/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/test12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:21:41,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:21:41,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:21:41,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:21:41,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:21:41,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:21:41,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:21:41,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:21:41,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:21:41,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:21:41,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:21:41,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:21:41,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:21:41,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:21:41,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:21:41,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:21:41,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:21:41,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:21:41,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:21:41,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:21:41,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:21:41,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:21:41,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:21:41,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:21:41,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 11:21:41,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:21:41,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:21:41,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:21:41,729 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 11:21:41,767 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:21:41,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:21:41,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:21:41,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:21:41,769 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:21:41,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:21:41,769 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:21:41,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:21:41,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:21:41,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:21:41,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:21:41,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:21:41,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:21:41,771 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:21:41,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:21:41,771 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:21:41,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:21:41,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:21:41,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:21:41,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:21:41,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:21:41,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:21:41,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:21:41,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:21:41,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:21:41,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:21:41,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:21:41,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:21:41,774 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:21:41,774 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 11:21:42,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:21:42,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:21:42,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:21:42,054 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:21:42,054 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:21:42,055 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test12.c [2020-07-21 11:21:42,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db35d771/1e90a24d9e3d47e483ad90c870566848/FLAG3af9f761c [2020-07-21 11:21:42,515 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:21:42,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test12.c [2020-07-21 11:21:42,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db35d771/1e90a24d9e3d47e483ad90c870566848/FLAG3af9f761c [2020-07-21 11:21:42,945 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db35d771/1e90a24d9e3d47e483ad90c870566848 [2020-07-21 11:21:42,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:21:42,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:21:42,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:21:42,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:21:42,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:21:42,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:21:42" (1/1) ... [2020-07-21 11:21:42,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2d09fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:21:42, skipping insertion in model container [2020-07-21 11:21:42,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:21:42" (1/1) ... [2020-07-21 11:21:42,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:21:42,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:21:43,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:21:43,203 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:21:43,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:21:43,240 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:21:43,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:21:43 WrapperNode [2020-07-21 11:21:43,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:21:43,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:21:43,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:21:43,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:21:43,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:21:43" (1/1) ... [2020-07-21 11:21:43,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:21:43" (1/1) ... [2020-07-21 11:21:43,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:21:43" (1/1) ... [2020-07-21 11:21:43,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:21:43" (1/1) ... [2020-07-21 11:21:43,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:21:43" (1/1) ... [2020-07-21 11:21:43,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:21:43" (1/1) ... [2020-07-21 11:21:43,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:21:43" (1/1) ... [2020-07-21 11:21:43,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:21:43,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:21:43,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:21:43,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:21:43,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:21:43" (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 11:21:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:21:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:21:43,405 INFO L138 BoogieDeclarations]: Found implementation of procedure equal [2020-07-21 11:21:43,405 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:21:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:21:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure equal [2020-07-21 11:21:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:21:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:21:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 11:21:43,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 11:21:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:21:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 11:21:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 11:21:43,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 11:21:43,595 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:21:43,596 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 11:21:43,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:21:43 BoogieIcfgContainer [2020-07-21 11:21:43,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:21:43,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:21:43,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:21:43,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:21:43,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:21:42" (1/3) ... [2020-07-21 11:21:43,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a503ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:21:43, skipping insertion in model container [2020-07-21 11:21:43,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:21:43" (2/3) ... [2020-07-21 11:21:43,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a503ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:21:43, skipping insertion in model container [2020-07-21 11:21:43,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:21:43" (3/3) ... [2020-07-21 11:21:43,628 INFO L109 eAbstractionObserver]: Analyzing ICFG test12.c [2020-07-21 11:21:43,654 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:21:43,668 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:21:43,701 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:21:43,724 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:21:43,724 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:21:43,725 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:21:43,725 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:21:43,725 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:21:43,725 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:21:43,725 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:21:43,725 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:21:43,740 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-07-21 11:21:43,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-21 11:21:43,744 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:21:43,745 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:21:43,745 INFO L427 AbstractCegarLoop]: === Iteration 1 === [equalErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:21:43,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:21:43,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1534444928, now seen corresponding path program 1 times [2020-07-21 11:21:43,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:21:43,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819188527] [2020-07-21 11:21:43,757 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 11:21:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-21 11:21:43,847 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 11:21:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-21 11:21:43,863 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 11:21:43,890 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-21 11:21:43,890 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-21 11:21:44,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:21:44,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:21:44 BoogieIcfgContainer [2020-07-21 11:21:44,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:21:44,133 INFO L168 Benchmark]: Toolchain (without parser) took 1177.13 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 100.9 MB in the beginning and 146.6 MB in the end (delta: -45.7 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:21:44,134 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 11:21:44,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.05 ms. Allocated memory is still 135.8 MB. Free memory was 100.5 MB in the beginning and 90.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:21:44,136 INFO L168 Benchmark]: Boogie Preprocessor took 106.77 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 90.7 MB in the beginning and 178.7 MB in the end (delta: -88.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-21 11:21:44,137 INFO L168 Benchmark]: RCFGBuilder took 256.58 ms. Allocated memory is still 200.3 MB. Free memory was 178.7 MB in the beginning and 165.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2020-07-21 11:21:44,138 INFO L168 Benchmark]: TraceAbstraction took 523.89 ms. Allocated memory is still 200.3 MB. Free memory was 165.3 MB in the beginning and 146.6 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2020-07-21 11:21:44,142 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 284.05 ms. Allocated memory is still 135.8 MB. Free memory was 100.5 MB in the beginning and 90.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.77 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 90.7 MB in the beginning and 178.7 MB in the end (delta: -88.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.58 ms. Allocated memory is still 200.3 MB. Free memory was 178.7 MB in the beginning and 165.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 523.89 ms. Allocated memory is still 200.3 MB. Free memory was 165.3 MB in the beginning and 146.6 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int a, b; VAL [\old(a)=10, \old(a)=5, \old(b)=7, \old(b)=8, a={2:0}, b={3:0}] [L17] CALL equal(&a, &b) VAL [a={2:0}, a={2:0}, b={3:0}, b={3:0}] [L5] COND TRUE a != b VAL [a={2:0}, a={2:0}, a={2:0}, b={3:0}, b={3:0}, b={3:0}] [L10] __VERIFIER_error() VAL [a={2:0}, a={2:0}, a={2:0}, b={3:0}, b={3:0}, b={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 incorrect! Received shutdown request...