/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 NUM_VARIABLES --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/loop-industry-pattern/ofuf_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 18:10:57,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 18:10:57,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 18:10:57,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 18:10:57,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 18:10:57,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 18:10:57,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 18:10:57,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 18:10:57,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 18:10:57,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 18:10:57,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 18:10:57,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 18:10:57,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 18:10:57,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 18:10:57,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 18:10:57,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 18:10:57,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 18:10:57,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 18:10:57,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 18:10:57,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 18:10:57,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 18:10:57,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 18:10:57,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 18:10:57,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 18:10:57,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 18:10:57,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 18:10:57,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 18:10:57,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 18:10:57,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 18:10:57,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 18:10:57,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 18:10:57,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 18:10:57,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 18:10:57,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 18:10:57,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 18:10:57,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 18:10:57,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 18:10:57,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 18:10:57,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 18:10:57,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 18:10:57,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 18:10:57,196 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 [2020-07-20 18:10:57,212 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 18:10:57,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 18:10:57,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 18:10:57,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 18:10:57,214 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 18:10:57,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 18:10:57,214 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 18:10:57,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 18:10:57,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 18:10:57,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 18:10:57,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 18:10:57,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 18:10:57,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 18:10:57,215 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 18:10:57,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 18:10:57,216 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 18:10:57,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 18:10:57,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 18:10:57,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 18:10:57,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 18:10:57,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 18:10:57,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 18:10:57,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 18:10:57,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 18:10:57,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 18:10:57,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 18:10:57,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:10:57,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 18:10:57,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 18:10:57,219 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 -> NUM_VARIABLES 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 [2020-07-20 18:10:57,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 18:10:57,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 18:10:57,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 18:10:57,558 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 18:10:57,559 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 18:10:57,559 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2020-07-20 18:10:57,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c7ad41c0/142a51fa35f34d5cbd772297db3325f2/FLAGe3caa56ea [2020-07-20 18:10:58,224 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 18:10:58,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2020-07-20 18:10:58,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c7ad41c0/142a51fa35f34d5cbd772297db3325f2/FLAGe3caa56ea [2020-07-20 18:10:58,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c7ad41c0/142a51fa35f34d5cbd772297db3325f2 [2020-07-20 18:10:58,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 18:10:58,535 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 18:10:58,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 18:10:58,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 18:10:58,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 18:10:58,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 06:10:58" (1/1) ... [2020-07-20 18:10:58,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a043a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:10:58, skipping insertion in model container [2020-07-20 18:10:58,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 06:10:58" (1/1) ... [2020-07-20 18:10:58,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 18:10:58,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 18:10:59,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 18:10:59,036 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 18:10:59,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 18:10:59,162 INFO L208 MainTranslator]: Completed translation [2020-07-20 18:10:59,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:10:59 WrapperNode [2020-07-20 18:10:59,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 18:10:59,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 18:10:59,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 18:10:59,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 18:10:59,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:10:59" (1/1) ... [2020-07-20 18:10:59,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:10:59" (1/1) ... [2020-07-20 18:10:59,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:10:59" (1/1) ... [2020-07-20 18:10:59,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:10:59" (1/1) ... [2020-07-20 18:10:59,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:10:59" (1/1) ... [2020-07-20 18:10:59,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:10:59" (1/1) ... [2020-07-20 18:10:59,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:10:59" (1/1) ... [2020-07-20 18:10:59,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 18:10:59,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 18:10:59,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 18:10:59,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 18:10:59,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:10:59" (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 [2020-07-20 18:10:59,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 18:10:59,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 18:10:59,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-20 18:10:59,342 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-07-20 18:10:59,342 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2020-07-20 18:10:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2020-07-20 18:10:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2020-07-20 18:10:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2020-07-20 18:10:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2020-07-20 18:10:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2020-07-20 18:10:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2020-07-20 18:10:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 18:10:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-20 18:10:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 18:10:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-20 18:10:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-20 18:10:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-07-20 18:10:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-07-20 18:10:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-20 18:10:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2020-07-20 18:10:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2020-07-20 18:10:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2020-07-20 18:10:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2020-07-20 18:10:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 18:10:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2020-07-20 18:10:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2020-07-20 18:10:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-20 18:10:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 18:10:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-20 18:10:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 18:10:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 18:10:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 18:10:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 18:10:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 18:10:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 18:10:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 18:10:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 18:10:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 18:10:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-20 18:10:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 18:11:00,399 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 18:11:00,400 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-20 18:11:00,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 06:11:00 BoogieIcfgContainer [2020-07-20 18:11:00,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 18:11:00,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 18:11:00,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 18:11:00,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 18:11:00,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 06:10:58" (1/3) ... [2020-07-20 18:11:00,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598418d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 06:11:00, skipping insertion in model container [2020-07-20 18:11:00,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:10:59" (2/3) ... [2020-07-20 18:11:00,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598418d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 06:11:00, skipping insertion in model container [2020-07-20 18:11:00,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 06:11:00" (3/3) ... [2020-07-20 18:11:00,416 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2020-07-20 18:11:00,428 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 18:11:00,437 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 18:11:00,451 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 18:11:00,476 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 18:11:00,476 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 18:11:00,476 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 18:11:00,477 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 18:11:00,477 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 18:11:00,477 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 18:11:00,477 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 18:11:00,477 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 18:11:00,502 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-07-20 18:11:00,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-20 18:11:00,513 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:11:00,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:11:00,515 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:11:00,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:11:00,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1652927245, now seen corresponding path program 1 times [2020-07-20 18:11:00,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:11:00,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1425853071] [2020-07-20 18:11:00,533 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 [2020-07-20 18:11:00,784 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 18:11:00,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:11:00,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 18:11:00,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:11:00,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:11:00,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:11:00,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1425853071] [2020-07-20 18:11:00,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:11:00,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 18:11:00,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732985135] [2020-07-20 18:11:00,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 18:11:00,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:11:00,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 18:11:00,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 18:11:00,896 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 4 states. [2020-07-20 18:11:01,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:11:01,011 INFO L93 Difference]: Finished difference Result 253 states and 380 transitions. [2020-07-20 18:11:01,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 18:11:01,013 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-07-20 18:11:01,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:11:01,027 INFO L225 Difference]: With dead ends: 253 [2020-07-20 18:11:01,027 INFO L226 Difference]: Without dead ends: 126 [2020-07-20 18:11:01,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 18:11:01,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-20 18:11:01,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-07-20 18:11:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-20 18:11:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 173 transitions. [2020-07-20 18:11:01,100 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 173 transitions. Word has length 39 [2020-07-20 18:11:01,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:11:01,101 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 173 transitions. [2020-07-20 18:11:01,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 18:11:01,101 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 173 transitions. [2020-07-20 18:11:01,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-20 18:11:01,106 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:11:01,106 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:11:01,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:11:01,322 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:11:01,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:11:01,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1319679577, now seen corresponding path program 1 times [2020-07-20 18:11:01,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:11:01,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784906854] [2020-07-20 18:11:01,325 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 [2020-07-20 18:11:01,474 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 18:11:01,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:11:01,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 18:11:01,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:11:01,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:11:01,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 18:11:01,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:11:01,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784906854] [2020-07-20 18:11:01,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 18:11:01,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2020-07-20 18:11:01,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998356122] [2020-07-20 18:11:01,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 18:11:01,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:11:01,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 18:11:01,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-20 18:11:01,624 INFO L87 Difference]: Start difference. First operand 126 states and 173 transitions. Second operand 10 states. [2020-07-20 18:11:02,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:11:02,058 INFO L93 Difference]: Finished difference Result 212 states and 283 transitions. [2020-07-20 18:11:02,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 18:11:02,059 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 43 [2020-07-20 18:11:02,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:11:02,064 INFO L225 Difference]: With dead ends: 212 [2020-07-20 18:11:02,064 INFO L226 Difference]: Without dead ends: 180 [2020-07-20 18:11:02,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2020-07-20 18:11:02,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-07-20 18:11:02,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 162. [2020-07-20 18:11:02,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-07-20 18:11:02,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 218 transitions. [2020-07-20 18:11:02,089 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 218 transitions. Word has length 43 [2020-07-20 18:11:02,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:11:02,089 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 218 transitions. [2020-07-20 18:11:02,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 18:11:02,089 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 218 transitions. [2020-07-20 18:11:02,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 18:11:02,092 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:11:02,093 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:11:02,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:11:02,307 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:11:02,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:11:02,307 INFO L82 PathProgramCache]: Analyzing trace with hash 18477287, now seen corresponding path program 2 times [2020-07-20 18:11:02,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:11:02,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941950789] [2020-07-20 18:11:02,308 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 [2020-07-20 18:11:02,552 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:11:02,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:11:02,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 18:11:02,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:11:02,579 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 18:11:02,580 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:11:02,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [941950789] [2020-07-20 18:11:02,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:11:02,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 18:11:02,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662377703] [2020-07-20 18:11:02,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 18:11:02,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:11:02,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 18:11:02,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:11:02,584 INFO L87 Difference]: Start difference. First operand 162 states and 218 transitions. Second operand 3 states. [2020-07-20 18:11:02,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:11:02,630 INFO L93 Difference]: Finished difference Result 330 states and 454 transitions. [2020-07-20 18:11:02,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 18:11:02,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 18:11:02,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:11:02,634 INFO L225 Difference]: With dead ends: 330 [2020-07-20 18:11:02,634 INFO L226 Difference]: Without dead ends: 183 [2020-07-20 18:11:02,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:11:02,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-07-20 18:11:02,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 163. [2020-07-20 18:11:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-20 18:11:02,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 219 transitions. [2020-07-20 18:11:02,652 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 219 transitions. Word has length 47 [2020-07-20 18:11:02,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:11:02,653 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 219 transitions. [2020-07-20 18:11:02,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 18:11:02,653 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 219 transitions. [2020-07-20 18:11:02,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-20 18:11:02,656 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:11:02,656 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:11:02,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:11:02,872 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:11:02,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:11:02,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1592320937, now seen corresponding path program 1 times [2020-07-20 18:11:02,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:11:02,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262042678] [2020-07-20 18:11:02,874 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 [2020-07-20 18:11:03,124 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:11:03,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:11:03,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 18:11:03,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:11:03,159 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 18:11:03,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 18:11:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 18:11:03,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262042678] [2020-07-20 18:11:03,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 18:11:03,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-07-20 18:11:03,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113259093] [2020-07-20 18:11:03,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 18:11:03,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:11:03,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 18:11:03,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-20 18:11:03,220 INFO L87 Difference]: Start difference. First operand 163 states and 219 transitions. Second operand 6 states. [2020-07-20 18:11:03,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:11:03,469 INFO L93 Difference]: Finished difference Result 392 states and 554 transitions. [2020-07-20 18:11:03,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 18:11:03,470 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-07-20 18:11:03,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:11:03,473 INFO L225 Difference]: With dead ends: 392 [2020-07-20 18:11:03,474 INFO L226 Difference]: Without dead ends: 245 [2020-07-20 18:11:03,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-07-20 18:11:03,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-07-20 18:11:03,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 169. [2020-07-20 18:11:03,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-07-20 18:11:03,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 225 transitions. [2020-07-20 18:11:03,504 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 225 transitions. Word has length 49 [2020-07-20 18:11:03,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:11:03,505 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 225 transitions. [2020-07-20 18:11:03,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 18:11:03,505 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 225 transitions. [2020-07-20 18:11:03,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-20 18:11:03,510 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:11:03,510 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:11:03,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:11:03,726 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:11:03,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:11:03,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1371256593, now seen corresponding path program 2 times [2020-07-20 18:11:03,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:11:03,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981479378] [2020-07-20 18:11:03,729 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 [2020-07-20 18:11:04,122 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:11:04,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:11:04,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 18:11:04,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:11:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-20 18:11:04,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:11:04,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981479378] [2020-07-20 18:11:04,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:11:04,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 18:11:04,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865734212] [2020-07-20 18:11:04,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 18:11:04,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:11:04,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 18:11:04,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:11:04,152 INFO L87 Difference]: Start difference. First operand 169 states and 225 transitions. Second operand 3 states. [2020-07-20 18:11:04,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:11:04,177 INFO L93 Difference]: Finished difference Result 262 states and 342 transitions. [2020-07-20 18:11:04,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 18:11:04,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-07-20 18:11:04,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:11:04,180 INFO L225 Difference]: With dead ends: 262 [2020-07-20 18:11:04,181 INFO L226 Difference]: Without dead ends: 177 [2020-07-20 18:11:04,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:11:04,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-07-20 18:11:04,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 169. [2020-07-20 18:11:04,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-07-20 18:11:04,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 224 transitions. [2020-07-20 18:11:04,196 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 224 transitions. Word has length 55 [2020-07-20 18:11:04,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:11:04,196 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 224 transitions. [2020-07-20 18:11:04,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 18:11:04,197 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 224 transitions. [2020-07-20 18:11:04,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 18:11:04,198 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:11:04,198 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:11:04,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:11:04,414 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:11:04,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:11:04,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1392725252, now seen corresponding path program 1 times [2020-07-20 18:11:04,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:11:04,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934870756] [2020-07-20 18:11:04,416 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:11:04,811 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:11:04,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:11:04,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 18:11:04,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:11:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-20 18:11:04,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:11:04,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934870756] [2020-07-20 18:11:04,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:11:04,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 18:11:04,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171822546] [2020-07-20 18:11:04,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 18:11:04,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:11:04,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 18:11:04,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:11:04,874 INFO L87 Difference]: Start difference. First operand 169 states and 224 transitions. Second operand 3 states. [2020-07-20 18:11:04,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:11:04,912 INFO L93 Difference]: Finished difference Result 272 states and 358 transitions. [2020-07-20 18:11:04,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 18:11:04,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 18:11:04,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:11:04,916 INFO L225 Difference]: With dead ends: 272 [2020-07-20 18:11:04,917 INFO L226 Difference]: Without dead ends: 187 [2020-07-20 18:11:04,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:11:04,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-07-20 18:11:04,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 170. [2020-07-20 18:11:04,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-20 18:11:04,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 225 transitions. [2020-07-20 18:11:04,940 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 225 transitions. Word has length 56 [2020-07-20 18:11:04,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:11:04,941 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 225 transitions. [2020-07-20 18:11:04,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 18:11:04,941 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 225 transitions. [2020-07-20 18:11:04,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 18:11:04,942 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:11:04,943 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:11:05,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:11:05,158 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:11:05,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:11:05,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1683290434, now seen corresponding path program 1 times [2020-07-20 18:11:05,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:11:05,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [623443822] [2020-07-20 18:11:05,160 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:11:05,846 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:11:05,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:11:05,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 57 conjunts are in the unsatisfiable core [2020-07-20 18:11:05,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:11:06,461 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 50 [2020-07-20 18:11:06,463 INFO L350 Elim1Store]: treesize reduction 916, result has 9.1 percent of original size [2020-07-20 18:11:06,465 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 11 case distinctions, treesize of input 468 treesize of output 521 [2020-07-20 18:11:06,478 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 10, 1] term [2020-07-20 18:11:06,478 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 18:11:06,483 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 10, 2, 9, 2, 2, 2, 2, 2, 5, 2, 5, 1] term [2020-07-20 18:11:06,483 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 18:11:06,487 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 10, 2, 9, 1] term [2020-07-20 18:11:06,487 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 18:11:06,493 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 10, 2, 9, 2, 2, 2, 5, 2, 5, 1] term [2020-07-20 18:11:06,494 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-20 18:11:06,501 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 18:11:06,915 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2020-07-20 18:11:06,917 INFO L624 ElimStorePlain]: treesize reduction 1254, result has 10.0 percent of original size [2020-07-20 18:11:06,925 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:06,936 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:06,942 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:06,951 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:06,955 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:06,959 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:06,965 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:06,975 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:06,980 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:06,986 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:06,994 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:06,998 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,002 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,014 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,017 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,020 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,024 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,035 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,039 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,043 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,046 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,053 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,061 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,063 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,065 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,067 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,068 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,070 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,080 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,084 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,085 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,087 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,090 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,093 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,095 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,097 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,098 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,101 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,106 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,109 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,110 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,112 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,115 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,117 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,118 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,120 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,122 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,126 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,127 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,139 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,141 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,144 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,145 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,150 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,158 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,160 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,162 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,166 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,169 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,172 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,174 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,176 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,181 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,190 INFO L544 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2020-07-20 18:11:07,190 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:95, output treesize:139 [2020-07-20 18:11:07,199 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,201 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,203 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,205 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,207 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,208 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,214 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,216 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,217 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,219 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,221 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,222 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,224 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,225 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,227 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,229 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,231 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,232 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,233 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,235 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,236 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,237 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,238 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,239 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,240 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,242 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,243 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,244 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,245 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,246 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,247 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,248 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,250 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,251 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,252 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,253 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,254 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,256 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,257 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,258 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,259 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,260 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,261 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,262 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,264 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,265 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,266 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,267 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,268 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,269 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,270 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,271 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,272 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,274 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,275 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,276 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,277 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,278 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,279 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,280 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,281 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,282 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,283 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,318 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,320 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,321 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,323 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,324 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,326 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,328 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,329 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,331 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,332 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,334 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,335 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,337 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,339 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,341 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,342 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,344 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,346 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,347 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,349 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,350 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,352 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,353 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,355 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,356 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,358 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,360 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,361 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,363 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,364 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,366 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,367 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,369 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,370 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,372 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,373 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,375 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,376 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,378 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,379 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,381 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,382 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,384 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,385 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,387 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,388 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,390 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,391 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,393 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,395 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,396 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,398 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,399 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,401 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,403 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,404 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,406 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,407 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,409 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,410 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,412 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,414 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:07,415 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 4 disjuncts [2020-07-20 18:11:10,367 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2020-07-20 18:11:10,390 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 18:11:10,392 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 18:11:10,472 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:11:10,473 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-07-20 18:11:10,474 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 18:11:10,526 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:11:10,527 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 72 [2020-07-20 18:11:10,528 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 18:11:10,617 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:11:10,631 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2020-07-20 18:11:10,632 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-20 18:11:10,640 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2020-07-20 18:11:10,641 INFO L544 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-07-20 18:11:10,714 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:11:10,716 INFO L544 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-07-20 18:11:10,716 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:139, output treesize:43 [2020-07-20 18:11:10,764 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 treesize of output 3 [2020-07-20 18:11:10,765 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 18:11:10,771 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:11:10,772 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 18:11:10,772 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2020-07-20 18:11:12,137 WARN L860 $PredicateComparison]: unable to prove that (exists ((Id_MCDC_97_~Id_MCDC_132~0 Int)) (= (store |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base| (let ((.cse0 (mod Id_MCDC_97_~Id_MCDC_132~0 256))) (store (select |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base|) (+ (* .cse0 4) |c_~#Id_MCDC_112~0.offset|) (+ .cse0 6656)))) |c_#memory_int|)) is different from true [2020-07-20 18:11:13,892 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_prenex_1 Int) (Id_MCDC_97_~Id_MCDC_132~0 Int)) (= (store |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base| (let ((.cse1 (mod Id_MCDC_97_~Id_MCDC_132~0 256))) (store (let ((.cse0 (mod v_prenex_1 256))) (store (select |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base|) (+ |c_~#Id_MCDC_112~0.offset| (* .cse0 4)) (+ .cse0 6656))) (+ (* .cse1 4) |c_~#Id_MCDC_112~0.offset|) (+ .cse1 6656)))) |c_#memory_int|)) is different from true [2020-07-20 18:11:15,900 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_prenex_2 Int) (v_prenex_1 Int) (Id_MCDC_97_~Id_MCDC_132~0 Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base| (let ((.cse2 (mod Id_MCDC_97_~Id_MCDC_132~0 256))) (store (let ((.cse1 (mod v_prenex_2 256))) (store (let ((.cse0 (mod v_prenex_1 256))) (store (select |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base|) (+ |c_~#Id_MCDC_112~0.offset| (* .cse0 4)) (+ .cse0 6656))) (+ |c_~#Id_MCDC_112~0.offset| (* .cse1 4)) (+ .cse1 6656))) (+ (* .cse2 4) |c_~#Id_MCDC_112~0.offset|) (+ .cse2 6656)))))) is different from true [2020-07-20 18:11:17,924 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_prenex_2 Int) (v_prenex_3 Int) (v_prenex_1 Int) (Id_MCDC_97_~Id_MCDC_132~0 Int)) (= (store |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base| (let ((.cse3 (mod Id_MCDC_97_~Id_MCDC_132~0 256))) (store (let ((.cse2 (mod v_prenex_3 256))) (store (let ((.cse1 (mod v_prenex_2 256))) (store (let ((.cse0 (mod v_prenex_1 256))) (store (select |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base|) (+ |c_~#Id_MCDC_112~0.offset| (* .cse0 4)) (+ .cse0 6656))) (+ |c_~#Id_MCDC_112~0.offset| (* .cse1 4)) (+ .cse1 6656))) (+ |c_~#Id_MCDC_112~0.offset| (* .cse2 4)) (+ .cse2 6656))) (+ (* .cse3 4) |c_~#Id_MCDC_112~0.offset|) (+ .cse3 6656)))) |c_#memory_int|)) is different from true [2020-07-20 18:11:18,049 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2020-07-20 18:11:18,050 INFO L350 Elim1Store]: treesize reduction 357, result has 12.7 percent of original size [2020-07-20 18:11:18,051 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 3 case distinctions, treesize of input 60 treesize of output 69 [2020-07-20 18:11:18,052 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 18:11:18,077 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:11:18,079 INFO L544 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-07-20 18:11:18,080 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:60, output treesize:69 [2020-07-20 18:11:24,233 WARN L193 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-07-20 18:11:24,406 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2020-07-20 18:11:24,407 INFO L350 Elim1Store]: treesize reduction 357, result has 12.7 percent of original size [2020-07-20 18:11:24,407 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 81 [2020-07-20 18:11:24,408 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 18:11:24,437 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:11:24,442 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. [2020-07-20 18:11:24,443 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:77, output treesize:85 [2020-07-20 18:11:25,273 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:11:25,274 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 155 [2020-07-20 18:11:25,276 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 18:11:25,292 INFO L624 ElimStorePlain]: treesize reduction 168, result has 4.5 percent of original size [2020-07-20 18:11:25,293 INFO L544 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 18:11:25,293 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:87, output treesize:3 [2020-07-20 18:11:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 16 not checked. [2020-07-20 18:11:25,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 18:11:40,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [623443822] [2020-07-20 18:11:40,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-20 18:11:40,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-07-20 18:11:40,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308321318] [2020-07-20 18:11:40,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 18:11:40,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:11:40,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 18:11:40,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=740, Unknown=10, NotChecked=228, Total=1056 [2020-07-20 18:11:40,025 INFO L87 Difference]: Start difference. First operand 170 states and 225 transitions. Second operand 22 states. [2020-07-20 18:13:19,363 WARN L193 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 22 DAG size of output: 17 [2020-07-20 18:13:37,554 WARN L193 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2020-07-20 18:13:59,797 WARN L193 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2020-07-20 18:15:09,018 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 50 [2020-07-20 18:15:39,667 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-07-20 18:16:06,160 WARN L193 SmtUtils]: Spent 4.09 s on a formula simplification that was a NOOP. DAG size: 61 [2020-07-20 18:16:54,028 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 52 [2020-07-20 18:17:22,560 WARN L193 SmtUtils]: Spent 4.09 s on a formula simplification that was a NOOP. DAG size: 62 [2020-07-20 18:18:05,580 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 51 [2020-07-20 18:18:20,030 WARN L193 SmtUtils]: Spent 4.12 s on a formula simplification that was a NOOP. DAG size: 61 [2020-07-20 18:18:46,872 WARN L193 SmtUtils]: Spent 4.12 s on a formula simplification that was a NOOP. DAG size: 63 [2020-07-20 18:21:44,397 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 52 [2020-07-20 18:21:53,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:21:53,457 INFO L93 Difference]: Finished difference Result 372 states and 492 transitions. [2020-07-20 18:21:53,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-20 18:21:53,460 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 61 [2020-07-20 18:21:53,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:21:53,463 INFO L225 Difference]: With dead ends: 372 [2020-07-20 18:21:53,463 INFO L226 Difference]: Without dead ends: 335 [2020-07-20 18:21:53,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 205.8s TimeCoverageRelationStatistics Valid=207, Invalid=1894, Unknown=77, NotChecked=372, Total=2550 [2020-07-20 18:21:53,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-07-20 18:21:53,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 326. [2020-07-20 18:21:53,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-07-20 18:21:53,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 436 transitions. [2020-07-20 18:21:53,492 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 436 transitions. Word has length 61 [2020-07-20 18:21:53,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:21:53,493 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 436 transitions. [2020-07-20 18:21:53,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-20 18:21:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 436 transitions. [2020-07-20 18:21:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 18:21:53,495 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:21:53,495 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:21:53,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:21:53,711 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:21:53,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:21:53,712 INFO L82 PathProgramCache]: Analyzing trace with hash -98285407, now seen corresponding path program 1 times [2020-07-20 18:21:53,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:21:53,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1799213619] [2020-07-20 18:21:53,712 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:21:54,410 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:21:54,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:21:54,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 54 conjunts are in the unsatisfiable core [2020-07-20 18:21:54,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:21:54,902 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 44 [2020-07-20 18:21:54,903 INFO L350 Elim1Store]: treesize reduction 916, result has 8.4 percent of original size [2020-07-20 18:21:54,904 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 9 case distinctions, treesize of input 33 treesize of output 89 [2020-07-20 18:21:54,904 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 18:21:55,007 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-07-20 18:21:55,008 INFO L624 ElimStorePlain]: treesize reduction 10, result has 88.8 percent of original size [2020-07-20 18:21:55,010 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,011 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,012 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,013 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,014 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,015 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,016 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,017 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,018 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,019 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,020 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,022 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,023 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,023 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,024 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,025 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,026 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,027 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,028 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,029 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,030 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,031 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,032 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,033 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,034 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,035 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,036 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,037 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,037 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,038 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,039 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,040 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,041 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,042 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,043 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,044 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,045 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,046 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,047 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,048 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,049 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,050 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,050 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,051 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,052 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,053 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,054 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,055 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,056 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,057 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,058 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,059 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,060 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,061 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,061 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,062 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,063 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,064 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,065 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,066 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,067 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,068 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,069 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,069 INFO L544 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2020-07-20 18:21:55,070 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:33, output treesize:79 [2020-07-20 18:21:55,070 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,071 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,072 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,073 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,073 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,074 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,075 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,075 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,076 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,077 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,077 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,078 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,078 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,079 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,080 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,081 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,081 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,082 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,083 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,084 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,084 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,085 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,086 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,087 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,087 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,088 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,089 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,090 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,090 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,091 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,092 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,092 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,093 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,094 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,094 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,095 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,096 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,096 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,097 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,098 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,099 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,100 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,101 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,103 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,104 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,105 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,106 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,107 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,108 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,109 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,110 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,111 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,112 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,113 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,114 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,115 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,116 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,117 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,118 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,119 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,119 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,120 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,121 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,171 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,172 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,173 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,174 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,175 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,176 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,177 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,178 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,179 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,180 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,181 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,182 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,182 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,183 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,184 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,185 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,186 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,187 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,188 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,189 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,190 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,192 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,192 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,193 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,194 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,195 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,196 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,197 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,198 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,199 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,200 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,201 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,202 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,203 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,204 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,205 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,206 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,207 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,208 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,208 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,209 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,211 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,211 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,212 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,213 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,214 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,215 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,216 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,216 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,217 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,218 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,219 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,220 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,221 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,222 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,223 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,225 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,226 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,227 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,227 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,228 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,230 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:55,231 INFO L501 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-07-20 18:21:58,372 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 18:21:58,374 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 18:21:58,438 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:21:58,438 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 21 treesize of output 61 [2020-07-20 18:21:58,440 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 18:21:58,440 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 18:21:58,441 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 18:21:58,442 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 18:21:58,487 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:21:58,488 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 21 treesize of output 61 [2020-07-20 18:21:58,489 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 18:21:58,490 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 18:21:58,491 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 18:21:58,492 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 18:21:58,588 INFO L624 ElimStorePlain]: treesize reduction 53, result has 43.0 percent of original size [2020-07-20 18:21:58,593 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2020-07-20 18:21:58,594 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-20 18:21:58,613 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:21:58,613 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 18:21:58,613 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:105, output treesize:17 [2020-07-20 18:21:58,650 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 treesize of output 3 [2020-07-20 18:21:58,651 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 18:21:58,656 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:21:58,656 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 18:21:58,657 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2020-07-20 18:22:00,720 WARN L860 $PredicateComparison]: unable to prove that (exists ((Id_MCDC_97_~Id_MCDC_132~0 Int)) (= (store |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base| (let ((.cse0 (mod Id_MCDC_97_~Id_MCDC_132~0 256))) (store (select |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base|) (+ (* .cse0 4) |c_~#Id_MCDC_112~0.offset|) (+ .cse0 6656)))) |c_#memory_int|)) is different from true [2020-07-20 18:22:02,736 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_prenex_5 Int) (Id_MCDC_97_~Id_MCDC_132~0 Int)) (= (store |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base| (let ((.cse1 (mod Id_MCDC_97_~Id_MCDC_132~0 256))) (store (let ((.cse0 (mod v_prenex_5 256))) (store (select |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base|) (+ |c_~#Id_MCDC_112~0.offset| (* .cse0 4)) (+ .cse0 6656))) (+ (* .cse1 4) |c_~#Id_MCDC_112~0.offset|) (+ .cse1 6656)))) |c_#memory_int|)) is different from true [2020-07-20 18:22:04,765 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_prenex_6 Int) (v_prenex_5 Int) (Id_MCDC_97_~Id_MCDC_132~0 Int)) (= (store |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base| (let ((.cse2 (mod Id_MCDC_97_~Id_MCDC_132~0 256))) (store (let ((.cse1 (mod v_prenex_6 256))) (store (let ((.cse0 (mod v_prenex_5 256))) (store (select |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base|) (+ |c_~#Id_MCDC_112~0.offset| (* .cse0 4)) (+ .cse0 6656))) (+ |c_~#Id_MCDC_112~0.offset| (* .cse1 4)) (+ .cse1 6656))) (+ (* .cse2 4) |c_~#Id_MCDC_112~0.offset|) (+ .cse2 6656)))) |c_#memory_int|)) is different from true [2020-07-20 18:22:06,798 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_prenex_6 Int) (v_prenex_7 Int) (v_prenex_5 Int) (Id_MCDC_97_~Id_MCDC_132~0 Int)) (= (store |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base| (let ((.cse3 (mod Id_MCDC_97_~Id_MCDC_132~0 256))) (store (let ((.cse2 (mod v_prenex_7 256))) (store (let ((.cse1 (mod v_prenex_6 256))) (store (let ((.cse0 (mod v_prenex_5 256))) (store (select |c_old(#memory_int)| |c_~#Id_MCDC_112~0.base|) (+ |c_~#Id_MCDC_112~0.offset| (* .cse0 4)) (+ .cse0 6656))) (+ |c_~#Id_MCDC_112~0.offset| (* .cse1 4)) (+ .cse1 6656))) (+ |c_~#Id_MCDC_112~0.offset| (* .cse2 4)) (+ .cse2 6656))) (+ (* .cse3 4) |c_~#Id_MCDC_112~0.offset|) (+ .cse3 6656)))) |c_#memory_int|)) is different from true [2020-07-20 18:22:07,017 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2020-07-20 18:22:07,018 INFO L350 Elim1Store]: treesize reduction 357, result has 12.7 percent of original size [2020-07-20 18:22:07,019 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 3 case distinctions, treesize of input 60 treesize of output 69 [2020-07-20 18:22:07,019 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 18:22:07,085 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:22:07,087 INFO L544 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-07-20 18:22:07,087 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:60, output treesize:69 [2020-07-20 18:22:13,565 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-07-20 18:22:13,752 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2020-07-20 18:22:13,753 INFO L350 Elim1Store]: treesize reduction 357, result has 12.7 percent of original size [2020-07-20 18:22:13,753 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 81 [2020-07-20 18:22:13,754 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 18:22:13,830 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:22:13,832 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. [2020-07-20 18:22:13,832 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:77, output treesize:85 [2020-07-20 18:22:15,569 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 18:22:15,569 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 155 [2020-07-20 18:22:15,571 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 18:22:15,593 INFO L624 ElimStorePlain]: treesize reduction 168, result has 4.5 percent of original size [2020-07-20 18:22:15,594 INFO L544 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 18:22:15,594 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:87, output treesize:3 [2020-07-20 18:22:16,042 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 16 not checked. [2020-07-20 18:22:16,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 18:22:21,973 WARN L838 $PredicateComparison]: unable to prove that (forall ((|~#Id_MCDC_112~0.offset| Int) (v_Id_MCDC_97_~Id_MCDC_132~0_49 Int) (v_Id_MCDC_97_~Id_MCDC_132~0_52 Int) (v_Id_MCDC_97_~Id_MCDC_132~0_50 Int) (Id_MCDC_92_~Id_MCDC_90 Int) (v_Id_MCDC_97_~Id_MCDC_132~0_51 Int)) (<= (mod (select (select (store |c_#memory_int| |c_~#Id_MCDC_112~0.base| (let ((.cse3 (mod v_Id_MCDC_97_~Id_MCDC_132~0_52 256))) (store (let ((.cse2 (mod v_Id_MCDC_97_~Id_MCDC_132~0_49 256))) (store (let ((.cse1 (mod v_Id_MCDC_97_~Id_MCDC_132~0_50 256))) (store (let ((.cse0 (mod v_Id_MCDC_97_~Id_MCDC_132~0_51 256))) (store (select |c_#memory_int| |c_~#Id_MCDC_112~0.base|) (+ |~#Id_MCDC_112~0.offset| (* .cse0 4)) (+ .cse0 6656))) (+ (* .cse1 4) |~#Id_MCDC_112~0.offset|) (+ .cse1 6656))) (+ |~#Id_MCDC_112~0.offset| (* .cse2 4)) (+ .cse2 6656))) (+ |~#Id_MCDC_112~0.offset| (* .cse3 4)) (+ .cse3 6656)))) |c_Id_MCDC_99_~#Id_MCDC_139~0.base|) (+ |c_Id_MCDC_99_~#Id_MCDC_139~0.offset| 3)) 4294967296) (mod Id_MCDC_92_~Id_MCDC_90 4294967296))) is different from false [2020-07-20 18:22:21,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1799213619] [2020-07-20 18:22:21,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-20 18:22:21,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-07-20 18:22:21,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237150887] [2020-07-20 18:22:21,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-20 18:22:21,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:22:21,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-20 18:22:21,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=693, Unknown=7, NotChecked=280, Total=1056 [2020-07-20 18:22:21,986 INFO L87 Difference]: Start difference. First operand 326 states and 436 transitions. Second operand 22 states. [2020-07-20 18:22:39,439 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-07-20 18:22:39,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:22:39,643 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:137) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:128) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:662) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:281) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:93) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:162) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:759) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:672) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:471) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Broken pipe at java.io.FileOutputStream.writeBytes(Native Method) at java.io.FileOutputStream.write(FileOutputStream.java:326) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 31 more [2020-07-20 18:22:39,653 INFO L168 Benchmark]: Toolchain (without parser) took 701116.49 ms. Allocated memory was 145.2 MB in the beginning and 296.7 MB in the end (delta: 151.5 MB). Free memory was 100.9 MB in the beginning and 109.2 MB in the end (delta: -8.3 MB). Peak memory consumption was 143.2 MB. Max. memory is 7.1 GB. [2020-07-20 18:22:39,654 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 18:22:39,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.55 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 100.5 MB in the beginning and 173.2 MB in the end (delta: -72.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2020-07-20 18:22:39,660 INFO L168 Benchmark]: Boogie Preprocessor took 104.62 ms. Allocated memory is still 202.4 MB. Free memory was 173.2 MB in the beginning and 168.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-20 18:22:39,660 INFO L168 Benchmark]: RCFGBuilder took 1137.49 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 106.8 MB in the end (delta: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 7.1 GB. [2020-07-20 18:22:39,661 INFO L168 Benchmark]: TraceAbstraction took 699240.84 ms. Allocated memory was 202.4 MB in the beginning and 296.7 MB in the end (delta: 94.4 MB). Free memory was 106.1 MB in the beginning and 109.2 MB in the end (delta: -3.1 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. [2020-07-20 18:22:39,670 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 626.55 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 100.5 MB in the beginning and 173.2 MB in the end (delta: -72.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.62 ms. Allocated memory is still 202.4 MB. Free memory was 173.2 MB in the beginning and 168.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1137.49 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 106.8 MB in the end (delta: 61.8 MB). Peak memory consumption was 61.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 699240.84 ms. Allocated memory was 202.4 MB in the beginning and 296.7 MB in the end (delta: 94.4 MB). Free memory was 106.1 MB in the beginning and 109.2 MB in the end (delta: -3.1 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...