/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 DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 20:49:17,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 20:49:17,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 20:49:17,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 20:49:17,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 20:49:17,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 20:49:17,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 20:49:17,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 20:49:17,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 20:49:17,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 20:49:17,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 20:49:17,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 20:49:17,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 20:49:17,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 20:49:17,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 20:49:17,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 20:49:17,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 20:49:17,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 20:49:17,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 20:49:17,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 20:49:17,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 20:49:17,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 20:49:17,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 20:49:17,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 20:49:17,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 20:49:17,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 20:49:17,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 20:49:17,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 20:49:17,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 20:49:17,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-21 20:49:17,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 20:49:17,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 20:49:17,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 20:49:17,261 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 20:49:17,302 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 20:49:17,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 20:49:17,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 20:49:17,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 20:49:17,307 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 20:49:17,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 20:49:17,310 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 20:49:17,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 20:49:17,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 20:49:17,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 20:49:17,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 20:49:17,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 20:49:17,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 20:49:17,312 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 20:49:17,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 20:49:17,312 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 20:49:17,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 20:49:17,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 20:49:17,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 20:49:17,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 20:49:17,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 20:49:17,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:49:17,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 20:49:17,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 20:49:17,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 20:49:17,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 20:49:17,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:17,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 20:49:17,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 20:49:17,317 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 -> DAGSIZE 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 -> 2 [2020-07-21 20:49:17,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 20:49:17,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 20:49:17,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 20:49:17,730 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 20:49:17,730 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 20:49:17,731 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2020-07-21 20:49:17,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7afd088d7/da7c04a2e11b44738914176b35042836/FLAG5b91e049d [2020-07-21 20:49:18,350 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 20:49:18,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2020-07-21 20:49:18,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7afd088d7/da7c04a2e11b44738914176b35042836/FLAG5b91e049d [2020-07-21 20:49:18,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7afd088d7/da7c04a2e11b44738914176b35042836 [2020-07-21 20:49:18,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 20:49:18,639 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 20:49:18,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 20:49:18,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 20:49:18,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 20:49:18,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:49:18" (1/1) ... [2020-07-21 20:49:18,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ecd41b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:18, skipping insertion in model container [2020-07-21 20:49:18,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:49:18" (1/1) ... [2020-07-21 20:49:18,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 20:49:18,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 20:49:19,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:49:19,126 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 20:49:19,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:49:19,267 INFO L208 MainTranslator]: Completed translation [2020-07-21 20:49:19,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:19 WrapperNode [2020-07-21 20:49:19,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 20:49:19,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 20:49:19,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 20:49:19,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 20:49:19,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:19" (1/1) ... [2020-07-21 20:49:19,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:19" (1/1) ... [2020-07-21 20:49:19,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:19" (1/1) ... [2020-07-21 20:49:19,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:19" (1/1) ... [2020-07-21 20:49:19,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:19" (1/1) ... [2020-07-21 20:49:19,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:19" (1/1) ... [2020-07-21 20:49:19,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:19" (1/1) ... [2020-07-21 20:49:19,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 20:49:19,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 20:49:19,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 20:49:19,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 20:49:19,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:49:19,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 20:49:19,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 20:49:19,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-21 20:49:19,503 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-07-21 20:49:19,503 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2020-07-21 20:49:19,503 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2020-07-21 20:49:19,503 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2020-07-21 20:49:19,503 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2020-07-21 20:49:19,504 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2020-07-21 20:49:19,504 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2020-07-21 20:49:19,504 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2020-07-21 20:49:19,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 20:49:19,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-21 20:49:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 20:49:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-21 20:49:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-21 20:49:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-07-21 20:49:19,505 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-07-21 20:49:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-21 20:49:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2020-07-21 20:49:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2020-07-21 20:49:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2020-07-21 20:49:19,506 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2020-07-21 20:49:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 20:49:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2020-07-21 20:49:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2020-07-21 20:49:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-21 20:49:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 20:49:19,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 20:49:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 20:49:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 20:49:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 20:49:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 20:49:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 20:49:19,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 20:49:19,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 20:49:19,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 20:49:19,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 20:49:19,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-21 20:49:19,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 20:49:20,663 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 20:49:20,664 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-21 20:49:20,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:49:20 BoogieIcfgContainer [2020-07-21 20:49:20,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 20:49:20,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 20:49:20,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 20:49:20,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 20:49:20,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 08:49:18" (1/3) ... [2020-07-21 20:49:20,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2295dc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:49:20, skipping insertion in model container [2020-07-21 20:49:20,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:49:19" (2/3) ... [2020-07-21 20:49:20,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2295dc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:49:20, skipping insertion in model container [2020-07-21 20:49:20,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:49:20" (3/3) ... [2020-07-21 20:49:20,680 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2020-07-21 20:49:20,691 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 20:49:20,700 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 20:49:20,716 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 20:49:20,741 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 20:49:20,741 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 20:49:20,741 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 20:49:20,742 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 20:49:20,742 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 20:49:20,742 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 20:49:20,742 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 20:49:20,742 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 20:49:20,766 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-07-21 20:49:20,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-21 20:49:20,778 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:49:20,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:49:20,781 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:49:20,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:49:20,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1328586124, now seen corresponding path program 1 times [2020-07-21 20:49:20,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:49:20,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173132678] [2020-07-21 20:49:20,799 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:21,085 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:49:21,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:49:21,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 20:49:21,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:49:21,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 20:49:21,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:49:21,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173132678] [2020-07-21 20:49:21,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:49:21,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:49:21,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611387740] [2020-07-21 20:49:21,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:49:21,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:49:21,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:49:21,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:49:21,225 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 3 states. [2020-07-21 20:49:21,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:49:21,405 INFO L93 Difference]: Finished difference Result 264 states and 407 transitions. [2020-07-21 20:49:21,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:49:21,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-07-21 20:49:21,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:49:21,437 INFO L225 Difference]: With dead ends: 264 [2020-07-21 20:49:21,438 INFO L226 Difference]: Without dead ends: 141 [2020-07-21 20:49:21,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:49:21,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-07-21 20:49:21,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 121. [2020-07-21 20:49:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-07-21 20:49:21,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 168 transitions. [2020-07-21 20:49:21,515 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 168 transitions. Word has length 43 [2020-07-21 20:49:21,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:49:21,515 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 168 transitions. [2020-07-21 20:49:21,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:49:21,516 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 168 transitions. [2020-07-21 20:49:21,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-07-21 20:49:21,522 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:49:21,522 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:49:21,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:21,738 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:49:21,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:49:21,739 INFO L82 PathProgramCache]: Analyzing trace with hash -294008176, now seen corresponding path program 1 times [2020-07-21 20:49:21,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:49:21,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894460855] [2020-07-21 20:49:21,741 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:21,920 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:49:21,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:49:21,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 20:49:21,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:49:21,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 20:49:21,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:49:21,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894460855] [2020-07-21 20:49:21,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:49:21,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:49:21,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290854515] [2020-07-21 20:49:21,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:49:21,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:49:21,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:49:21,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:49:21,963 INFO L87 Difference]: Start difference. First operand 121 states and 168 transitions. Second operand 3 states. [2020-07-21 20:49:22,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:49:22,002 INFO L93 Difference]: Finished difference Result 172 states and 234 transitions. [2020-07-21 20:49:22,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:49:22,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-07-21 20:49:22,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:49:22,006 INFO L225 Difference]: With dead ends: 172 [2020-07-21 20:49:22,007 INFO L226 Difference]: Without dead ends: 129 [2020-07-21 20:49:22,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:49:22,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-21 20:49:22,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 121. [2020-07-21 20:49:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-07-21 20:49:22,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 167 transitions. [2020-07-21 20:49:22,027 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 167 transitions. Word has length 45 [2020-07-21 20:49:22,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:49:22,027 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 167 transitions. [2020-07-21 20:49:22,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:49:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2020-07-21 20:49:22,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-21 20:49:22,031 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:49:22,031 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:49:22,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:22,245 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:49:22,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:49:22,246 INFO L82 PathProgramCache]: Analyzing trace with hash -615907369, now seen corresponding path program 1 times [2020-07-21 20:49:22,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:49:22,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853464790] [2020-07-21 20:49:22,247 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:22,436 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:49:22,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:49:22,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 20:49:22,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:49:22,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-21 20:49:22,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:49:22,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853464790] [2020-07-21 20:49:22,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:49:22,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 20:49:22,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757015011] [2020-07-21 20:49:22,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 20:49:22,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:49:22,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 20:49:22,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:49:22,495 INFO L87 Difference]: Start difference. First operand 121 states and 167 transitions. Second operand 3 states. [2020-07-21 20:49:22,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:49:22,570 INFO L93 Difference]: Finished difference Result 182 states and 250 transitions. [2020-07-21 20:49:22,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 20:49:22,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-07-21 20:49:22,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:49:22,574 INFO L225 Difference]: With dead ends: 182 [2020-07-21 20:49:22,575 INFO L226 Difference]: Without dead ends: 139 [2020-07-21 20:49:22,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 20:49:22,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-21 20:49:22,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 122. [2020-07-21 20:49:22,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-07-21 20:49:22,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2020-07-21 20:49:22,590 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 50 [2020-07-21 20:49:22,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:49:22,591 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2020-07-21 20:49:22,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 20:49:22,591 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2020-07-21 20:49:22,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 20:49:22,594 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:49:22,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:49:22,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:22,808 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:49:22,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:49:22,809 INFO L82 PathProgramCache]: Analyzing trace with hash -2038778579, now seen corresponding path program 1 times [2020-07-21 20:49:22,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:49:22,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1715446152] [2020-07-21 20:49:22,809 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:22,959 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:49:22,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:49:22,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 20:49:22,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:49:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 20:49:22,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:49:22,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1715446152] [2020-07-21 20:49:22,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:49:23,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 20:49:23,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78839904] [2020-07-21 20:49:23,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 20:49:23,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:49:23,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 20:49:23,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 20:49:23,002 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 4 states. [2020-07-21 20:49:23,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:49:23,104 INFO L93 Difference]: Finished difference Result 166 states and 222 transitions. [2020-07-21 20:49:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 20:49:23,105 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-21 20:49:23,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:49:23,107 INFO L225 Difference]: With dead ends: 166 [2020-07-21 20:49:23,109 INFO L226 Difference]: Without dead ends: 134 [2020-07-21 20:49:23,110 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 20:49:23,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-21 20:49:23,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-07-21 20:49:23,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-21 20:49:23,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 184 transitions. [2020-07-21 20:49:23,141 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 184 transitions. Word has length 51 [2020-07-21 20:49:23,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:49:23,142 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 184 transitions. [2020-07-21 20:49:23,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 20:49:23,145 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 184 transitions. [2020-07-21 20:49:23,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-21 20:49:23,148 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:49:23,152 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:49:23,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:23,354 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:49:23,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:49:23,354 INFO L82 PathProgramCache]: Analyzing trace with hash -844102079, now seen corresponding path program 1 times [2020-07-21 20:49:23,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:49:23,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566054695] [2020-07-21 20:49:23,355 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:23,525 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:49:23,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:49:23,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 20:49:23,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:49:23,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 20:49:23,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:49:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 20:49:23,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [566054695] [2020-07-21 20:49:23,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:49:23,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2020-07-21 20:49:23,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463554914] [2020-07-21 20:49:23,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 20:49:23,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:49:23,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 20:49:23,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-21 20:49:23,699 INFO L87 Difference]: Start difference. First operand 134 states and 184 transitions. Second operand 10 states. [2020-07-21 20:49:24,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:49:24,140 INFO L93 Difference]: Finished difference Result 241 states and 329 transitions. [2020-07-21 20:49:24,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-21 20:49:24,141 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-07-21 20:49:24,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:49:24,144 INFO L225 Difference]: With dead ends: 241 [2020-07-21 20:49:24,144 INFO L226 Difference]: Without dead ends: 203 [2020-07-21 20:49:24,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2020-07-21 20:49:24,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-07-21 20:49:24,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 179. [2020-07-21 20:49:24,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-07-21 20:49:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 244 transitions. [2020-07-21 20:49:24,164 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 244 transitions. Word has length 55 [2020-07-21 20:49:24,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:49:24,165 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 244 transitions. [2020-07-21 20:49:24,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 20:49:24,165 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 244 transitions. [2020-07-21 20:49:24,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 20:49:24,167 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:49:24,167 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:49:24,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:24,382 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:49:24,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:49:24,383 INFO L82 PathProgramCache]: Analyzing trace with hash -387011243, now seen corresponding path program 2 times [2020-07-21 20:49:24,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:49:24,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1587318281] [2020-07-21 20:49:24,383 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 20:49:24,561 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:49:24,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:49:24,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:49:24,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:49:24,609 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:49:24,616 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:49:24,618 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:49:24,629 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:49:24,647 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:49:24,651 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:49:24,653 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 20:49:24,655 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 20:49:24,659 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:49:24,662 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:49:24,663 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 20:49:24,667 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 20:49:24,676 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:49:24,677 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 20:49:24,682 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 20:49:24,687 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 20:49:24,692 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 20:49:24,694 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 20:49:24,696 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 20:49:24,718 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 20:49:24,720 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 20:49:24,721 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-07-21 20:49:24,722 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 20:49:24,723 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-07-21 20:49:24,725 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 20:49:24,735 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-21 20:49:24,739 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 20:49:24,749 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 20:49:24,753 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-07-21 20:49:24,754 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 20:49:24,755 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-07-21 20:49:24,766 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 20:49:24,770 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 20:49:24,777 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 20:49:24,786 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 20:49:24,822 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:49:24,839 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 20:49:24,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:49:24,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1587318281] [2020-07-21 20:49:24,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:49:24,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 20:49:24,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852777792] [2020-07-21 20:49:24,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 20:49:24,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:49:24,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 20:49:24,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 20:49:24,842 INFO L87 Difference]: Start difference. First operand 179 states and 244 transitions. Second operand 5 states. [2020-07-21 20:49:24,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:49:24,880 INFO L93 Difference]: Finished difference Result 248 states and 335 transitions. [2020-07-21 20:49:24,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 20:49:24,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-07-21 20:49:24,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:49:24,882 INFO L225 Difference]: With dead ends: 248 [2020-07-21 20:49:24,882 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 20:49:24,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 20:49:24,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 20:49:24,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 20:49:24,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 20:49:24,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 20:49:24,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-07-21 20:49:24,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:49:24,885 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 20:49:24,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 20:49:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 20:49:24,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 20:49:25,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:49:25,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 20:49:25,565 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2020-07-21 20:49:25,725 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-07-21 20:49:25,892 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-07-21 20:49:26,051 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-07-21 20:49:26,066 INFO L268 CegarLoopResult]: For program point Id_MCDC_100FINAL(lines 418 424) no Hoare annotation was computed. [2020-07-21 20:49:26,066 INFO L268 CegarLoopResult]: For program point Id_MCDC_100EXIT(lines 418 424) no Hoare annotation was computed. [2020-07-21 20:49:26,066 INFO L271 CegarLoopResult]: At program point Id_MCDC_100ENTRY(lines 418 424) the Hoare annotation is: true [2020-07-21 20:49:26,067 INFO L271 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: true [2020-07-21 20:49:26,067 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 20:49:26,067 INFO L271 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: true [2020-07-21 20:49:26,067 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-07-21 20:49:26,067 INFO L271 CegarLoopResult]: At program point Id_MCDC_99ENTRY(lines 398 417) the Hoare annotation is: true [2020-07-21 20:49:26,067 INFO L268 CegarLoopResult]: For program point Id_MCDC_99EXIT(lines 398 417) no Hoare annotation was computed. [2020-07-21 20:49:26,068 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-07-21 20:49:26,068 INFO L268 CegarLoopResult]: For program point L406-2(lines 406 413) no Hoare annotation was computed. [2020-07-21 20:49:26,068 INFO L268 CegarLoopResult]: For program point L404-2(lines 404 414) no Hoare annotation was computed. [2020-07-21 20:49:26,068 INFO L271 CegarLoopResult]: At program point L404-3(lines 404 414) the Hoare annotation is: true [2020-07-21 20:49:26,068 INFO L271 CegarLoopResult]: At program point L404-4(lines 404 414) the Hoare annotation is: true [2020-07-21 20:49:26,068 INFO L268 CegarLoopResult]: For program point Id_MCDC_99FINAL(lines 398 417) no Hoare annotation was computed. [2020-07-21 20:49:26,068 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-07-21 20:49:26,069 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-21 20:49:26,069 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-07-21 20:49:26,069 INFO L268 CegarLoopResult]: For program point L209-2(line 209) no Hoare annotation was computed. [2020-07-21 20:49:26,069 INFO L271 CegarLoopResult]: At program point Id_MCDC_89ENTRY(lines 191 246) the Hoare annotation is: true [2020-07-21 20:49:26,069 INFO L268 CegarLoopResult]: For program point Id_MCDC_89EXIT(lines 191 246) no Hoare annotation was computed. [2020-07-21 20:49:26,069 INFO L268 CegarLoopResult]: For program point L234(lines 234 239) no Hoare annotation was computed. [2020-07-21 20:49:26,069 INFO L268 CegarLoopResult]: For program point L234-1(lines 232 244) no Hoare annotation was computed. [2020-07-21 20:49:26,070 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-07-21 20:49:26,070 INFO L268 CegarLoopResult]: For program point L218-2(line 218) no Hoare annotation was computed. [2020-07-21 20:49:26,070 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-07-21 20:49:26,070 INFO L268 CegarLoopResult]: For program point L202(lines 202 205) no Hoare annotation was computed. [2020-07-21 20:49:26,070 INFO L268 CegarLoopResult]: For program point Id_MCDC_89FINAL(lines 191 246) no Hoare annotation was computed. [2020-07-21 20:49:26,070 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-07-21 20:49:26,070 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-21 20:49:26,070 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-21 20:49:26,071 INFO L268 CegarLoopResult]: For program point L215-2(line 215) no Hoare annotation was computed. [2020-07-21 20:49:26,071 INFO L271 CegarLoopResult]: At program point L207(lines 207 223) the Hoare annotation is: true [2020-07-21 20:49:26,071 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-21 20:49:26,071 INFO L268 CegarLoopResult]: For program point L232-2(line 232) no Hoare annotation was computed. [2020-07-21 20:49:26,071 INFO L268 CegarLoopResult]: For program point L232-3(line 232) no Hoare annotation was computed. [2020-07-21 20:49:26,071 INFO L268 CegarLoopResult]: For program point L232-5(lines 232 244) no Hoare annotation was computed. [2020-07-21 20:49:26,071 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 231) no Hoare annotation was computed. [2020-07-21 20:49:26,072 INFO L271 CegarLoopResult]: At program point L224-3(lines 224 231) the Hoare annotation is: true [2020-07-21 20:49:26,072 INFO L268 CegarLoopResult]: For program point L224-4(lines 224 231) no Hoare annotation was computed. [2020-07-21 20:49:26,072 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-07-21 20:49:26,072 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-07-21 20:49:26,072 INFO L268 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-07-21 20:49:26,072 INFO L268 CegarLoopResult]: For program point L200(lines 200 206) no Hoare annotation was computed. [2020-07-21 20:49:26,073 INFO L268 CegarLoopResult]: For program point L200-2(lines 200 206) no Hoare annotation was computed. [2020-07-21 20:49:26,073 INFO L268 CegarLoopResult]: For program point L196(lines 196 199) no Hoare annotation was computed. [2020-07-21 20:49:26,073 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 425 456) the Hoare annotation is: true [2020-07-21 20:49:26,073 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 425 456) no Hoare annotation was computed. [2020-07-21 20:49:26,073 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 425 456) no Hoare annotation was computed. [2020-07-21 20:49:26,073 INFO L271 CegarLoopResult]: At program point L455(line 455) the Hoare annotation is: true [2020-07-21 20:49:26,073 INFO L268 CegarLoopResult]: For program point L450(lines 450 453) no Hoare annotation was computed. [2020-07-21 20:49:26,074 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-07-21 20:49:26,074 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-21 20:49:26,074 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 5) no Hoare annotation was computed. [2020-07-21 20:49:26,074 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-07-21 20:49:26,074 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-21 20:49:26,074 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2020-07-21 20:49:26,074 INFO L271 CegarLoopResult]: At program point L374-3(lines 374 391) the Hoare annotation is: true [2020-07-21 20:49:26,075 INFO L268 CegarLoopResult]: For program point L374-4(lines 374 391) no Hoare annotation was computed. [2020-07-21 20:49:26,075 INFO L271 CegarLoopResult]: At program point Id_MCDC_97ENTRY(lines 329 397) the Hoare annotation is: true [2020-07-21 20:49:26,075 INFO L268 CegarLoopResult]: For program point Id_MCDC_97EXIT(lines 329 397) no Hoare annotation was computed. [2020-07-21 20:49:26,075 INFO L268 CegarLoopResult]: For program point L387(lines 387 390) no Hoare annotation was computed. [2020-07-21 20:49:26,075 INFO L268 CegarLoopResult]: For program point L354(lines 354 395) no Hoare annotation was computed. [2020-07-21 20:49:26,075 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 353) no Hoare annotation was computed. [2020-07-21 20:49:26,076 INFO L264 CegarLoopResult]: At program point L350-3(lines 350 353) the Hoare annotation is: (= 6144 Id_MCDC_97_~Id_MCDC_123~0) [2020-07-21 20:49:26,076 INFO L268 CegarLoopResult]: For program point L350-4(lines 330 397) no Hoare annotation was computed. [2020-07-21 20:49:26,076 INFO L271 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: true [2020-07-21 20:49:26,076 INFO L268 CegarLoopResult]: For program point L363-1(lines 363 366) no Hoare annotation was computed. [2020-07-21 20:49:26,076 INFO L268 CegarLoopResult]: For program point Id_MCDC_97FINAL(lines 329 397) no Hoare annotation was computed. [2020-07-21 20:49:26,076 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-07-21 20:49:26,077 INFO L268 CegarLoopResult]: For program point L359-1(lines 359 362) no Hoare annotation was computed. [2020-07-21 20:49:26,077 INFO L271 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: true [2020-07-21 20:49:26,077 INFO L268 CegarLoopResult]: For program point L376-1(lines 376 379) no Hoare annotation was computed. [2020-07-21 20:49:26,077 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 394) no Hoare annotation was computed. [2020-07-21 20:49:26,077 INFO L271 CegarLoopResult]: At program point L356-3(lines 356 394) the Hoare annotation is: true [2020-07-21 20:49:26,077 INFO L271 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: true [2020-07-21 20:49:26,077 INFO L268 CegarLoopResult]: For program point L369-1(lines 369 372) no Hoare annotation was computed. [2020-07-21 20:49:26,077 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-21 20:49:26,078 INFO L271 CegarLoopResult]: At program point Id_MCDC_95ENTRY(lines 278 297) the Hoare annotation is: true [2020-07-21 20:49:26,078 INFO L268 CegarLoopResult]: For program point Id_MCDC_95EXIT(lines 278 297) no Hoare annotation was computed. [2020-07-21 20:49:26,078 INFO L268 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-07-21 20:49:26,078 INFO L264 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: (and (or (= 4 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 4))) (or (= 2 (mod |Id_MCDC_95_#in~Id_MCDC_93| 4294967296)) (not (= 2 (mod Id_MCDC_95_~Id_MCDC_93 4294967296)))) (or (= 3 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 3))) (or (not (= 2 (mod (+ Id_MCDC_95_~Id_MCDC_93 4294967295) 4294967296))) (= 2 (mod (+ |Id_MCDC_95_#in~Id_MCDC_93| 4294967295) 4294967296)))) [2020-07-21 20:49:26,078 INFO L264 CegarLoopResult]: At program point L296-2(line 296) the Hoare annotation is: (and (or (and |Id_MCDC_95_#t~short23| (not (= 2 (mod Id_MCDC_95_~Id_MCDC_93 4294967296)))) (= 2 (mod |Id_MCDC_95_#in~Id_MCDC_93| 4294967296))) (or (= 4 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 4))) (or (= 3 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 3))) (or (and |Id_MCDC_95_#t~short23| (not (= 2 (mod (+ Id_MCDC_95_~Id_MCDC_93 4294967295) 4294967296)))) (= 2 (mod (+ |Id_MCDC_95_#in~Id_MCDC_93| 4294967295) 4294967296)))) [2020-07-21 20:49:26,078 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-21 20:49:26,079 INFO L268 CegarLoopResult]: For program point L296-3(line 296) no Hoare annotation was computed. [2020-07-21 20:49:26,079 INFO L264 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: (and (or (= 2 (mod (+ |Id_MCDC_95_#in~Id_MCDC_93| 4294967295) 4294967296)) (not (= 2 (mod (+ Id_MCDC_95_~Id_MCDC_93 4294967295) 4294967296)))) (or (= 4 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 4))) (or (= 3 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 3))) (not (= 2 (mod Id_MCDC_95_~Id_MCDC_93 4294967296)))) [2020-07-21 20:49:26,079 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-21 20:49:26,079 INFO L268 CegarLoopResult]: For program point L286(lines 286 293) no Hoare annotation was computed. [2020-07-21 20:49:26,079 INFO L268 CegarLoopResult]: For program point L286-2(lines 286 293) no Hoare annotation was computed. [2020-07-21 20:49:26,079 INFO L268 CegarLoopResult]: For program point L282(lines 282 285) no Hoare annotation was computed. [2020-07-21 20:49:26,080 INFO L264 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: (and (or (= 2 (mod (+ |Id_MCDC_95_#in~Id_MCDC_93| 4294967295) 4294967296)) (not (= 2 (mod (+ Id_MCDC_95_~Id_MCDC_93 4294967295) 4294967296)))) (or (= 4 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 4))) (or (= 3 Id_MCDC_95_~Id_MCDC_93) (not (= |Id_MCDC_95_#in~Id_MCDC_93| 3))) (or (= 2 (mod |Id_MCDC_95_#in~Id_MCDC_93| 4294967296)) (not (= 2 (mod Id_MCDC_95_~Id_MCDC_93 4294967296))))) [2020-07-21 20:49:26,080 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-07-21 20:49:26,080 INFO L268 CegarLoopResult]: For program point Id_MCDC_95FINAL(lines 278 297) no Hoare annotation was computed. [2020-07-21 20:49:26,080 INFO L268 CegarLoopResult]: For program point L316(lines 316 321) no Hoare annotation was computed. [2020-07-21 20:49:26,080 INFO L268 CegarLoopResult]: For program point L316-1(lines 314 326) no Hoare annotation was computed. [2020-07-21 20:49:26,080 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-07-21 20:49:26,081 INFO L268 CegarLoopResult]: For program point L314-2(line 314) no Hoare annotation was computed. [2020-07-21 20:49:26,081 INFO L268 CegarLoopResult]: For program point L314-3(line 314) no Hoare annotation was computed. [2020-07-21 20:49:26,081 INFO L268 CegarLoopResult]: For program point L314-5(lines 314 326) no Hoare annotation was computed. [2020-07-21 20:49:26,081 INFO L268 CegarLoopResult]: For program point L306-1(lines 306 313) no Hoare annotation was computed. [2020-07-21 20:49:26,081 INFO L271 CegarLoopResult]: At program point L306-3(lines 306 313) the Hoare annotation is: true [2020-07-21 20:49:26,081 INFO L268 CegarLoopResult]: For program point L302(lines 302 305) no Hoare annotation was computed. [2020-07-21 20:49:26,081 INFO L268 CegarLoopResult]: For program point L306-4(lines 306 313) no Hoare annotation was computed. [2020-07-21 20:49:26,081 INFO L268 CegarLoopResult]: For program point Id_MCDC_96FINAL(lines 298 328) no Hoare annotation was computed. [2020-07-21 20:49:26,082 INFO L268 CegarLoopResult]: For program point L309(lines 309 312) no Hoare annotation was computed. [2020-07-21 20:49:26,082 INFO L271 CegarLoopResult]: At program point Id_MCDC_96ENTRY(lines 298 328) the Hoare annotation is: true [2020-07-21 20:49:26,082 INFO L268 CegarLoopResult]: For program point Id_MCDC_96EXIT(lines 298 328) no Hoare annotation was computed. [2020-07-21 20:49:26,082 INFO L268 CegarLoopResult]: For program point L253(lines 253 267) no Hoare annotation was computed. [2020-07-21 20:49:26,082 INFO L271 CegarLoopResult]: At program point Id_MCDC_92ENTRY(lines 247 277) the Hoare annotation is: true [2020-07-21 20:49:26,082 INFO L268 CegarLoopResult]: For program point Id_MCDC_92EXIT(lines 247 277) no Hoare annotation was computed. [2020-07-21 20:49:26,082 INFO L268 CegarLoopResult]: For program point Id_MCDC_92FINAL(lines 247 277) no Hoare annotation was computed. [2020-07-21 20:49:26,083 INFO L271 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: true [2020-07-21 20:49:26,083 INFO L268 CegarLoopResult]: For program point L270-1(line 270) no Hoare annotation was computed. [2020-07-21 20:49:26,083 INFO L268 CegarLoopResult]: For program point L268-1(lines 248 277) no Hoare annotation was computed. [2020-07-21 20:49:26,083 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 275) no Hoare annotation was computed. [2020-07-21 20:49:26,083 INFO L268 CegarLoopResult]: For program point L259(lines 259 267) no Hoare annotation was computed. [2020-07-21 20:49:26,083 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:49:26,083 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:49:26,083 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:49:26,084 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:49:26,084 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-21 20:49:26,084 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:49:26,084 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:49:26,084 INFO L268 CegarLoopResult]: For program point avoid_zeroEXIT(lines 7 13) no Hoare annotation was computed. [2020-07-21 20:49:26,084 INFO L268 CegarLoopResult]: For program point L9(lines 9 12) no Hoare annotation was computed. [2020-07-21 20:49:26,084 INFO L268 CegarLoopResult]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2020-07-21 20:49:26,084 INFO L271 CegarLoopResult]: At program point avoid_zeroENTRY(lines 7 13) the Hoare annotation is: true [2020-07-21 20:49:26,085 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 457 464) the Hoare annotation is: true [2020-07-21 20:49:26,085 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-21 20:49:26,085 INFO L268 CegarLoopResult]: For program point L459(lines 459 462) no Hoare annotation was computed. [2020-07-21 20:49:26,085 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 457 464) no Hoare annotation was computed. [2020-07-21 20:49:26,085 INFO L268 CegarLoopResult]: For program point L459-2(lines 457 464) no Hoare annotation was computed. [2020-07-21 20:49:26,085 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2020-07-21 20:49:26,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 08:49:26 BoogieIcfgContainer [2020-07-21 20:49:26,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 20:49:26,107 INFO L168 Benchmark]: Toolchain (without parser) took 7469.67 ms. Allocated memory was 139.5 MB in the beginning and 282.6 MB in the end (delta: 143.1 MB). Free memory was 103.3 MB in the beginning and 161.0 MB in the end (delta: -57.7 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:26,108 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 20:49:26,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.61 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.8 MB in the beginning and 174.9 MB in the end (delta: -72.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:26,109 INFO L168 Benchmark]: Boogie Preprocessor took 147.99 ms. Allocated memory is still 204.5 MB. Free memory was 174.9 MB in the beginning and 170.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:26,110 INFO L168 Benchmark]: RCFGBuilder took 1246.13 ms. Allocated memory is still 204.5 MB. Free memory was 170.2 MB in the beginning and 107.1 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:26,111 INFO L168 Benchmark]: TraceAbstraction took 5433.16 ms. Allocated memory was 204.5 MB in the beginning and 282.6 MB in the end (delta: 78.1 MB). Free memory was 106.5 MB in the beginning and 161.0 MB in the end (delta: -54.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-07-21 20:49:26,115 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 628.61 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.8 MB in the beginning and 174.9 MB in the end (delta: -72.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 147.99 ms. Allocated memory is still 204.5 MB. Free memory was 174.9 MB in the beginning and 170.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1246.13 ms. Allocated memory is still 204.5 MB. Free memory was 170.2 MB in the beginning and 107.1 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5433.16 ms. Allocated memory was 204.5 MB in the beginning and 282.6 MB in the end (delta: 78.1 MB). Free memory was 106.5 MB in the beginning and 161.0 MB in the end (delta: -54.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 6144 == Id_MCDC_123 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 133 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1071 SDtfs, 180 SDslu, 2719 SDs, 0 SdLazy, 223 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 69 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 179 PreInvPairs, 213 NumberOfFragments, 210 HoareAnnotationTreeSize, 179 FomulaSimplifications, 81 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 34 FomulaSimplificationsInter, 160 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 303 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 351 ConstructedInterpolants, 0 QuantifiedInterpolants, 21941 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2430 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 19/25 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...