/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/ldv-regression/rule57_ebda_blast.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:20:41,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:20:41,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:20:41,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:20:41,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:20:41,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:20:41,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:20:41,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:20:41,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:20:41,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:20:41,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:20:41,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:20:41,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:20:41,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:20:41,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:20:41,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:20:41,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:20:41,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:20:41,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:20:41,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:20:41,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:20:41,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:20:41,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:20:41,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:20:41,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 11:20:41,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:20:41,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:20:41,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:20:41,909 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 11:20:41,946 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:20:41,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:20:41,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:20:41,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:20:41,953 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:20:41,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:20:41,954 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:20:41,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:20:41,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:20:41,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:20:41,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:20:41,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:20:41,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:20:41,957 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:20:41,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:20:41,957 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:20:41,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:20:41,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:20:41,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:20:41,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:20:41,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:20:41,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:20:41,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:20:41,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:20:41,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:20:41,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:20:41,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:20:41,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:20:41,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:20:41,960 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 11:20:42,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:20:42,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:20:42,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:20:42,310 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:20:42,310 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:20:42,311 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-07-21 11:20:42,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3682bd90/3b7b9cc407e049219d41756bc93907a4/FLAGd16b63d1e [2020-07-21 11:20:42,974 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:20:42,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-07-21 11:20:42,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3682bd90/3b7b9cc407e049219d41756bc93907a4/FLAGd16b63d1e [2020-07-21 11:20:43,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3682bd90/3b7b9cc407e049219d41756bc93907a4 [2020-07-21 11:20:43,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:20:43,325 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:20:43,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:20:43,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:20:43,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:20:43,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:20:43" (1/1) ... [2020-07-21 11:20:43,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46df0683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:20:43, skipping insertion in model container [2020-07-21 11:20:43,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:20:43" (1/1) ... [2020-07-21 11:20:43,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:20:43,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:20:43,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:20:43,603 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:20:43,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:20:43,776 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:20:43,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:20:43 WrapperNode [2020-07-21 11:20:43,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:20:43,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:20:43,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:20:43,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:20:43,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:20:43" (1/1) ... [2020-07-21 11:20:43,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:20:43" (1/1) ... [2020-07-21 11:20:43,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:20:43" (1/1) ... [2020-07-21 11:20:43,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:20:43" (1/1) ... [2020-07-21 11:20:43,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:20:43" (1/1) ... [2020-07-21 11:20:43,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:20:43" (1/1) ... [2020-07-21 11:20:43,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:20:43" (1/1) ... [2020-07-21 11:20:43,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:20:43,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:20:43,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:20:43,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:20:43,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:20:43" (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 11:20:43,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:20:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:20:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-21 11:20:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-07-21 11:20:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-21 11:20:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-07-21 11:20:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-07-21 11:20:43,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-07-21 11:20:43,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-07-21 11:20:43,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:20:43,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-21 11:20:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:20:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-21 11:20:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-21 11:20:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-07-21 11:20:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 11:20:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-21 11:20:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-21 11:20:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-07-21 11:20:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 11:20:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-07-21 11:20:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-07-21 11:20:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-07-21 11:20:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 11:20:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 11:20:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 11:20:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:20:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:20:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:20:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 11:20:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 11:20:44,385 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:20:44,386 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 11:20:44,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:20:44 BoogieIcfgContainer [2020-07-21 11:20:44,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:20:44,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:20:44,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:20:44,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:20:44,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:20:43" (1/3) ... [2020-07-21 11:20:44,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f20e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:20:44, skipping insertion in model container [2020-07-21 11:20:44,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:20:43" (2/3) ... [2020-07-21 11:20:44,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f20e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:20:44, skipping insertion in model container [2020-07-21 11:20:44,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:20:44" (3/3) ... [2020-07-21 11:20:44,400 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-07-21 11:20:44,409 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:20:44,416 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:20:44,429 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:20:44,451 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:20:44,451 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:20:44,452 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:20:44,452 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:20:44,452 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:20:44,452 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:20:44,453 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:20:44,453 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:20:44,472 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-07-21 11:20:44,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-21 11:20:44,478 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:20:44,478 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] [2020-07-21 11:20:44,479 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:20:44,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:20:44,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1185591928, now seen corresponding path program 1 times [2020-07-21 11:20:44,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:20:44,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [531963209] [2020-07-21 11:20:44,494 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 11:20:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:20:44,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:20:44,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:20:44,777 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 11:20:44,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:20:44,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [531963209] [2020-07-21 11:20:44,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:20:44,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 11:20:44,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948954568] [2020-07-21 11:20:44,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 11:20:44,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:20:44,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 11:20:44,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 11:20:44,806 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 4 states. [2020-07-21 11:20:45,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:20:45,086 INFO L93 Difference]: Finished difference Result 107 states and 122 transitions. [2020-07-21 11:20:45,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 11:20:45,089 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-07-21 11:20:45,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:20:45,101 INFO L225 Difference]: With dead ends: 107 [2020-07-21 11:20:45,101 INFO L226 Difference]: Without dead ends: 64 [2020-07-21 11:20:45,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 11:20:45,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-07-21 11:20:45,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-07-21 11:20:45,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-07-21 11:20:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions. [2020-07-21 11:20:45,167 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 26 [2020-07-21 11:20:45,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:20:45,170 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 66 transitions. [2020-07-21 11:20:45,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 11:20:45,170 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2020-07-21 11:20:45,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 11:20:45,174 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:20:45,174 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:20:45,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:20:45,382 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:20:45,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:20:45,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1781879045, now seen corresponding path program 1 times [2020-07-21 11:20:45,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:20:45,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636736189] [2020-07-21 11:20:45,385 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 11:20:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:20:45,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 11:20:45,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:20:45,590 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-21 11:20:45,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:20:45,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636736189] [2020-07-21 11:20:45,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:20:45,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:20:45,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990496406] [2020-07-21 11:20:45,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:20:45,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:20:45,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:20:45,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:20:45,595 INFO L87 Difference]: Start difference. First operand 64 states and 66 transitions. Second operand 3 states. [2020-07-21 11:20:45,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:20:45,613 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2020-07-21 11:20:45,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:20:45,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-21 11:20:45,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:20:45,615 INFO L225 Difference]: With dead ends: 64 [2020-07-21 11:20:45,615 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 11:20:45,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 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 11:20:45,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 11:20:45,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 11:20:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 11:20:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 11:20:45,619 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-07-21 11:20:45,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:20:45,619 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 11:20:45,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:20:45,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 11:20:45,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 11:20:45,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:20:45,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 11:20:46,141 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 54 56) no Hoare annotation was computed. [2020-07-21 11:20:46,142 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-21 11:20:46,142 INFO L271 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 54 56) the Hoare annotation is: true [2020-07-21 11:20:46,142 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 54 56) no Hoare annotation was computed. [2020-07-21 11:20:46,143 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:20:46,143 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-07-21 11:20:46,143 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:20:46,143 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-07-21 11:20:46,144 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 48 51) no Hoare annotation was computed. [2020-07-21 11:20:46,145 INFO L268 CegarLoopResult]: For program point L49-2(lines 48 51) no Hoare annotation was computed. [2020-07-21 11:20:46,145 INFO L264 CegarLoopResult]: At program point kfreeENTRY(lines 48 51) the Hoare annotation is: (<= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-07-21 11:20:46,145 INFO L271 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: true [2020-07-21 11:20:46,146 INFO L268 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-07-21 11:20:46,146 INFO L268 CegarLoopResult]: For program point kzallocEXIT(line 46) no Hoare annotation was computed. [2020-07-21 11:20:46,146 INFO L271 CegarLoopResult]: At program point kzallocENTRY(line 46) the Hoare annotation is: true [2020-07-21 11:20:46,146 INFO L268 CegarLoopResult]: For program point kzallocFINAL(line 46) no Hoare annotation was computed. [2020-07-21 11:20:46,147 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-07-21 11:20:46,147 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-07-21 11:20:46,147 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-07-21 11:20:46,147 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-07-21 11:20:46,147 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-07-21 11:20:46,148 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 65 68) no Hoare annotation was computed. [2020-07-21 11:20:46,148 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 65 68) no Hoare annotation was computed. [2020-07-21 11:20:46,148 INFO L268 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-07-21 11:20:46,149 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 70 131) no Hoare annotation was computed. [2020-07-21 11:20:46,151 INFO L264 CegarLoopResult]: At program point L126(lines 70 131) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (<= 1 ~freed_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-07-21 11:20:46,151 INFO L264 CegarLoopResult]: At program point L120(lines 70 131) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (<= 1 ~freed_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-07-21 11:20:46,151 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-07-21 11:20:46,152 INFO L268 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-07-21 11:20:46,152 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-07-21 11:20:46,152 INFO L264 CegarLoopResult]: At program point L83(line 83) the Hoare annotation is: (or (<= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-07-21 11:20:46,152 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-07-21 11:20:46,153 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-07-21 11:20:46,153 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-07-21 11:20:46,153 INFO L268 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-07-21 11:20:46,153 INFO L271 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: true [2020-07-21 11:20:46,154 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-07-21 11:20:46,154 INFO L264 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 70 131) the Hoare annotation is: (or (<= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-07-21 11:20:46,154 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (<= 1 ~freed_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-07-21 11:20:46,154 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 70 131) no Hoare annotation was computed. [2020-07-21 11:20:46,155 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-07-21 11:20:46,155 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-07-21 11:20:46,157 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-07-21 11:20:46,157 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (or (<= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-07-21 11:20:46,157 INFO L268 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2020-07-21 11:20:46,158 INFO L271 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: true [2020-07-21 11:20:46,158 INFO L268 CegarLoopResult]: For program point L101-1(line 101) no Hoare annotation was computed. [2020-07-21 11:20:46,158 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:20:46,159 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 1 ~freed_tmp_slot~0) [2020-07-21 11:20:46,159 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:20:46,159 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:20:46,159 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 133 137) the Hoare annotation is: (or (<= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-07-21 11:20:46,160 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 133 137) no Hoare annotation was computed. [2020-07-21 11:20:46,160 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 11:20:46,160 INFO L268 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-07-21 11:20:46,160 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-07-21 11:20:46,160 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: (not (<= 1 |old(~freed_tmp_slot~0)|)) [2020-07-21 11:20:46,161 INFO L268 CegarLoopResult]: For program point L135-1(lines 133 137) no Hoare annotation was computed. [2020-07-21 11:20:46,161 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-07-21 11:20:46,162 INFO L268 CegarLoopResult]: For program point fillslotinfoEXIT(lines 60 63) no Hoare annotation was computed. [2020-07-21 11:20:46,162 INFO L268 CegarLoopResult]: For program point fillslotinfoFINAL(lines 60 63) no Hoare annotation was computed. [2020-07-21 11:20:46,162 INFO L271 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:20:46,162 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:20:46,163 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:20:46,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:20:46 BoogieIcfgContainer [2020-07-21 11:20:46,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:20:46,218 INFO L168 Benchmark]: Toolchain (without parser) took 2892.71 ms. Allocated memory was 140.0 MB in the beginning and 234.9 MB in the end (delta: 94.9 MB). Free memory was 103.1 MB in the beginning and 162.0 MB in the end (delta: -58.8 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2020-07-21 11:20:46,223 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 11:20:46,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.31 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.7 MB in the beginning and 182.4 MB in the end (delta: -79.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:20:46,229 INFO L168 Benchmark]: Boogie Preprocessor took 54.83 ms. Allocated memory is still 203.4 MB. Free memory was 182.4 MB in the beginning and 180.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-21 11:20:46,230 INFO L168 Benchmark]: RCFGBuilder took 556.19 ms. Allocated memory is still 203.4 MB. Free memory was 180.0 MB in the beginning and 155.9 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-07-21 11:20:46,233 INFO L168 Benchmark]: TraceAbstraction took 1820.61 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 155.3 MB in the beginning and 162.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:20:46,243 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 452.31 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.7 MB in the beginning and 182.4 MB in the end (delta: -79.6 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.83 ms. Allocated memory is still 203.4 MB. Free memory was 182.4 MB in the beginning and 180.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 556.19 ms. Allocated memory is still 203.4 MB. Free memory was 180.0 MB in the beginning and 155.9 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1820.61 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 155.3 MB in the beginning and 162.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 70]: Loop Invariant Derived loop invariant: (1 <= used_tmp_slot || 1 <= freed_tmp_slot) || !(1 <= \old(freed_tmp_slot)) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (1 <= used_tmp_slot || 1 <= freed_tmp_slot) || !(1 <= \old(freed_tmp_slot)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 3, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 126 SDtfs, 71 SDslu, 82 SDs, 0 SdLazy, 55 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred 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, 23 LocationsWithAnnotation, 31 PreInvPairs, 35 NumberOfFragments, 104 HoareAnnotationTreeSize, 31 FomulaSimplifications, 7 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 23 FomulaSimplificationsInter, 110 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 7153 SizeOfPredicates, 3 NumberOfNonLiveVariables, 524 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 24/24 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...