 25994 states and 35834 transitions. [2020-12-22 15:19:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 15:19:58,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2020-12-22 15:19:58,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:19:58,963 INFO L225 Difference]: With dead ends: 25994 [2020-12-22 15:19:58,963 INFO L226 Difference]: Without dead ends: 13014 [2020-12-22 15:19:58,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-22 15:19:58,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13014 states. [2020-12-22 15:19:59,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13014 to 12980. [2020-12-22 15:19:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12980 states. [2020-12-22 15:19:59,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12980 states to 12980 states and 17899 transitions. [2020-12-22 15:19:59,862 INFO L78 Accepts]: Start accepts. Automaton has 12980 states and 17899 transitions. Word has length 182 [2020-12-22 15:19:59,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:19:59,863 INFO L481 AbstractCegarLoop]: Abstraction has 12980 states and 17899 transitions. [2020-12-22 15:19:59,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 15:19:59,863 INFO L276 IsEmpty]: Start isEmpty. Operand 12980 states and 17899 transitions. [2020-12-22 15:19:59,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-12-22 15:19:59,876 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:19:59,876 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:20:00,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-22 15:20:00,092 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:20:00,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:20:00,094 INFO L82 PathProgramCache]: Analyzing trace with hash 698481786, now seen corresponding path program 1 times [2020-12-22 15:20:00,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:20:00,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551818541] [2020-12-22 15:20:00,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:20:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:20:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-22 15:20:05,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551818541] [2020-12-22 15:20:05,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035022949] [2020-12-22 15:20:05,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 15:20:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:20:11,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 6751 conjuncts, 117 conjunts are in the unsatisfiable core [2020-12-22 15:20:11,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 15:20:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:12,567 WARN L197 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 55 [2020-12-22 15:20:12,568 INFO L348 Elim1Store]: treesize reduction 703, result has 11.2 percent of original size [2020-12-22 15:20:12,569 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 18 case distinctions, treesize of input 139 treesize of output 194 [2020-12-22 15:20:12,589 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:12,765 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-22 15:20:12,765 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:12,794 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:12,794 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:123, output treesize:140 [2020-12-22 15:20:13,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:13,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:13,590 WARN L197 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-12-22 15:20:13,591 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:13,592 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 52 treesize of output 294 [2020-12-22 15:20:13,609 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:14,160 WARN L197 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 81 [2020-12-22 15:20:14,161 INFO L625 ElimStorePlain]: treesize reduction 112, result has 56.9 percent of original size [2020-12-22 15:20:14,182 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:14,182 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:149, output treesize:148 [2020-12-22 15:20:14,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:14,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:14,829 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-12-22 15:20:14,830 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:14,830 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 52 treesize of output 294 [2020-12-22 15:20:14,844 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:15,395 WARN L197 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 81 [2020-12-22 15:20:15,396 INFO L625 ElimStorePlain]: treesize reduction 112, result has 56.9 percent of original size [2020-12-22 15:20:15,407 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:15,407 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:149, output treesize:148 [2020-12-22 15:20:15,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:16,068 WARN L197 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-12-22 15:20:16,069 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:16,070 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 52 treesize of output 308 [2020-12-22 15:20:16,080 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:16,634 WARN L197 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2020-12-22 15:20:16,637 INFO L625 ElimStorePlain]: treesize reduction 126, result has 53.5 percent of original size [2020-12-22 15:20:16,652 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:16,653 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:146, output treesize:145 [2020-12-22 15:20:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:17,421 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-12-22 15:20:17,423 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:17,423 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 52 treesize of output 308 [2020-12-22 15:20:17,433 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:17,975 WARN L197 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2020-12-22 15:20:17,976 INFO L625 ElimStorePlain]: treesize reduction 126, result has 53.5 percent of original size [2020-12-22 15:20:17,988 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:17,989 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:146, output treesize:145 [2020-12-22 15:20:18,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:18,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:18,599 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-12-22 15:20:18,600 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:18,601 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 52 treesize of output 294 [2020-12-22 15:20:18,612 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:19,195 WARN L197 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 81 [2020-12-22 15:20:19,196 INFO L625 ElimStorePlain]: treesize reduction 112, result has 56.9 percent of original size [2020-12-22 15:20:19,206 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:19,207 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:149, output treesize:148 [2020-12-22 15:20:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:19,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:19,867 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-12-22 15:20:19,868 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:19,869 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 52 treesize of output 294 [2020-12-22 15:20:19,877 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:20,448 WARN L197 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 81 [2020-12-22 15:20:20,449 INFO L625 ElimStorePlain]: treesize reduction 112, result has 56.9 percent of original size [2020-12-22 15:20:20,461 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:20,462 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:149, output treesize:148 [2020-12-22 15:20:20,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:20,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:21,071 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-12-22 15:20:21,072 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:21,072 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 52 treesize of output 294 [2020-12-22 15:20:21,083 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:21,645 WARN L197 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 81 [2020-12-22 15:20:21,646 INFO L625 ElimStorePlain]: treesize reduction 112, result has 56.9 percent of original size [2020-12-22 15:20:21,658 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:21,658 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:149, output treesize:148 [2020-12-22 15:20:21,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:22,253 WARN L197 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-12-22 15:20:22,254 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:22,255 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 52 treesize of output 308 [2020-12-22 15:20:22,268 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:22,811 WARN L197 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2020-12-22 15:20:22,812 INFO L625 ElimStorePlain]: treesize reduction 126, result has 53.5 percent of original size [2020-12-22 15:20:22,820 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:22,821 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:146, output treesize:145 [2020-12-22 15:20:23,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:23,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:23,438 WARN L197 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-12-22 15:20:23,438 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:23,439 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 52 treesize of output 294 [2020-12-22 15:20:23,457 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:24,043 WARN L197 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 81 [2020-12-22 15:20:24,044 INFO L625 ElimStorePlain]: treesize reduction 112, result has 56.9 percent of original size [2020-12-22 15:20:24,052 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:24,052 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:149, output treesize:148 [2020-12-22 15:20:24,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:24,763 WARN L197 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-12-22 15:20:24,764 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:24,764 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 52 treesize of output 308 [2020-12-22 15:20:24,774 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:25,344 WARN L197 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2020-12-22 15:20:25,345 INFO L625 ElimStorePlain]: treesize reduction 126, result has 53.5 percent of original size [2020-12-22 15:20:25,353 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:25,353 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:146, output treesize:145 [2020-12-22 15:20:25,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:25,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:25,956 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-12-22 15:20:25,956 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:25,957 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 52 treesize of output 294 [2020-12-22 15:20:25,970 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:26,564 WARN L197 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 81 [2020-12-22 15:20:26,564 INFO L625 ElimStorePlain]: treesize reduction 112, result has 56.9 percent of original size [2020-12-22 15:20:26,573 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:26,573 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:149, output treesize:148 [2020-12-22 15:20:26,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:26,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:27,157 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-12-22 15:20:27,158 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:27,159 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 52 treesize of output 294 [2020-12-22 15:20:27,166 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:27,763 WARN L197 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 81 [2020-12-22 15:20:27,764 INFO L625 ElimStorePlain]: treesize reduction 112, result has 56.9 percent of original size [2020-12-22 15:20:27,773 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:27,773 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:149, output treesize:148 [2020-12-22 15:20:27,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:20:28,382 WARN L197 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-12-22 15:20:28,383 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:28,383 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 52 treesize of output 308 [2020-12-22 15:20:28,392 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:28,957 WARN L197 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 80 [2020-12-22 15:20:28,958 INFO L625 ElimStorePlain]: treesize reduction 126, result has 53.5 percent of original size [2020-12-22 15:20:28,966 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:28,967 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:146, output treesize:145 [2020-12-22 15:20:29,581 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-12-22 15:20:29,612 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2020-12-22 15:20:29,613 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:29,809 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-22 15:20:29,809 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:29,817 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:29,817 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:151, output treesize:147 [2020-12-22 15:20:30,216 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:30,217 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 48 [2020-12-22 15:20:30,228 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:30,664 WARN L197 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2020-12-22 15:20:30,665 INFO L625 ElimStorePlain]: treesize reduction 28, result has 84.8 percent of original size [2020-12-22 15:20:30,674 INFO L547 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:30,674 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:160, output treesize:156 [2020-12-22 15:20:30,985 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-22 15:20:30,987 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:31,197 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-22 15:20:31,198 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:31,208 INFO L547 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:31,208 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:160, output treesize:147 [2020-12-22 15:20:31,681 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-22 15:20:34,126 WARN L197 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 87 [2020-12-22 15:20:34,173 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-22 15:20:34,175 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:34,379 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-22 15:20:34,380 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:34,394 INFO L547 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:34,395 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 11 variables, input treesize:160, output treesize:147 [2020-12-22 15:20:41,268 WARN L197 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 87 [2020-12-22 15:20:43,945 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-22 15:20:43,947 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:20:44,142 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-22 15:20:44,143 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:20:44,159 INFO L547 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2020-12-22 15:20:44,160 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 12 variables, input treesize:160, output treesize:147 [2020-12-22 15:21:47,809 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-22 15:21:48,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:21:48,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-22 15:21:48,967 WARN L197 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-12-22 15:21:48,967 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-22 15:21:48,968 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 24 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 52 treesize of output 294 [2020-12-22 15:21:48,976 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-22 15:21:49,577 WARN L197 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 89 [2020-12-22 15:21:49,578 INFO L625 ElimStorePlain]: treesize reduction 112, result has 58.5 percent of original size [2020-12-22 15:21:49,588 INFO L547 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, End of recursive call: 9 dim-0 vars, and 1 xjuncts. [2020-12-22 15:21:49,588 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:159, output treesize:158 [2020-12-22 15:21:50,117 WARN L197 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2020-12-22 15:21:51,081 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-22 15:21:51,819 WARN L197 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 89