/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector-regression/signextension-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 21:08:08,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 21:08:08,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 21:08:08,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 21:08:08,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 21:08:08,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 21:08:08,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 21:08:08,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 21:08:08,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 21:08:08,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 21:08:08,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 21:08:08,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 21:08:08,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 21:08:08,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 21:08:08,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 21:08:08,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 21:08:08,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 21:08:08,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 21:08:08,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 21:08:08,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 21:08:08,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 21:08:08,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 21:08:08,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 21:08:08,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 21:08:08,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 21:08:08,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 21:08:08,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 21:08:08,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 21:08:08,882 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 [2020-07-20 21:08:08,900 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 21:08:08,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 21:08:08,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 21:08:08,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 21:08:08,902 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 21:08:08,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 21:08:08,903 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 21:08:08,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 21:08:08,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 21:08:08,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 21:08:08,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 21:08:08,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 21:08:08,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 21:08:08,905 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 21:08:08,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 21:08:08,906 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 21:08:08,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 21:08:08,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 21:08:08,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 21:08:08,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 21:08:08,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 21:08:08,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 21:08:08,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 21:08:08,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 21:08:08,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 21:08:08,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 21:08:08,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:08:08,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 21:08:08,908 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 21:08:08,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 21:08:09,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 21:08:09,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 21:08:09,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 21:08:09,222 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 21:08:09,223 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 21:08:09,223 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension-1.c [2020-07-20 21:08:09,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdca04869/56f00fd45da9418fa19fd35e4a3a4417/FLAG582ae093c [2020-07-20 21:08:09,709 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 21:08:09,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension-1.c [2020-07-20 21:08:09,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdca04869/56f00fd45da9418fa19fd35e4a3a4417/FLAG582ae093c [2020-07-20 21:08:10,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdca04869/56f00fd45da9418fa19fd35e4a3a4417 [2020-07-20 21:08:10,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 21:08:10,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 21:08:10,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 21:08:10,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 21:08:10,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 21:08:10,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:08:10" (1/1) ... [2020-07-20 21:08:10,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21bc1a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:08:10, skipping insertion in model container [2020-07-20 21:08:10,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:08:10" (1/1) ... [2020-07-20 21:08:10,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 21:08:10,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 21:08:10,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 21:08:10,309 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 21:08:10,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 21:08:10,337 INFO L208 MainTranslator]: Completed translation [2020-07-20 21:08:10,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:08:10 WrapperNode [2020-07-20 21:08:10,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 21:08:10,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 21:08:10,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 21:08:10,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 21:08:10,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:08:10" (1/1) ... [2020-07-20 21:08:10,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:08:10" (1/1) ... [2020-07-20 21:08:10,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:08:10" (1/1) ... [2020-07-20 21:08:10,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:08:10" (1/1) ... [2020-07-20 21:08:10,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:08:10" (1/1) ... [2020-07-20 21:08:10,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:08:10" (1/1) ... [2020-07-20 21:08:10,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:08:10" (1/1) ... [2020-07-20 21:08:10,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 21:08:10,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 21:08:10,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 21:08:10,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 21:08:10,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:08:10" (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 [2020-07-20 21:08:10,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 21:08:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 21:08:10,495 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 21:08:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 21:08:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 21:08:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 21:08:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 21:08:10,637 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 21:08:10,637 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 21:08:10,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:08:10 BoogieIcfgContainer [2020-07-20 21:08:10,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 21:08:10,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 21:08:10,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 21:08:10,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 21:08:10,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 09:08:10" (1/3) ... [2020-07-20 21:08:10,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d80907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:08:10, skipping insertion in model container [2020-07-20 21:08:10,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:08:10" (2/3) ... [2020-07-20 21:08:10,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d80907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:08:10, skipping insertion in model container [2020-07-20 21:08:10,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:08:10" (3/3) ... [2020-07-20 21:08:10,648 INFO L109 eAbstractionObserver]: Analyzing ICFG signextension-1.c [2020-07-20 21:08:10,658 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 21:08:10,665 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 21:08:10,677 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 21:08:10,699 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 21:08:10,700 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 21:08:10,700 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 21:08:10,700 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 21:08:10,700 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 21:08:10,700 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 21:08:10,701 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 21:08:10,701 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 21:08:10,716 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-07-20 21:08:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-20 21:08:10,721 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 21:08:10,722 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-20 21:08:10,723 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 21:08:10,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 21:08:10,728 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2020-07-20 21:08:10,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 21:08:10,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736283323] [2020-07-20 21:08:10,735 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:08:10,794 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 21:08:10,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-07-20 21:08:10,795 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 21:08:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 21:08:10,802 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 21:08:10,817 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-20 21:08:10,818 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 21:08:11,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:08:11,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 09:08:11 BoogieIcfgContainer [2020-07-20 21:08:11,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 21:08:11,057 INFO L168 Benchmark]: Toolchain (without parser) took 948.47 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 101.2 MB in the beginning and 156.6 MB in the end (delta: -55.3 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2020-07-20 21:08:11,059 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 118.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 21:08:11,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.74 ms. Allocated memory is still 137.4 MB. Free memory was 101.0 MB in the beginning and 91.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-07-20 21:08:11,061 INFO L168 Benchmark]: Boogie Preprocessor took 20.76 ms. Allocated memory is still 137.4 MB. Free memory was 91.6 MB in the beginning and 90.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-07-20 21:08:11,062 INFO L168 Benchmark]: RCFGBuilder took 281.68 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 90.3 MB in the beginning and 170.7 MB in the end (delta: -80.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-20 21:08:11,062 INFO L168 Benchmark]: TraceAbstraction took 412.58 ms. Allocated memory is still 201.3 MB. Free memory was 170.7 MB in the beginning and 156.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-20 21:08:11,068 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 118.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 227.74 ms. Allocated memory is still 137.4 MB. Free memory was 101.0 MB in the beginning and 91.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.76 ms. Allocated memory is still 137.4 MB. Free memory was 91.6 MB in the beginning and 90.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 281.68 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 90.3 MB in the beginning and 170.7 MB in the end (delta: -80.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 412.58 ms. Allocated memory is still 201.3 MB. Free memory was 170.7 MB in the beginning and 156.6 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 25]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L5] unsigned short int allbits = -1; [L6] short int signedallbits = allbits; [L7] int unsignedtosigned = allbits; [L8] unsigned int unsignedtounsigned = allbits; [L9] int signedtosigned = signedallbits; [L10] unsigned int signedtounsigned = signedallbits; VAL [allbits=65535, signedallbits=-1, signedtosigned=-1, signedtounsigned=4294967295, unsignedtosigned=65535, unsignedtounsigned=65535] [L19-L20] COND TRUE unsignedtosigned == 65535 && unsignedtounsigned == 65535 && signedtosigned == -1 && signedtounsigned == 4294967295 VAL [allbits=65535, signedallbits=-1, signedtosigned=-1, signedtounsigned=4294967295, unsignedtosigned=65535, unsignedtounsigned=65535] [L25] __VERIFIER_error() VAL [allbits=65535, signedallbits=-1, signedtosigned=-1, signedtounsigned=4294967295, unsignedtosigned=65535, unsignedtounsigned=65535] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 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=12occurred 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 4 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...