/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 NOT_INCREMENTALLY -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 [2020-07-21 12:03:33,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:03:33,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:03:33,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:03:33,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:03:33,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:03:33,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:03:33,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:03:33,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:03:33,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:03:33,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:03:33,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:03:33,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:03:33,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:03:33,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:03:33,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:03:33,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:03:33,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:03:33,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:03:33,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:03:33,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:03:33,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:03:33,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:03:33,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:03:33,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:03:33,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:03:33,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:03:33,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:03:33,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:03:33,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-21 12:03:33,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:03:33,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:03:33,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:03:33,455 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 12:03:33,481 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:03:33,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:03:33,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:03:33,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:03:33,485 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:03:33,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:03:33,486 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:03:33,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:03:33,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:03:33,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:03:33,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:03:33,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:03:33,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:03:33,489 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:03:33,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:03:33,490 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:03:33,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:03:33,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:03:33,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:03:33,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:03:33,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:03:33,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:03:33,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:03:33,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:03:33,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:03:33,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:03:33,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:03:33,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:03:33,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:03:33,492 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 -> NOT_INCREMENTALLY [2020-07-21 12:03:33,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:03:33,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:03:33,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:03:33,973 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:03:33,976 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:03:33,977 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2020-07-21 12:03:34,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4484c24b3/e202a3f342d448b9bdf791b77975746a/FLAG00913ab96 [2020-07-21 12:03:34,674 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:03:34,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2020-07-21 12:03:34,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4484c24b3/e202a3f342d448b9bdf791b77975746a/FLAG00913ab96 [2020-07-21 12:03:34,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4484c24b3/e202a3f342d448b9bdf791b77975746a [2020-07-21 12:03:34,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:03:34,897 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:03:34,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:03:34,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:03:34,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:03:34,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:03:34" (1/1) ... [2020-07-21 12:03:34,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e89e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:03:34, skipping insertion in model container [2020-07-21 12:03:34,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:03:34" (1/1) ... [2020-07-21 12:03:34,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:03:34,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:03:35,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:03:35,530 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:03:35,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:03:35,637 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:03:35,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:03:35 WrapperNode [2020-07-21 12:03:35,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:03:35,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:03:35,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:03:35,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:03:35,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:03:35" (1/1) ... [2020-07-21 12:03:35,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:03:35" (1/1) ... [2020-07-21 12:03:35,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:03:35" (1/1) ... [2020-07-21 12:03:35,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:03:35" (1/1) ... [2020-07-21 12:03:35,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:03:35" (1/1) ... [2020-07-21 12:03:35,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:03:35" (1/1) ... [2020-07-21 12:03:35,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:03:35" (1/1) ... [2020-07-21 12:03:35,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:03:35,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:03:35,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:03:35,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:03:35,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:03:35" (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 12:03:35,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:03:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:03:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-21 12:03:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-07-21 12:03:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2020-07-21 12:03:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2020-07-21 12:03:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2020-07-21 12:03:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2020-07-21 12:03:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2020-07-21 12:03:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2020-07-21 12:03:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2020-07-21 12:03:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:03:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-21 12:03:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:03:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-21 12:03:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-21 12:03:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-07-21 12:03:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-07-21 12:03:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-07-21 12:03:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2020-07-21 12:03:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2020-07-21 12:03:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2020-07-21 12:03:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2020-07-21 12:03:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:03:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2020-07-21 12:03:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2020-07-21 12:03:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-21 12:03:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:03:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-21 12:03:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:03:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:03:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:03:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:03:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:03:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:03:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:03:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:03:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:03:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-21 12:03:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:03:38,323 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:03:38,324 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-21 12:03:38,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:03:38 BoogieIcfgContainer [2020-07-21 12:03:38,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:03:38,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:03:38,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:03:38,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:03:38,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:03:34" (1/3) ... [2020-07-21 12:03:38,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de01fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:03:38, skipping insertion in model container [2020-07-21 12:03:38,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:03:35" (2/3) ... [2020-07-21 12:03:38,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de01fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:03:38, skipping insertion in model container [2020-07-21 12:03:38,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:03:38" (3/3) ... [2020-07-21 12:03:38,341 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2020-07-21 12:03:38,355 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:03:38,365 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:03:38,383 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:03:38,414 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:03:38,414 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:03:38,415 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:03:38,415 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:03:38,415 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:03:38,415 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:03:38,416 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:03:38,416 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:03:38,443 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-07-21 12:03:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-21 12:03:38,456 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:03:38,457 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] [2020-07-21 12:03:38,458 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:03:38,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:03:38,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1652927245, now seen corresponding path program 1 times [2020-07-21 12:03:38,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:03:38,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303159660] [2020-07-21 12:03:38,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 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 12:03:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:03:38,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:03:38,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:03:38,771 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 12:03:38,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:03:38,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303159660] [2020-07-21 12:03:38,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:03:38,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:03:38,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721563418] [2020-07-21 12:03:38,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:03:38,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:03:38,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:03:38,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:03:38,798 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2020-07-21 12:03:38,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:03:38,847 INFO L93 Difference]: Finished difference Result 241 states and 361 transitions. [2020-07-21 12:03:38,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:03:38,849 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 39 [2020-07-21 12:03:38,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:03:38,863 INFO L225 Difference]: With dead ends: 241 [2020-07-21 12:03:38,864 INFO L226 Difference]: Without dead ends: 119 [2020-07-21 12:03:38,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:03:38,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-21 12:03:38,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-07-21 12:03:38,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-21 12:03:38,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2020-07-21 12:03:38,935 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2020-07-21 12:03:38,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:03:38,936 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2020-07-21 12:03:38,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:03:38,936 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2020-07-21 12:03:38,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-21 12:03:38,942 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:03:38,943 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] [2020-07-21 12:03:39,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:03:39,144 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:03:39,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:03:39,145 INFO L82 PathProgramCache]: Analyzing trace with hash 843580619, now seen corresponding path program 1 times [2020-07-21 12:03:39,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:03:39,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952267776] [2020-07-21 12:03:39,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 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 12:03:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:03:39,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 12:03:39,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:03:39,401 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 12:03:39,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:03:39,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952267776] [2020-07-21 12:03:39,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:03:39,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 12:03:39,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603319945] [2020-07-21 12:03:39,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 12:03:39,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:03:39,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 12:03:39,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 12:03:39,407 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand 4 states. [2020-07-21 12:03:39,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:03:39,457 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2020-07-21 12:03:39,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 12:03:39,458 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-07-21 12:03:39,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:03:39,459 INFO L225 Difference]: With dead ends: 119 [2020-07-21 12:03:39,460 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:03:39,462 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 [2020-07-21 12:03:39,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:03:39,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:03:39,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:03:39,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:03:39,464 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2020-07-21 12:03:39,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:03:39,464 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:03:39,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 12:03:39,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:03:39,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:03:39,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:03:39,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:03:39,848 INFO L268 CegarLoopResult]: For program point Id_MCDC_100FINAL(lines 418 424) no Hoare annotation was computed. [2020-07-21 12:03:39,848 INFO L268 CegarLoopResult]: For program point Id_MCDC_100EXIT(lines 418 424) no Hoare annotation was computed. [2020-07-21 12:03:39,849 INFO L271 CegarLoopResult]: At program point Id_MCDC_100ENTRY(lines 418 424) the Hoare annotation is: true [2020-07-21 12:03:39,849 INFO L271 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: true [2020-07-21 12:03:39,849 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 12:03:39,850 INFO L271 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: true [2020-07-21 12:03:39,850 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-07-21 12:03:39,850 INFO L271 CegarLoopResult]: At program point Id_MCDC_99ENTRY(lines 398 417) the Hoare annotation is: true [2020-07-21 12:03:39,850 INFO L268 CegarLoopResult]: For program point Id_MCDC_99EXIT(lines 398 417) no Hoare annotation was computed. [2020-07-21 12:03:39,850 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-07-21 12:03:39,851 INFO L268 CegarLoopResult]: For program point L406-2(lines 406 413) no Hoare annotation was computed. [2020-07-21 12:03:39,851 INFO L268 CegarLoopResult]: For program point L404-2(lines 404 414) no Hoare annotation was computed. [2020-07-21 12:03:39,851 INFO L271 CegarLoopResult]: At program point L404-3(lines 404 414) the Hoare annotation is: true [2020-07-21 12:03:39,851 INFO L271 CegarLoopResult]: At program point L404-4(lines 404 414) the Hoare annotation is: true [2020-07-21 12:03:39,851 INFO L268 CegarLoopResult]: For program point Id_MCDC_99FINAL(lines 398 417) no Hoare annotation was computed. [2020-07-21 12:03:39,852 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-07-21 12:03:39,852 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-21 12:03:39,852 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-07-21 12:03:39,852 INFO L268 CegarLoopResult]: For program point L209-2(line 209) no Hoare annotation was computed. [2020-07-21 12:03:39,852 INFO L271 CegarLoopResult]: At program point Id_MCDC_89ENTRY(lines 191 246) the Hoare annotation is: true [2020-07-21 12:03:39,853 INFO L268 CegarLoopResult]: For program point Id_MCDC_89EXIT(lines 191 246) no Hoare annotation was computed. [2020-07-21 12:03:39,853 INFO L268 CegarLoopResult]: For program point L234(lines 234 239) no Hoare annotation was computed. [2020-07-21 12:03:39,853 INFO L268 CegarLoopResult]: For program point L234-1(lines 232 244) no Hoare annotation was computed. [2020-07-21 12:03:39,853 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-07-21 12:03:39,853 INFO L268 CegarLoopResult]: For program point L218-2(line 218) no Hoare annotation was computed. [2020-07-21 12:03:39,854 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-07-21 12:03:39,854 INFO L268 CegarLoopResult]: For program point L202(lines 202 205) no Hoare annotation was computed. [2020-07-21 12:03:39,854 INFO L268 CegarLoopResult]: For program point Id_MCDC_89FINAL(lines 191 246) no Hoare annotation was computed. [2020-07-21 12:03:39,854 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-07-21 12:03:39,854 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-21 12:03:39,855 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-21 12:03:39,855 INFO L268 CegarLoopResult]: For program point L215-2(line 215) no Hoare annotation was computed. [2020-07-21 12:03:39,855 INFO L271 CegarLoopResult]: At program point L207(lines 207 223) the Hoare annotation is: true [2020-07-21 12:03:39,855 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-07-21 12:03:39,856 INFO L268 CegarLoopResult]: For program point L232-2(line 232) no Hoare annotation was computed. [2020-07-21 12:03:39,856 INFO L268 CegarLoopResult]: For program point L232-3(line 232) no Hoare annotation was computed. [2020-07-21 12:03:39,856 INFO L268 CegarLoopResult]: For program point L232-5(lines 232 244) no Hoare annotation was computed. [2020-07-21 12:03:39,856 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 231) no Hoare annotation was computed. [2020-07-21 12:03:39,856 INFO L271 CegarLoopResult]: At program point L224-3(lines 224 231) the Hoare annotation is: true [2020-07-21 12:03:39,857 INFO L268 CegarLoopResult]: For program point L224-4(lines 224 231) no Hoare annotation was computed. [2020-07-21 12:03:39,857 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-07-21 12:03:39,857 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-07-21 12:03:39,857 INFO L268 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-07-21 12:03:39,858 INFO L268 CegarLoopResult]: For program point L200(lines 200 206) no Hoare annotation was computed. [2020-07-21 12:03:39,858 INFO L268 CegarLoopResult]: For program point L200-2(lines 200 206) no Hoare annotation was computed. [2020-07-21 12:03:39,858 INFO L268 CegarLoopResult]: For program point L196(lines 196 199) no Hoare annotation was computed. [2020-07-21 12:03:39,858 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 425 456) the Hoare annotation is: true [2020-07-21 12:03:39,859 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 425 456) no Hoare annotation was computed. [2020-07-21 12:03:39,859 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 425 456) no Hoare annotation was computed. [2020-07-21 12:03:39,859 INFO L271 CegarLoopResult]: At program point L455(line 455) the Hoare annotation is: true [2020-07-21 12:03:39,859 INFO L268 CegarLoopResult]: For program point L450(lines 450 453) no Hoare annotation was computed. [2020-07-21 12:03:39,860 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-07-21 12:03:39,860 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-21 12:03:39,860 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 5) no Hoare annotation was computed. [2020-07-21 12:03:39,860 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-07-21 12:03:39,860 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-21 12:03:39,861 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2020-07-21 12:03:39,861 INFO L271 CegarLoopResult]: At program point L374-3(lines 374 391) the Hoare annotation is: true [2020-07-21 12:03:39,861 INFO L268 CegarLoopResult]: For program point L374-4(lines 374 391) no Hoare annotation was computed. [2020-07-21 12:03:39,861 INFO L271 CegarLoopResult]: At program point Id_MCDC_97ENTRY(lines 329 397) the Hoare annotation is: true [2020-07-21 12:03:39,862 INFO L268 CegarLoopResult]: For program point Id_MCDC_97EXIT(lines 329 397) no Hoare annotation was computed. [2020-07-21 12:03:39,862 INFO L268 CegarLoopResult]: For program point L387(lines 387 390) no Hoare annotation was computed. [2020-07-21 12:03:39,862 INFO L268 CegarLoopResult]: For program point L354(lines 354 395) no Hoare annotation was computed. [2020-07-21 12:03:39,862 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 353) no Hoare annotation was computed. [2020-07-21 12:03:39,862 INFO L271 CegarLoopResult]: At program point L350-3(lines 350 353) the Hoare annotation is: true [2020-07-21 12:03:39,863 INFO L268 CegarLoopResult]: For program point L350-4(lines 330 397) no Hoare annotation was computed. [2020-07-21 12:03:39,863 INFO L271 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: true [2020-07-21 12:03:39,863 INFO L268 CegarLoopResult]: For program point L363-1(lines 363 366) no Hoare annotation was computed. [2020-07-21 12:03:39,863 INFO L268 CegarLoopResult]: For program point Id_MCDC_97FINAL(lines 329 397) no Hoare annotation was computed. [2020-07-21 12:03:39,864 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-07-21 12:03:39,864 INFO L268 CegarLoopResult]: For program point L359-1(lines 359 362) no Hoare annotation was computed. [2020-07-21 12:03:39,907 INFO L271 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: true [2020-07-21 12:03:39,908 INFO L268 CegarLoopResult]: For program point L376-1(lines 376 379) no Hoare annotation was computed. [2020-07-21 12:03:39,908 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 394) no Hoare annotation was computed. [2020-07-21 12:03:39,908 INFO L271 CegarLoopResult]: At program point L356-3(lines 356 394) the Hoare annotation is: true [2020-07-21 12:03:39,909 INFO L271 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: true [2020-07-21 12:03:39,909 INFO L268 CegarLoopResult]: For program point L369-1(lines 369 372) no Hoare annotation was computed. [2020-07-21 12:03:39,910 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-21 12:03:39,910 INFO L271 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: true [2020-07-21 12:03:39,910 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-21 12:03:39,910 INFO L268 CegarLoopResult]: For program point L286(lines 286 293) no Hoare annotation was computed. [2020-07-21 12:03:39,911 INFO L268 CegarLoopResult]: For program point L286-2(lines 286 293) no Hoare annotation was computed. [2020-07-21 12:03:39,911 INFO L268 CegarLoopResult]: For program point L282(lines 282 285) no Hoare annotation was computed. [2020-07-21 12:03:39,911 INFO L271 CegarLoopResult]: At program point Id_MCDC_95ENTRY(lines 278 297) the Hoare annotation is: true [2020-07-21 12:03:39,911 INFO L268 CegarLoopResult]: For program point Id_MCDC_95EXIT(lines 278 297) no Hoare annotation was computed. [2020-07-21 12:03:39,912 INFO L271 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: true [2020-07-21 12:03:39,912 INFO L271 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: true [2020-07-21 12:03:39,912 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-07-21 12:03:39,912 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-21 12:03:39,912 INFO L268 CegarLoopResult]: For program point Id_MCDC_95FINAL(lines 278 297) no Hoare annotation was computed. [2020-07-21 12:03:39,913 INFO L268 CegarLoopResult]: For program point L316(lines 316 321) no Hoare annotation was computed. [2020-07-21 12:03:39,913 INFO L268 CegarLoopResult]: For program point L316-1(lines 314 326) no Hoare annotation was computed. [2020-07-21 12:03:39,913 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-07-21 12:03:39,913 INFO L268 CegarLoopResult]: For program point L314-2(line 314) no Hoare annotation was computed. [2020-07-21 12:03:39,913 INFO L268 CegarLoopResult]: For program point L314-3(line 314) no Hoare annotation was computed. [2020-07-21 12:03:39,914 INFO L268 CegarLoopResult]: For program point L314-5(lines 314 326) no Hoare annotation was computed. [2020-07-21 12:03:39,914 INFO L268 CegarLoopResult]: For program point L306-1(lines 306 313) no Hoare annotation was computed. [2020-07-21 12:03:39,914 INFO L271 CegarLoopResult]: At program point L306-3(lines 306 313) the Hoare annotation is: true [2020-07-21 12:03:39,914 INFO L268 CegarLoopResult]: For program point L302(lines 302 305) no Hoare annotation was computed. [2020-07-21 12:03:39,914 INFO L268 CegarLoopResult]: For program point L306-4(lines 306 313) no Hoare annotation was computed. [2020-07-21 12:03:39,914 INFO L268 CegarLoopResult]: For program point Id_MCDC_96FINAL(lines 298 328) no Hoare annotation was computed. [2020-07-21 12:03:39,915 INFO L268 CegarLoopResult]: For program point L309(lines 309 312) no Hoare annotation was computed. [2020-07-21 12:03:39,915 INFO L271 CegarLoopResult]: At program point Id_MCDC_96ENTRY(lines 298 328) the Hoare annotation is: true [2020-07-21 12:03:39,915 INFO L268 CegarLoopResult]: For program point Id_MCDC_96EXIT(lines 298 328) no Hoare annotation was computed. [2020-07-21 12:03:39,915 INFO L268 CegarLoopResult]: For program point Id_MCDC_92EXIT(lines 247 277) no Hoare annotation was computed. [2020-07-21 12:03:39,916 INFO L268 CegarLoopResult]: For program point Id_MCDC_92FINAL(lines 247 277) no Hoare annotation was computed. [2020-07-21 12:03:39,916 INFO L268 CegarLoopResult]: For program point L259(lines 259 267) no Hoare annotation was computed. [2020-07-21 12:03:39,916 INFO L268 CegarLoopResult]: For program point L253(lines 253 267) no Hoare annotation was computed. [2020-07-21 12:03:39,916 INFO L271 CegarLoopResult]: At program point Id_MCDC_92ENTRY(lines 247 277) the Hoare annotation is: true [2020-07-21 12:03:39,916 INFO L271 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: true [2020-07-21 12:03:39,916 INFO L268 CegarLoopResult]: For program point L272-1(line 272) no Hoare annotation was computed. [2020-07-21 12:03:39,917 INFO L271 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: true [2020-07-21 12:03:39,917 INFO L268 CegarLoopResult]: For program point L270-1(line 270) no Hoare annotation was computed. [2020-07-21 12:03:39,917 INFO L268 CegarLoopResult]: For program point L268-1(lines 248 277) no Hoare annotation was computed. [2020-07-21 12:03:39,917 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 275) no Hoare annotation was computed. [2020-07-21 12:03:39,917 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:03:39,918 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:03:39,918 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:03:39,918 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:03:39,918 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-21 12:03:39,918 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:03:39,918 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:03:39,919 INFO L268 CegarLoopResult]: For program point avoid_zeroEXIT(lines 7 13) no Hoare annotation was computed. [2020-07-21 12:03:39,919 INFO L268 CegarLoopResult]: For program point L9(lines 9 12) no Hoare annotation was computed. [2020-07-21 12:03:39,919 INFO L268 CegarLoopResult]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2020-07-21 12:03:39,919 INFO L271 CegarLoopResult]: At program point avoid_zeroENTRY(lines 7 13) the Hoare annotation is: true [2020-07-21 12:03:39,919 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 457 464) the Hoare annotation is: true [2020-07-21 12:03:39,919 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-21 12:03:39,920 INFO L268 CegarLoopResult]: For program point L459(lines 459 462) no Hoare annotation was computed. [2020-07-21 12:03:39,920 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 457 464) no Hoare annotation was computed. [2020-07-21 12:03:39,920 INFO L268 CegarLoopResult]: For program point L459-2(lines 457 464) no Hoare annotation was computed. [2020-07-21 12:03:39,920 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2020-07-21 12:03:39,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:03:39 BoogieIcfgContainer [2020-07-21 12:03:39,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:03:39,941 INFO L168 Benchmark]: Toolchain (without parser) took 5044.84 ms. Allocated memory was 148.9 MB in the beginning and 241.2 MB in the end (delta: 92.3 MB). Free memory was 105.7 MB in the beginning and 202.3 MB in the end (delta: -96.6 MB). Peak memory consumption was 100.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:03:39,944 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 148.9 MB. Free memory was 125.0 MB in the beginning and 124.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 12:03:39,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.74 ms. Allocated memory was 148.9 MB in the beginning and 207.1 MB in the end (delta: 58.2 MB). Free memory was 105.3 MB in the beginning and 177.5 MB in the end (delta: -72.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-07-21 12:03:39,946 INFO L168 Benchmark]: Boogie Preprocessor took 100.12 ms. Allocated memory is still 207.1 MB. Free memory was 177.5 MB in the beginning and 173.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-07-21 12:03:39,947 INFO L168 Benchmark]: RCFGBuilder took 2591.21 ms. Allocated memory is still 207.1 MB. Free memory was 173.7 MB in the beginning and 111.2 MB in the end (delta: 62.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:03:39,949 INFO L168 Benchmark]: TraceAbstraction took 1605.53 ms. Allocated memory was 207.1 MB in the beginning and 241.2 MB in the end (delta: 34.1 MB). Free memory was 110.6 MB in the beginning and 202.3 MB in the end (delta: -91.6 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2020-07-21 12:03:39,956 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 148.9 MB. Free memory was 125.0 MB in the beginning and 124.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.74 ms. Allocated memory was 148.9 MB in the beginning and 207.1 MB in the end (delta: 58.2 MB). Free memory was 105.3 MB in the beginning and 177.5 MB in the end (delta: -72.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.12 ms. Allocated memory is still 207.1 MB. Free memory was 177.5 MB in the beginning and 173.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2591.21 ms. Allocated memory is still 207.1 MB. Free memory was 173.7 MB in the beginning and 111.2 MB in the end (delta: 62.5 MB). Peak memory consumption was 62.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1605.53 ms. Allocated memory was 207.1 MB in the beginning and 241.2 MB in the end (delta: 34.1 MB). Free memory was 110.6 MB in the beginning and 202.3 MB in the end (delta: -91.6 MB). Peak memory consumption was 47.4 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: 1 - 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, 132 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 335 SDtfs, 5 SDslu, 317 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 76 PreInvPairs, 91 NumberOfFragments, 34 HoareAnnotationTreeSize, 76 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 3040 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1066 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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...