/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/callfpointer.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:19:53,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:19:53,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:19:53,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:19:53,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:19:53,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:19:53,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:19:53,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:19:53,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:19:53,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:19:53,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:19:53,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:19:53,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:19:53,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:19:53,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:19:53,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:19:53,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:19:53,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:19:53,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:19:53,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:19:53,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:19:53,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:19:53,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:19:53,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:19:53,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 11:19:53,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:19:53,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:19:53,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:19:53,640 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 11:19:53,664 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:19:53,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:19:53,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:19:53,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:19:53,667 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:19:53,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:19:53,667 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:19:53,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:19:53,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:19:53,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:19:53,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:19:53,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:19:53,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:19:53,670 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:19:53,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:19:53,670 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:19:53,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:19:53,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:19:53,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:19:53,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:19:53,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:19:53,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:19:53,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:19:53,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:19:53,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:19:53,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:19:53,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:19:53,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:19:53,673 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:19:53,673 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 11:19:53,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:19:54,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:19:54,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:19:54,026 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:19:54,029 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:19:54,030 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/callfpointer.i [2020-07-21 11:19:54,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e831c2d2/194cb6bca3244beb8e33cbd1710ba00b/FLAG2694279e5 [2020-07-21 11:19:54,657 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:19:54,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/callfpointer.i [2020-07-21 11:19:54,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e831c2d2/194cb6bca3244beb8e33cbd1710ba00b/FLAG2694279e5 [2020-07-21 11:19:54,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e831c2d2/194cb6bca3244beb8e33cbd1710ba00b [2020-07-21 11:19:54,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:19:54,992 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:19:54,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:19:54,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:19:54,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:19:55,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:19:54" (1/1) ... [2020-07-21 11:19:55,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f275fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:55, skipping insertion in model container [2020-07-21 11:19:55,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:19:54" (1/1) ... [2020-07-21 11:19:55,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:19:55,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:19:55,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:19:55,258 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:19:55,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:19:55,287 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:19:55,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:55 WrapperNode [2020-07-21 11:19:55,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:19:55,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:19:55,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:19:55,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:19:55,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:55" (1/1) ... [2020-07-21 11:19:55,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:55" (1/1) ... [2020-07-21 11:19:55,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:55" (1/1) ... [2020-07-21 11:19:55,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:55" (1/1) ... [2020-07-21 11:19:55,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:55" (1/1) ... [2020-07-21 11:19:55,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:55" (1/1) ... [2020-07-21 11:19:55,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:55" (1/1) ... [2020-07-21 11:19:55,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:19:55,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:19:55,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:19:55,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:19:55,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:55" (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 11:19:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:19:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:19:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-07-21 11:19:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-21 11:19:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure h [2020-07-21 11:19:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:19:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:19:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-21 11:19:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-07-21 11:19:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure h [2020-07-21 11:19:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:19:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:19:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:19:55,671 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:19:55,671 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 11:19:55,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:19:55 BoogieIcfgContainer [2020-07-21 11:19:55,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:19:55,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:19:55,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:19:55,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:19:55,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:19:54" (1/3) ... [2020-07-21 11:19:55,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45980439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:19:55, skipping insertion in model container [2020-07-21 11:19:55,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:19:55" (2/3) ... [2020-07-21 11:19:55,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45980439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:19:55, skipping insertion in model container [2020-07-21 11:19:55,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:19:55" (3/3) ... [2020-07-21 11:19:55,686 INFO L109 eAbstractionObserver]: Analyzing ICFG callfpointer.i [2020-07-21 11:19:55,700 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:19:55,711 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:19:55,749 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:19:55,840 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:19:55,841 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:19:55,844 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:19:55,845 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:19:55,846 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:19:55,847 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:19:55,847 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:19:55,847 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:19:55,870 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-07-21 11:19:55,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-21 11:19:55,878 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:19:55,882 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:19:55,882 INFO L427 AbstractCegarLoop]: === Iteration 1 === [hErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:19:55,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:19:55,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1027422766, now seen corresponding path program 1 times [2020-07-21 11:19:55,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:19:55,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [318784154] [2020-07-21 11:19:55,902 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 11:19:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-21 11:19:55,975 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 11:19:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-21 11:19:55,986 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 11:19:56,011 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-21 11:19:56,012 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-21 11:19:56,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:19:56,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:19:56 BoogieIcfgContainer [2020-07-21 11:19:56,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:19:56,270 INFO L168 Benchmark]: Toolchain (without parser) took 1278.84 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 102.4 MB in the beginning and 155.8 MB in the end (delta: -53.4 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2020-07-21 11:19:56,271 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 137.9 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 11:19:56,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.90 ms. Allocated memory is still 137.9 MB. Free memory was 102.0 MB in the beginning and 93.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2020-07-21 11:19:56,275 INFO L168 Benchmark]: Boogie Preprocessor took 32.02 ms. Allocated memory is still 137.9 MB. Free memory was 93.0 MB in the beginning and 91.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-07-21 11:19:56,278 INFO L168 Benchmark]: RCFGBuilder took 354.42 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 91.3 MB in the beginning and 171.3 MB in the end (delta: -80.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2020-07-21 11:19:56,279 INFO L168 Benchmark]: TraceAbstraction took 588.80 ms. Allocated memory is still 202.9 MB. Free memory was 170.3 MB in the beginning and 155.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2020-07-21 11:19:56,290 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 137.9 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 294.90 ms. Allocated memory is still 137.9 MB. Free memory was 102.0 MB in the beginning and 93.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.02 ms. Allocated memory is still 137.9 MB. Free memory was 93.0 MB in the beginning and 91.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 354.42 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 91.3 MB in the beginning and 171.3 MB in the end (delta: -80.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 588.80 ms. Allocated memory is still 202.9 MB. Free memory was 170.3 MB in the beginning and 155.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 14]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L20] CALL f(h) VAL [g={-1:0}] [L9] CALL g(1) [L13] COND TRUE i==1 VAL [\old(i)=1, i=1] [L14] __VERIFIER_error() VAL [\old(i)=1, i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, 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=24occurred 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, 12 NumberOfCodeBlocks, 12 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...