/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:35:55,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 22:35:55,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 22:35:55,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 22:35:55,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 22:35:55,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 22:35:55,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 22:35:55,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 22:35:55,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 22:35:55,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 22:35:55,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 22:35:55,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 22:35:55,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 22:35:55,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 22:35:55,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 22:35:55,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 22:35:55,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 22:35:55,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 22:35:55,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 22:35:55,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 22:35:55,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 22:35:55,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 22:35:55,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 22:35:55,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 22:35:55,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 22:35:55,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 22:35:55,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 22:35:55,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 22:35:55,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 22:35:55,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 22:35:55,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 22:35:55,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 22:35:55,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 22:35:55,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 22:35:55,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 22:35:55,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 22:35:55,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 22:35:55,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 22:35:55,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 22:35:55,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 22:35:55,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 22:35:55,720 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 22:35:55,734 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:35:55,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:35:55,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:35:55,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:35:55,736 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:35:55,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:35:55,737 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:35:55,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:35:55,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:35:55,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:35:55,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:35:55,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:35:55,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:35:55,738 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:35:55,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:35:55,738 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:35:55,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:35:55,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:35:55,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:35:55,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:35:55,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:35:55,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:35:55,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:35:55,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:35:55,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:35:55,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:35:55,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:35:55,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:35:55,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:35:55,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 22:35:56,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:35:56,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:35:56,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:35:56,101 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:35:56,101 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:35:56,101 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i [2020-07-21 22:35:56,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a2c01305/df86b09c65054aa1a8014d8b4c11157b/FLAG300eeef26 [2020-07-21 22:35:56,649 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:35:56,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/dll_of_dll-2.i [2020-07-21 22:35:56,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a2c01305/df86b09c65054aa1a8014d8b4c11157b/FLAG300eeef26 [2020-07-21 22:35:57,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a2c01305/df86b09c65054aa1a8014d8b4c11157b [2020-07-21 22:35:57,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:35:57,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:35:57,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:35:57,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:35:57,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:35:57,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:57" (1/1) ... [2020-07-21 22:35:57,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1497b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:57, skipping insertion in model container [2020-07-21 22:35:57,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:57" (1/1) ... [2020-07-21 22:35:57,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:35:57,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:35:57,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:35:57,637 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:35:57,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:35:57,838 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:35:57,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:57 WrapperNode [2020-07-21 22:35:57,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:35:57,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:35:57,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:35:57,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:35:57,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:57" (1/1) ... [2020-07-21 22:35:57,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:57" (1/1) ... [2020-07-21 22:35:57,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:57" (1/1) ... [2020-07-21 22:35:57,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:57" (1/1) ... [2020-07-21 22:35:57,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:57" (1/1) ... [2020-07-21 22:35:57,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:57" (1/1) ... [2020-07-21 22:35:57,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:57" (1/1) ... [2020-07-21 22:35:57,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:35:57,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:35:57,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:35:57,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:35:57,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:57" (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 [2020-07-21 22:35:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:35:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:35:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-07-21 22:35:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-21 22:35:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-21 22:35:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-07-21 22:35:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2020-07-21 22:35:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2020-07-21 22:35:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2020-07-21 22:35:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2020-07-21 22:35:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2020-07-21 22:35:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2020-07-21 22:35:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2020-07-21 22:35:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2020-07-21 22:35:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2020-07-21 22:35:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2020-07-21 22:35:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2020-07-21 22:35:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2020-07-21 22:35:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2020-07-21 22:35:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2020-07-21 22:35:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2020-07-21 22:35:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:35:58,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:35:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-21 22:35:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-21 22:35:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-21 22:35:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-21 22:35:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-21 22:35:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-21 22:35:58,018 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-21 22:35:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-21 22:35:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-21 22:35:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-21 22:35:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-21 22:35:58,019 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-21 22:35:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-21 22:35:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-21 22:35:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-21 22:35:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-21 22:35:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-21 22:35:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-21 22:35:58,020 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-21 22:35:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-21 22:35:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-21 22:35:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-21 22:35:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-21 22:35:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-21 22:35:58,021 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-21 22:35:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-21 22:35:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-21 22:35:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-21 22:35:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-21 22:35:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-21 22:35:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-21 22:35:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-21 22:35:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-21 22:35:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-21 22:35:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-21 22:35:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-21 22:35:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-21 22:35:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-21 22:35:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-21 22:35:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-21 22:35:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-21 22:35:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-21 22:35:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-21 22:35:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-21 22:35:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-21 22:35:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-21 22:35:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-21 22:35:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-21 22:35:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-21 22:35:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-21 22:35:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-21 22:35:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-21 22:35:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 22:35:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-21 22:35:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-21 22:35:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 22:35:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-21 22:35:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-21 22:35:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-21 22:35:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-21 22:35:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-21 22:35:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-21 22:35:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-21 22:35:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-21 22:35:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-21 22:35:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 22:35:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-21 22:35:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-21 22:35:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-21 22:35:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-21 22:35:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-21 22:35:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-21 22:35:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-21 22:35:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-21 22:35:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-21 22:35:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-21 22:35:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-21 22:35:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-21 22:35:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-21 22:35:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-21 22:35:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-21 22:35:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-21 22:35:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-21 22:35:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-21 22:35:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-21 22:35:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-21 22:35:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-21 22:35:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-21 22:35:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-21 22:35:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-21 22:35:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-21 22:35:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-21 22:35:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-21 22:35:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-21 22:35:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-21 22:35:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-21 22:35:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-21 22:35:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-21 22:35:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-21 22:35:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-21 22:35:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-21 22:35:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-21 22:35:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-21 22:35:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-21 22:35:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-21 22:35:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 22:35:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-07-21 22:35:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2020-07-21 22:35:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 22:35:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 22:35:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2020-07-21 22:35:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2020-07-21 22:35:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 22:35:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2020-07-21 22:35:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 22:35:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-07-21 22:35:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-21 22:35:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 22:35:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2020-07-21 22:35:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2020-07-21 22:35:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2020-07-21 22:35:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2020-07-21 22:35:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2020-07-21 22:35:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2020-07-21 22:35:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2020-07-21 22:35:58,037 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2020-07-21 22:35:58,037 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2020-07-21 22:35:58,037 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2020-07-21 22:35:58,037 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2020-07-21 22:35:58,037 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:35:58,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:35:58,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:35:58,836 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:35:58,836 INFO L295 CfgBuilder]: Removed 38 assume(true) statements. [2020-07-21 22:35:58,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:58 BoogieIcfgContainer [2020-07-21 22:35:58,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:35:58,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:35:58,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:35:58,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:35:58,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:35:57" (1/3) ... [2020-07-21 22:35:58,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d38670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:58, skipping insertion in model container [2020-07-21 22:35:58,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:57" (2/3) ... [2020-07-21 22:35:58,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d38670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:58, skipping insertion in model container [2020-07-21 22:35:58,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:58" (3/3) ... [2020-07-21 22:35:58,849 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2020-07-21 22:35:58,859 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:35:58,866 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:35:58,878 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:35:58,903 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:35:58,903 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:35:58,903 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:35:58,903 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:35:58,904 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:35:58,904 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:35:58,904 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:35:58,904 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:35:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-07-21 22:35:58,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 22:35:58,935 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:35:58,936 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 22:35:58,937 INFO L427 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:35:58,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:35:58,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1405399524, now seen corresponding path program 1 times [2020-07-21 22:35:58,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:35:58,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257596484] [2020-07-21 22:35:58,953 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:35:59,164 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 22:35:59,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:35:59,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 22:35:59,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:35:59,298 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-21 22:35:59,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:35:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-21 22:35:59,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257596484] [2020-07-21 22:35:59,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:35:59,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 22:35:59,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290968095] [2020-07-21 22:35:59,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 22:35:59,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:35:59,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 22:35:59,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:35:59,636 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 6 states. [2020-07-21 22:35:59,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:35:59,883 INFO L93 Difference]: Finished difference Result 342 states and 541 transitions. [2020-07-21 22:35:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:35:59,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-07-21 22:35:59,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:35:59,904 INFO L225 Difference]: With dead ends: 342 [2020-07-21 22:35:59,905 INFO L226 Difference]: Without dead ends: 168 [2020-07-21 22:35:59,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 111 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:35:59,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-07-21 22:36:00,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2020-07-21 22:36:00,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-07-21 22:36:00,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 199 transitions. [2020-07-21 22:36:00,014 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 199 transitions. Word has length 59 [2020-07-21 22:36:00,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:36:00,015 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 199 transitions. [2020-07-21 22:36:00,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 22:36:00,015 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2020-07-21 22:36:00,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-21 22:36:00,021 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:36:00,022 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 22:36:00,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:36:00,238 INFO L427 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:36:00,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:36:00,239 INFO L82 PathProgramCache]: Analyzing trace with hash 586330229, now seen corresponding path program 1 times [2020-07-21 22:36:00,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:36:00,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2038864590] [2020-07-21 22:36:00,240 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:36:00,495 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 22:36:00,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:36:00,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 56 conjunts are in the unsatisfiable core [2020-07-21 22:36:00,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:36:00,566 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-07-21 22:36:00,567 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:36:00,575 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:36:00,578 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-07-21 22:36:00,579 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 22:36:00,613 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:36:00,614 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:36:00,615 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:7 [2020-07-21 22:36:02,788 WARN L860 $PredicateComparison]: unable to prove that (exists ((dll_insert_master_~item~1.base Int)) (and (<= (+ dll_insert_master_~item~1.base 1) |c_#StackHeapBarrier|) (= (select (select (store |c_old(#memory_$Pointer$.offset)| dll_insert_master_~item~1.base (store (store (store (select |c_old(#memory_$Pointer$.offset)| dll_insert_master_~item~1.base) 0 0) 4 0) 8 0)) |c_dll_insert_master_#in~dll.base|) |c_dll_insert_master_#in~dll.offset|) c_dll_insert_master_~next~3.offset) (= c_dll_insert_master_~next~3.base (select (select (store |c_old(#memory_$Pointer$.base)| dll_insert_master_~item~1.base (store (store (store (select |c_old(#memory_$Pointer$.base)| dll_insert_master_~item~1.base) 0 0) 4 0) 8 0)) |c_dll_insert_master_#in~dll.base|) |c_dll_insert_master_#in~dll.offset|)))) is different from true [2020-07-21 22:36:02,791 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:36:04,812 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((dll_insert_master_~item~1.base Int)) (and (not (= 0 (select (select (store |c_old(#memory_$Pointer$.offset)| dll_insert_master_~item~1.base (store (store (store (select |c_old(#memory_$Pointer$.offset)| dll_insert_master_~item~1.base) 0 0) 4 0) 8 0)) |c_dll_insert_master_#in~dll.base|) |c_dll_insert_master_#in~dll.offset|))) (<= (+ dll_insert_master_~item~1.base 1) |c_#StackHeapBarrier|))) (exists ((dll_insert_master_~item~1.base Int)) (and (not (= 0 (select (select (store |c_old(#memory_$Pointer$.base)| dll_insert_master_~item~1.base (store (store (store (select |c_old(#memory_$Pointer$.base)| dll_insert_master_~item~1.base) 0 0) 4 0) 8 0)) |c_dll_insert_master_#in~dll.base|) |c_dll_insert_master_#in~dll.offset|))) (<= (+ dll_insert_master_~item~1.base 1) |c_#StackHeapBarrier|)))) is different from true [2020-07-21 22:36:04,833 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2020-07-21 22:36:04,835 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:36:04,917 INFO L624 ElimStorePlain]: treesize reduction 16, result has 79.5 percent of original size [2020-07-21 22:36:04,927 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2020-07-21 22:36:04,928 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 22:36:05,020 INFO L624 ElimStorePlain]: treesize reduction 16, result has 80.7 percent of original size [2020-07-21 22:36:05,023 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 22:36:05,024 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:36:05,024 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:36:05,026 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:36:05,027 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:36:05,029 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 22:36:05,030 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:36:05,031 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:36:05,033 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:36:05,033 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:36:05,035 INFO L544 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:36:05,035 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:57, output treesize:1 [2020-07-21 22:36:07,080 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_4 Int)) (and (not (= 0 (select (select (store |c_old(#memory_$Pointer$.base)| v_prenex_4 (store (store (store (select |c_old(#memory_$Pointer$.base)| v_prenex_4) 0 0) 4 0) 8 0)) |c_dll_insert_master_#in~dll.base|) |c_dll_insert_master_#in~dll.offset|))) (<= (+ v_prenex_4 1) |c_#StackHeapBarrier|))) (exists ((dll_insert_master_~item~1.base Int)) (and (not (= 0 (select (select (store |c_old(#memory_$Pointer$.offset)| dll_insert_master_~item~1.base (store (store (store (select |c_old(#memory_$Pointer$.offset)| dll_insert_master_~item~1.base) 0 0) 4 0) 8 0)) |c_dll_insert_master_#in~dll.base|) |c_dll_insert_master_#in~dll.offset|))) (<= (+ dll_insert_master_~item~1.base 1) |c_#StackHeapBarrier|)))) is different from true [2020-07-21 22:36:09,133 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_4 Int)) (and (not (= 0 (select (select (store |c_old(#memory_$Pointer$.base)| v_prenex_4 (store (store (store (select |c_old(#memory_$Pointer$.base)| v_prenex_4) 0 0) 4 0) 8 0)) |c_##fun~$Pointer$~TO~VOID_#in~9.base|) |c_##fun~$Pointer$~TO~VOID_#in~9.offset|))) (<= (+ v_prenex_4 1) |c_#StackHeapBarrier|))) (exists ((dll_insert_master_~item~1.base Int)) (and (not (= 0 (select (select (store |c_old(#memory_$Pointer$.offset)| dll_insert_master_~item~1.base (store (store (store (select |c_old(#memory_$Pointer$.offset)| dll_insert_master_~item~1.base) 0 0) 4 0) 8 0)) |c_##fun~$Pointer$~TO~VOID_#in~9.base|) |c_##fun~$Pointer$~TO~VOID_#in~9.offset|))) (<= (+ dll_insert_master_~item~1.base 1) |c_#StackHeapBarrier|)))) is different from true [2020-07-21 22:36:09,141 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:36:09,146 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:36:09,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:36:09,161 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:36:09,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-07-21 22:36:09,176 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 22:36:09,178 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:36:09,178 INFO L512 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_BEFORE_CALL_6| vanished before elimination [2020-07-21 22:36:09,178 INFO L544 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:36:09,178 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:91, output treesize:1 [2020-07-21 22:36:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 126 proven. 5 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-07-21 22:36:09,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:36:11,086 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:36:13,104 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_dll_insert_master_~item~1.base_35 Int)) (or (= 0 (select (select (store |c_#memory_$Pointer$.offset| v_dll_insert_master_~item~1.base_35 (store (store (store (select |c_#memory_$Pointer$.offset| v_dll_insert_master_~item~1.base_35) 0 0) 4 0) 8 0)) |c_dll_create_generic_~#dll~0.base|) |c_dll_create_generic_~#dll~0.offset|)) (< |c_#StackHeapBarrier| (+ v_dll_insert_master_~item~1.base_35 1)))) (forall ((v_dll_insert_master_~item~1.base_35 Int)) (or (< |c_#StackHeapBarrier| (+ v_dll_insert_master_~item~1.base_35 1)) (= 0 (select (select (store |c_#memory_$Pointer$.base| v_dll_insert_master_~item~1.base_35 (store (store (store (select |c_#memory_$Pointer$.base| v_dll_insert_master_~item~1.base_35) 0 0) 4 0) 8 0)) |c_dll_create_generic_~#dll~0.base|) |c_dll_create_generic_~#dll~0.offset|))))) is different from false [2020-07-21 22:36:13,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2038864590] [2020-07-21 22:36:13,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-21 22:36:13,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-07-21 22:36:13,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778891965] [2020-07-21 22:36:13,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-21 22:36:13,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:36:13,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-21 22:36:13,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=59, Unknown=5, NotChecked=90, Total=182 [2020-07-21 22:36:13,113 INFO L87 Difference]: Start difference. First operand 168 states and 199 transitions. Second operand 13 states. [2020-07-21 22:36:14,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:36:14,372 INFO L93 Difference]: Finished difference Result 337 states and 403 transitions. [2020-07-21 22:36:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-21 22:36:14,374 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 154 [2020-07-21 22:36:14,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:36:14,377 INFO L225 Difference]: With dead ends: 337 [2020-07-21 22:36:14,377 INFO L226 Difference]: Without dead ends: 178 [2020-07-21 22:36:14,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=32, Invalid=73, Unknown=5, NotChecked=100, Total=210 [2020-07-21 22:36:14,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-07-21 22:36:14,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 174. [2020-07-21 22:36:14,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-07-21 22:36:14,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 207 transitions. [2020-07-21 22:36:14,400 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 207 transitions. Word has length 154 [2020-07-21 22:36:14,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:36:14,400 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 207 transitions. [2020-07-21 22:36:14,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-21 22:36:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 207 transitions. [2020-07-21 22:36:14,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-21 22:36:14,405 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:36:14,406 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 22:36:14,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:36:14,613 INFO L427 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:36:14,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:36:14,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1523736395, now seen corresponding path program 1 times [2020-07-21 22:36:14,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:36:14,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454834992] [2020-07-21 22:36:14,616 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:36:14,870 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:36:14,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:36:14,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 64 conjunts are in the unsatisfiable core [2020-07-21 22:36:14,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:36:14,971 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2020-07-21 22:36:14,972 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:36:14,975 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:36:14,975 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:36:14,976 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2020-07-21 22:36:15,037 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2020-07-21 22:36:15,038 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:36:15,043 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:36:15,044 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:36:15,044 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2020-07-21 22:36:15,967 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-07-21 22:36:16,635 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-07-21 22:36:18,146 WARN L860 $PredicateComparison]: unable to prove that (exists ((alloc_or_die_slave_~ptr~0.offset Int) (dll_insert_slave_~item~0.base Int)) (and (<= (+ dll_insert_slave_~item~0.base 1) |c_#StackHeapBarrier|) (= (select (select (store |c_old(#memory_$Pointer$.base)| dll_insert_slave_~item~0.base (store (select |c_old(#memory_$Pointer$.base)| dll_insert_slave_~item~0.base) alloc_or_die_slave_~ptr~0.offset 0)) |c_dll_insert_slave_#in~dll.base|) |c_dll_insert_slave_#in~dll.offset|) c_dll_insert_slave_~next~0.base))) is different from true [2020-07-21 22:36:19,578 WARN L860 $PredicateComparison]: unable to prove that (exists ((alloc_or_die_slave_~ptr~0.offset Int) (dll_insert_slave_~item~0.base Int)) (and (= 0 (select (select (store |c_old(#memory_$Pointer$.base)| dll_insert_slave_~item~0.base (store (select |c_old(#memory_$Pointer$.base)| dll_insert_slave_~item~0.base) alloc_or_die_slave_~ptr~0.offset 0)) |c_dll_insert_slave_#in~dll.base|) |c_dll_insert_slave_#in~dll.offset|)) (<= (+ dll_insert_slave_~item~0.base 1) |c_#StackHeapBarrier|))) is different from true [2020-07-21 22:36:21,590 WARN L860 $PredicateComparison]: unable to prove that (exists ((alloc_or_die_slave_~ptr~0.offset Int) (dll_insert_slave_~item~0.base Int)) (and (<= (+ dll_insert_slave_~item~0.base 1) |c_#StackHeapBarrier|) (= 0 (select (select (store |c_old(#memory_$Pointer$.base)| dll_insert_slave_~item~0.base (store (select |c_old(#memory_$Pointer$.base)| dll_insert_slave_~item~0.base) alloc_or_die_slave_~ptr~0.offset 0)) |c_##fun~$Pointer$~TO~VOID_#in~9.base|) |c_##fun~$Pointer$~TO~VOID_#in~9.offset|)))) is different from true [2020-07-21 22:36:21,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:36:21,611 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:36:21,612 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:36:21,612 INFO L544 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:36:21,612 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:32, output treesize:1 [2020-07-21 22:36:21,645 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 6 not checked. [2020-07-21 22:36:21,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:36:26,189 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_dll_insert_slave_~item~0.base_231 Int) (v_alloc_or_die_slave_~ptr~0.offset_253 Int)) (or (< |c_#StackHeapBarrier| (+ v_dll_insert_slave_~item~0.base_231 1)) (not (= 0 (select (select (store |c_#memory_$Pointer$.base| v_dll_insert_slave_~item~0.base_231 (store (select |c_#memory_$Pointer$.base| v_dll_insert_slave_~item~0.base_231) v_alloc_or_die_slave_~ptr~0.offset_253 0)) |c_dll_create_generic_~#dll~0.base|) |c_dll_create_generic_~#dll~0.offset|))))) is different from false [2020-07-21 22:36:26,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454834992] [2020-07-21 22:36:26,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-21 22:36:26,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-07-21 22:36:26,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607041274] [2020-07-21 22:36:26,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-21 22:36:26,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:36:26,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-21 22:36:26,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=302, Unknown=4, NotChecked=148, Total=506 [2020-07-21 22:36:26,194 INFO L87 Difference]: Start difference. First operand 174 states and 207 transitions. Second operand 22 states. [2020-07-21 22:36:27,257 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-07-21 22:36:28,161 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-07-21 22:36:31,317 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 26 [2020-07-21 22:36:39,000 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 25 [2020-07-21 22:36:42,702 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 22:36:50,763 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 22:36:55,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:36:55,879 INFO L93 Difference]: Finished difference Result 352 states and 433 transitions. [2020-07-21 22:36:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-21 22:36:55,882 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 154 [2020-07-21 22:36:55,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:36:55,885 INFO L225 Difference]: With dead ends: 352 [2020-07-21 22:36:55,885 INFO L226 Difference]: Without dead ends: 187 [2020-07-21 22:36:55,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 36.7s TimeCoverageRelationStatistics Valid=125, Invalid=933, Unknown=14, NotChecked=260, Total=1332 [2020-07-21 22:36:55,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-07-21 22:36:55,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 182. [2020-07-21 22:36:55,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-07-21 22:36:55,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 216 transitions. [2020-07-21 22:36:55,907 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 216 transitions. Word has length 154 [2020-07-21 22:36:55,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:36:55,908 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 216 transitions. [2020-07-21 22:36:55,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-21 22:36:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 216 transitions. [2020-07-21 22:36:55,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-21 22:36:55,911 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:36:55,911 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 22:36:56,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:36:56,129 INFO L427 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:36:56,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:36:56,129 INFO L82 PathProgramCache]: Analyzing trace with hash -2084601485, now seen corresponding path program 1 times [2020-07-21 22:36:56,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:36:56,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129720458] [2020-07-21 22:36:56,130 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:36:57,204 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:36:57,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:36:57,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 48 conjunts are in the unsatisfiable core [2020-07-21 22:36:57,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:36:57,330 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:36:57,331 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 47 [2020-07-21 22:36:57,332 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:36:57,362 INFO L624 ElimStorePlain]: treesize reduction 20, result has 60.8 percent of original size [2020-07-21 22:36:57,363 INFO L544 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:36:57,364 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:8 [2020-07-21 22:36:57,405 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2020-07-21 22:36:57,405 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:36:57,407 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:36:57,408 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:36:57,408 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2020-07-21 22:36:57,568 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-07-21 22:36:57,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:36:58,467 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 74 [2020-07-21 22:36:58,468 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-07-21 22:36:58,524 INFO L624 ElimStorePlain]: treesize reduction 38, result has 47.2 percent of original size [2020-07-21 22:36:58,527 INFO L544 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-07-21 22:36:58,528 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:7 [2020-07-21 22:36:58,537 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 174 [2020-07-21 22:36:58,539 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-07-21 22:36:58,651 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-07-21 22:36:58,652 INFO L624 ElimStorePlain]: treesize reduction 127, result has 21.6 percent of original size [2020-07-21 22:36:58,652 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-07-21 22:36:58,653 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:20 [2020-07-21 22:36:58,787 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 22:36:59,022 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-07-21 22:36:59,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129720458] [2020-07-21 22:36:59,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:36:59,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 21 [2020-07-21 22:36:59,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760402941] [2020-07-21 22:36:59,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 22:36:59,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:36:59,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 22:36:59,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=379, Unknown=0, NotChecked=0, Total=420 [2020-07-21 22:36:59,025 INFO L87 Difference]: Start difference. First operand 182 states and 216 transitions. Second operand 21 states. [2020-07-21 22:36:59,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:36:59,665 INFO L93 Difference]: Finished difference Result 313 states and 380 transitions. [2020-07-21 22:36:59,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-21 22:36:59,666 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 154 [2020-07-21 22:36:59,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:36:59,675 INFO L225 Difference]: With dead ends: 313 [2020-07-21 22:36:59,675 INFO L226 Difference]: Without dead ends: 243 [2020-07-21 22:36:59,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 287 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2020-07-21 22:36:59,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-07-21 22:36:59,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 209. [2020-07-21 22:36:59,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-07-21 22:36:59,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 249 transitions. [2020-07-21 22:36:59,729 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 249 transitions. Word has length 154 [2020-07-21 22:36:59,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:36:59,730 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 249 transitions. [2020-07-21 22:36:59,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 22:36:59,731 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 249 transitions. [2020-07-21 22:36:59,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-21 22:36:59,740 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:36:59,741 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 22:36:59,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:36:59,957 INFO L427 AbstractCegarLoop]: === Iteration 5 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:36:59,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:36:59,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1709746076, now seen corresponding path program 1 times [2020-07-21 22:36:59,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:36:59,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603605002] [2020-07-21 22:36:59,958 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:37:01,316 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:37:01,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:37:01,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 360 conjunts are in the unsatisfiable core [2020-07-21 22:37:01,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:37:01,371 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-07-21 22:37:01,372 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:01,375 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:01,376 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:37:01,376 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:7 [2020-07-21 22:37:01,408 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-07-21 22:37:01,408 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:01,414 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:01,415 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:37:01,415 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2020-07-21 22:37:01,503 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-07-21 22:37:01,504 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:01,510 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:01,511 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:37:01,511 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:3 [2020-07-21 22:37:01,553 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-07-21 22:37:01,553 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:01,557 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:01,558 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:37:01,560 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:3 [2020-07-21 22:37:01,773 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:01,774 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2020-07-21 22:37:01,774 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:01,780 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:01,780 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:37:01,780 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:20, output treesize:3 [2020-07-21 22:37:01,981 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-07-21 22:37:01,981 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:01,986 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:01,986 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-21 22:37:01,987 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:19 [2020-07-21 22:37:02,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:37:02,569 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-07-21 22:37:02,570 INFO L350 Elim1Store]: treesize reduction 19, result has 85.4 percent of original size [2020-07-21 22:37:02,571 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 48 treesize of output 140 [2020-07-21 22:37:02,573 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 22:37:02,573 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 22:37:02,574 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:37:02,575 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:02,700 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-07-21 22:37:02,701 INFO L624 ElimStorePlain]: treesize reduction 63, result has 51.2 percent of original size [2020-07-21 22:37:02,704 INFO L544 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-07-21 22:37:02,704 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:78, output treesize:66 [2020-07-21 22:37:02,814 INFO L440 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_1794|], 4=[|v_#memory_$Pointer$.offset_1687|]} [2020-07-21 22:37:02,847 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:02,848 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 39 [2020-07-21 22:37:02,848 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:02,940 INFO L624 ElimStorePlain]: treesize reduction 16, result has 87.0 percent of original size [2020-07-21 22:37:02,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:37:02,988 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:02,989 INFO L384 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 2 case distinctions, treesize of input 43 treesize of output 73 [2020-07-21 22:37:02,990 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:03,084 INFO L624 ElimStorePlain]: treesize reduction 48, result has 64.2 percent of original size [2020-07-21 22:37:03,087 INFO L544 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-07-21 22:37:03,087 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:112, output treesize:88 [2020-07-21 22:37:03,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:37:03,561 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:03,562 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2020-07-21 22:37:03,562 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:03,593 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:03,595 INFO L440 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_BEFORE_CALL_13|], 4=[|v_#memory_$Pointer$.offset_BEFORE_CALL_7|]} [2020-07-21 22:37:03,599 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2020-07-21 22:37:03,600 INFO L544 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-21 22:37:03,631 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:03,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:37:03,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:37:03,644 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:03,644 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2020-07-21 22:37:03,645 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:03,670 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:03,671 INFO L544 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:37:03,672 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:100, output treesize:10 [2020-07-21 22:37:08,579 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 22:37:08,585 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-07-21 22:37:08,586 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:08,591 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:08,591 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:37:08,592 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:7 [2020-07-21 22:37:09,811 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-07-21 22:37:09,821 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-07-21 22:37:09,822 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:09,835 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:09,836 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-21 22:37:09,837 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:53, output treesize:49 [2020-07-21 22:37:10,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:37:10,216 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-07-21 22:37:10,217 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:10,225 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:10,229 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-07-21 22:37:10,229 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 22:37:10,236 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:37:10,237 INFO L544 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:37:10,237 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:31, output treesize:10 [2020-07-21 22:37:11,725 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-07-21 22:37:15,907 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 37 [2020-07-21 22:38:04,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:38:04,638 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 763 treesize of output 751 [2020-07-21 22:38:04,639 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:38:04,667 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:38:04,669 INFO L544 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-07-21 22:38:04,670 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:807, output treesize:772 [2020-07-21 22:38:16,448 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:38:16,449 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 39 [2020-07-21 22:38:16,449 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:38:16,991 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2020-07-21 22:38:16,992 INFO L624 ElimStorePlain]: treesize reduction 16, result has 100.0 percent of original size [2020-07-21 22:38:17,006 INFO L544 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: 9 dim-0 vars, and 1 xjuncts. [2020-07-21 22:38:17,007 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 11 variables, input treesize:47601, output treesize:47581 [2020-07-21 22:39:01,113 WARN L193 SmtUtils]: Spent 18.64 s on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:40:22,438 WARN L193 SmtUtils]: Spent 18.75 s on a formula simplification that was a NOOP. DAG size: 78 [2020-07-21 22:40:22,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:22,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:22,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:22,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:22,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:22,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:22,911 INFO L244 Elim1Store]: Index analysis took 297 ms [2020-07-21 22:40:22,980 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:40:22,980 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 8 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 52 treesize of output 158 [2020-07-21 22:40:22,983 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-21 22:40:22,983 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:22,983 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 22:40:22,983 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 22:40:22,984 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:40:22,985 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:40:23,604 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-21 22:40:23,605 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:40:23,610 INFO L440 ElimStorePlain]: Different costs {6=[|v_old(#memory_$Pointer$.offset)_AFTER_CALL_104|], 77=[|v_#memory_$Pointer$.base_BEFORE_CALL_34|]} [2020-07-21 22:40:23,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:23,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:23,658 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:40:23,659 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2020-07-21 22:40:23,659 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 22:40:24,229 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-21 22:40:24,230 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:40:24,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:24,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:24,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:24,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:24,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:24,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:24,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:24,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:24,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:24,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:24,720 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2020-07-21 22:40:24,721 INFO L350 Elim1Store]: treesize reduction 240, result has 60.1 percent of original size [2020-07-21 22:40:24,722 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 8803 treesize of output 426 [2020-07-21 22:40:24,726 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[17, 7, 2, 1] term [2020-07-21 22:40:24,726 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 17 disjuncts [2020-07-21 22:40:24,728 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 22:40:25,107 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 98 [2020-07-21 22:40:25,108 INFO L624 ElimStorePlain]: treesize reduction 391, result has 34.8 percent of original size [2020-07-21 22:40:25,112 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:40:25,113 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:40:25,114 INFO L544 ElimStorePlain]: Start of recursive call 1: 13 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2020-07-21 22:40:25,114 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 16 variables, input treesize:47674, output treesize:194 [2020-07-21 22:40:25,115 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:40:25,116 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:40:25,516 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:40:25,517 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:40:26,003 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:40:26,004 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:40:26,537 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:40:26,537 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:40:26,539 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:40:26,539 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:40:26,555 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-07-21 22:40:26,555 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:40:26,564 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-07-21 22:40:26,565 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 22:40:26,572 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-07-21 22:40:26,573 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 22:40:26,581 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-07-21 22:40:26,582 INFO L544 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-07-21 22:40:26,894 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-21 22:40:26,895 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:40:26,904 INFO L544 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 18 dim-0 vars, and 4 xjuncts. [2020-07-21 22:40:26,904 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:723, output treesize:679 [2020-07-21 22:40:27,661 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 89 [2020-07-21 22:40:28,156 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-07-21 22:40:31,755 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 22:40:31,756 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:40:31,765 INFO L440 ElimStorePlain]: Different costs {14=[|#memory_$Pointer$.base|], 26=[v_prenex_21]} [2020-07-21 22:40:31,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:31,820 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:40:31,821 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 14 case distinctions, treesize of input 158 treesize of output 163 [2020-07-21 22:40:31,823 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-21 22:40:31,824 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-07-21 22:40:31,824 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-07-21 22:40:31,824 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-21 22:40:31,825 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-21 22:40:31,826 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:31,827 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-07-21 22:40:31,828 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:31,828 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:31,829 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 22:40:31,830 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:31,831 INFO L501 QuantifierPusher]: Distributing 5 conjuncts over 6 disjuncts [2020-07-21 22:40:31,832 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:31,832 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:31,832 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:31,833 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-21 22:40:31,834 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:31,834 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-21 22:40:31,835 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-21 22:40:31,835 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:31,836 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:31,837 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:31,837 INFO L501 QuantifierPusher]: Distributing 5 conjuncts over 6 disjuncts [2020-07-21 22:40:31,838 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-21 22:40:31,838 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:31,839 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-21 22:40:31,840 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:31,840 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:31,841 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:31,842 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:31,843 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:31,843 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:31,843 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:31,844 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-21 22:40:31,845 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-21 22:40:31,845 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:31,846 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:31,847 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:40:31,919 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:40:31,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:40:32,143 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-07-21 22:40:32,144 INFO L350 Elim1Store]: treesize reduction 24, result has 86.1 percent of original size [2020-07-21 22:40:32,144 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 169 treesize of output 212 [2020-07-21 22:40:32,147 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 12 disjuncts [2020-07-21 22:40:32,149 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 11 disjuncts [2020-07-21 22:40:32,149 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-07-21 22:40:32,150 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-07-21 22:40:32,150 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-07-21 22:40:32,150 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-07-21 22:40:32,151 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-07-21 22:40:32,151 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-07-21 22:40:32,152 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:32,153 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-21 22:40:32,153 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-07-21 22:40:32,154 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:32,154 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,155 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-07-21 22:40:32,156 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-07-21 22:40:32,158 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-07-21 22:40:32,159 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-07-21 22:40:32,159 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-07-21 22:40:32,160 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:32,162 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-07-21 22:40:32,163 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-07-21 22:40:32,163 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 10 disjuncts [2020-07-21 22:40:32,164 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-07-21 22:40:32,164 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-07-21 22:40:32,165 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-07-21 22:40:32,166 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:32,168 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-07-21 22:40:32,169 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 9 disjuncts [2020-07-21 22:40:32,169 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-07-21 22:40:32,170 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-07-21 22:40:32,171 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:32,171 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,173 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-07-21 22:40:32,173 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-07-21 22:40:32,174 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 7 disjuncts [2020-07-21 22:40:32,175 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:32,177 INFO L501 QuantifierPusher]: Distributing 8 conjuncts over 4 disjuncts [2020-07-21 22:40:32,177 INFO L501 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-07-21 22:40:32,178 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:32,178 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,179 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 22:40:32,180 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:32,180 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,181 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,182 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,182 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,183 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-07-21 22:40:32,184 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:32,184 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:32,185 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,186 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 8 disjuncts [2020-07-21 22:40:32,186 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-21 22:40:32,187 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-21 22:40:32,188 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,188 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,189 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-07-21 22:40:32,189 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-07-21 22:40:32,190 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:32,190 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,191 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 22:40:32,192 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:32,192 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,193 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:32,193 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:32,194 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,195 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:32,195 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,196 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:32,196 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:32,197 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,197 INFO L501 QuantifierPusher]: Distributing 6 conjuncts over 4 disjuncts [2020-07-21 22:40:32,198 INFO L501 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-07-21 22:40:32,199 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:32,199 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,200 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 22:40:32,200 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:32,201 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,201 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,202 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,203 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,203 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-07-21 22:40:32,204 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:32,204 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:32,205 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,206 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 22:40:32,206 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:32,207 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,208 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:32,208 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:32,209 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,210 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-07-21 22:40:32,210 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,211 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:32,211 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 22:40:32,212 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:40:32,215 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 22:40:32,349 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 28 [2020-07-21 22:40:32,350 INFO L624 ElimStorePlain]: treesize reduction 2256, result has 2.0 percent of original size [2020-07-21 22:40:32,351 INFO L544 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:40:32,351 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:338, output treesize:4 [2020-07-21 22:40:32,795 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 65 proven. 108 refuted. 2 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 22:40:32,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:40:34,914 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-21 22:40:36,637 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-21 22:40:40,049 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 148 [2020-07-21 22:40:40,502 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-21 22:40:41,451 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-21 22:40:42,180 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-07-21 22:40:43,189 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 116 [2020-07-21 22:40:43,575 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-21 22:40:44,121 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-21 22:40:44,619 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-21 22:40:48,292 WARN L193 SmtUtils]: Spent 3.67 s on a formula simplification that was a NOOP. DAG size: 171 [2020-07-21 22:40:49,368 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 130 [2020-07-21 22:40:50,645 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 134 [2020-07-21 22:40:51,853 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 134 [2020-07-21 22:40:53,212 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 138 [2020-07-21 22:40:54,288 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 130 [2020-07-21 22:40:55,433 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 134 [2020-07-21 22:40:56,662 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 134 [2020-07-21 22:40:57,997 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-21 22:40:59,408 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-07-21 22:40:59,878 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-21 22:41:03,033 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 148 [2020-07-21 22:41:03,563 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-21 22:41:04,533 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-21 22:41:05,242 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-07-21 22:41:05,928 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-21 22:41:06,396 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-21 22:41:07,043 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-21 22:41:07,644 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-21 22:41:11,328 WARN L193 SmtUtils]: Spent 3.68 s on a formula simplification that was a NOOP. DAG size: 171 [2020-07-21 22:41:12,454 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 130 [2020-07-21 22:41:13,674 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 134 [2020-07-21 22:41:14,938 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 134 [2020-07-21 22:41:16,724 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-21 22:41:20,028 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification that was a NOOP. DAG size: 148 [2020-07-21 22:41:20,500 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-21 22:41:21,503 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-21 22:41:22,297 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-07-21 22:41:23,151 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-21 22:41:23,496 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-21 22:41:24,080 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-21 22:41:24,614 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-21 22:41:24,638 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 22:41:24,640 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:41:24,918 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-21 22:41:24,918 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:41:24,922 INFO L544 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-2 vars, End of recursive call: 9 dim-0 vars, and 1 xjuncts. [2020-07-21 22:41:24,922 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:47825, output treesize:47585 [2020-07-21 22:41:44,633 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_dll_insert_slave_~item~0.offset_365 Int) (|v_dll_insert_master_#t~ret19.base_225| Int) (|v_dll_create_generic_~#dll~0.offset_254| Int) (v_dll_insert_slave_~next~0.base_370 Int) (v_dll_insert_slave_~item~0.base_542 Int) (v_dll_insert_slave_~item~0.base_543 Int) (v_dll_insert_master_~item~1.base_150 Int) (|v_##fun~$Pointer$~TO~VOID_#in~9.base_342| Int) (v_dll_insert_master_~next~3.offset_109 Int)) (let ((.cse0 (store (store |c_#valid| v_dll_insert_master_~item~1.base_150 1) |v_##fun~$Pointer$~TO~VOID_#in~9.base_342| 1))) (or (< 0 (select .cse0 v_dll_insert_slave_~item~0.base_542)) (<= |c_#StackHeapBarrier| v_dll_insert_slave_~item~0.base_543) (<= |c_#StackHeapBarrier| v_dll_insert_slave_~item~0.base_542) (<= |c_#StackHeapBarrier| v_dll_insert_master_~item~1.base_150) (<= |v_##fun~$Pointer$~TO~VOID_#in~9.base_342| |c_#StackHeapBarrier|) (not (= 0 (select (store .cse0 v_dll_insert_slave_~item~0.base_542 1) v_dll_insert_slave_~item~0.base_543))) (not (= 0 (select (select (let ((.cse1 (let ((.cse2 (let ((.cse3 (let ((.cse6 (let ((.cse8 (let ((.cse9 (let ((.cse12 (store (store (store (select |c_#memory_$Pointer$.base| v_dll_insert_master_~item~1.base_150) 0 0) 4 0) 8 0))) (let ((.cse11 (select (select (store |c_#memory_$Pointer$.base| v_dll_insert_master_~item~1.base_150 .cse12) |c_dll_create_generic_~#dll~0.base|) |c_dll_create_generic_~#dll~0.offset|))) (let ((.cse10 (store |c_#memory_$Pointer$.base| v_dll_insert_master_~item~1.base_150 (store .cse12 0 .cse11)))) (store .cse10 .cse11 (store (select .cse10 .cse11) (+ v_dll_insert_master_~next~3.offset_109 4) v_dll_insert_master_~item~1.base_150))))))) (store .cse9 v_dll_insert_slave_~item~0.base_542 (store (select .cse9 v_dll_insert_slave_~item~0.base_542) 0 v_dll_insert_slave_~next~0.base_370))))) (store .cse8 |v_##fun~$Pointer$~TO~VOID_#in~9.base_342| (store (select .cse8 |v_##fun~$Pointer$~TO~VOID_#in~9.base_342|) |v_dll_create_generic_~#dll~0.offset_254| v_dll_insert_slave_~item~0.base_542))))) (let ((.cse7 (store (select .cse6 v_dll_insert_slave_~item~0.base_543) 0 0))) (let ((.cse5 (select (select (store .cse6 v_dll_insert_slave_~item~0.base_543 .cse7) |v_##fun~$Pointer$~TO~VOID_#in~9.base_342|) |v_dll_create_generic_~#dll~0.offset_254|))) (let ((.cse4 (store .cse6 v_dll_insert_slave_~item~0.base_543 (store .cse7 v_dll_insert_slave_~item~0.offset_365 .cse5)))) (store .cse4 .cse5 (store (select .cse4 .cse5) 4 v_dll_insert_slave_~item~0.base_543)))))))) (store .cse3 |v_##fun~$Pointer$~TO~VOID_#in~9.base_342| (store (select .cse3 |v_##fun~$Pointer$~TO~VOID_#in~9.base_342|) |v_dll_create_generic_~#dll~0.offset_254| v_dll_insert_slave_~item~0.base_543))))) (store .cse2 v_dll_insert_master_~item~1.base_150 (store (select .cse2 v_dll_insert_master_~item~1.base_150) 8 |v_dll_insert_master_#t~ret19.base_225|))))) (store .cse1 |c_dll_create_generic_~#dll~0.base| (store (select .cse1 |c_dll_create_generic_~#dll~0.base|) |c_dll_create_generic_~#dll~0.offset| v_dll_insert_master_~item~1.base_150))) v_dll_insert_master_~item~1.base_150) 0))) (not (= (select |c_#valid| v_dll_insert_master_~item~1.base_150) 0))))) is different from false [2020-07-21 22:41:44,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603605002] [2020-07-21 22:41:44,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-21 22:41:44,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2020-07-21 22:41:44,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446384043] [2020-07-21 22:41:44,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 75 states [2020-07-21 22:41:44,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:41:44,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2020-07-21 22:41:44,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=6866, Unknown=42, NotChecked=166, Total=7310 [2020-07-21 22:41:44,654 INFO L87 Difference]: Start difference. First operand 209 states and 249 transitions. Second operand 75 states. [2020-07-21 22:43:19,972 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-07-21 22:43:33,920 WARN L193 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-07-21 22:44:02,885 WARN L193 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-07-21 22:49:23,315 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 104