/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 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector-regression/integerpromotion-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 19:15:36,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 19:15:36,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 19:15:36,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 19:15:36,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 19:15:36,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 19:15:36,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 19:15:36,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 19:15:36,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 19:15:36,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 19:15:36,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 19:15:36,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 19:15:36,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 19:15:36,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 19:15:36,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 19:15:36,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 19:15:36,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 19:15:36,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 19:15:36,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 19:15:36,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 19:15:36,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 19:15:36,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 19:15:36,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 19:15:36,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 19:15:36,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 19:15:36,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 19:15:36,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 19:15:36,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 19:15:36,734 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 19:15:36,749 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 19:15:36,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 19:15:36,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 19:15:36,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 19:15:36,751 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 19:15:36,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 19:15:36,752 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 19:15:36,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 19:15:36,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 19:15:36,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 19:15:36,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 19:15:36,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 19:15:36,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 19:15:36,753 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 19:15:36,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 19:15:36,753 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 19:15:36,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 19:15:36,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 19:15:36,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 19:15:36,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 19:15:36,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 19:15:36,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 19:15:36,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 19:15:36,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 19:15:36,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 19:15:36,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 19:15:36,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:15:36,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 19:15:36,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 19:15:36,756 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 -> 2 [2020-07-21 19:15:37,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 19:15:37,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 19:15:37,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 19:15:37,064 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 19:15:37,064 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 19:15:37,065 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/integerpromotion-3.c [2020-07-21 19:15:37,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5bd23ac/7b0600f0d62d47bca8b4706e531ac942/FLAG5f3e6673b [2020-07-21 19:15:37,626 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 19:15:37,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/integerpromotion-3.c [2020-07-21 19:15:37,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5bd23ac/7b0600f0d62d47bca8b4706e531ac942/FLAG5f3e6673b [2020-07-21 19:15:37,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5bd23ac/7b0600f0d62d47bca8b4706e531ac942 [2020-07-21 19:15:37,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 19:15:37,994 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 19:15:37,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 19:15:37,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 19:15:37,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 19:15:38,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 07:15:37" (1/1) ... [2020-07-21 19:15:38,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143da84a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:15:38, skipping insertion in model container [2020-07-21 19:15:38,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 07:15:37" (1/1) ... [2020-07-21 19:15:38,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 19:15:38,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 19:15:38,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 19:15:38,215 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 19:15:38,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 19:15:38,244 INFO L208 MainTranslator]: Completed translation [2020-07-21 19:15:38,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:15:38 WrapperNode [2020-07-21 19:15:38,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 19:15:38,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 19:15:38,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 19:15:38,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 19:15:38,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:15:38" (1/1) ... [2020-07-21 19:15:38,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:15:38" (1/1) ... [2020-07-21 19:15:38,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:15:38" (1/1) ... [2020-07-21 19:15:38,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:15:38" (1/1) ... [2020-07-21 19:15:38,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:15:38" (1/1) ... [2020-07-21 19:15:38,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:15:38" (1/1) ... [2020-07-21 19:15:38,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:15:38" (1/1) ... [2020-07-21 19:15:38,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 19:15:38,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 19:15:38,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 19:15:38,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 19:15:38,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:15:38" (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 19:15:38,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 19:15:38,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 19:15:38,419 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 19:15:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 19:15:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 19:15:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 19:15:38,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 19:15:38,558 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 19:15:38,559 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 19:15:38,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 07:15:38 BoogieIcfgContainer [2020-07-21 19:15:38,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 19:15:38,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 19:15:38,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 19:15:38,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 19:15:38,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 07:15:37" (1/3) ... [2020-07-21 19:15:38,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b928e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 07:15:38, skipping insertion in model container [2020-07-21 19:15:38,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 07:15:38" (2/3) ... [2020-07-21 19:15:38,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b928e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 07:15:38, skipping insertion in model container [2020-07-21 19:15:38,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 07:15:38" (3/3) ... [2020-07-21 19:15:38,570 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2020-07-21 19:15:38,579 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 19:15:38,585 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 19:15:38,596 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 19:15:38,617 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 19:15:38,617 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 19:15:38,618 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 19:15:38,618 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 19:15:38,618 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 19:15:38,618 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 19:15:38,618 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 19:15:38,618 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 19:15:38,637 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-07-21 19:15:38,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-21 19:15:38,643 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 19:15:38,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-21 19:15:38,645 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 19:15:38,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 19:15:38,651 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2020-07-21 19:15:38,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 19:15:38,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [970630105] [2020-07-21 19:15:38,661 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 19:15:38,707 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 19:15:38,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-07-21 19:15:38,708 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 19:15:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-21 19:15:38,714 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 19:15:38,727 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-21 19:15:38,728 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-21 19:15:38,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 19:15:38,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 07:15:38 BoogieIcfgContainer [2020-07-21 19:15:38,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 19:15:38,967 INFO L168 Benchmark]: Toolchain (without parser) took 972.80 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 103.8 MB in the beginning and 158.5 MB in the end (delta: -54.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-07-21 19:15:38,968 INFO L168 Benchmark]: CDTParser took 3.08 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 19:15:38,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.99 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 94.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-07-21 19:15:38,970 INFO L168 Benchmark]: Boogie Preprocessor took 25.04 ms. Allocated memory is still 138.4 MB. Free memory was 94.1 MB in the beginning and 92.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-21 19:15:38,971 INFO L168 Benchmark]: RCFGBuilder took 291.10 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 92.8 MB in the beginning and 172.2 MB in the end (delta: -79.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-21 19:15:38,972 INFO L168 Benchmark]: TraceAbstraction took 401.25 ms. Allocated memory is still 202.4 MB. Free memory was 171.5 MB in the beginning and 158.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-07-21 19:15:38,976 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.08 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.99 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 94.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.04 ms. Allocated memory is still 138.4 MB. Free memory was 94.1 MB in the beginning and 92.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 291.10 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 92.8 MB in the beginning and 172.2 MB in the end (delta: -79.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 401.25 ms. Allocated memory is still 202.4 MB. Free memory was 171.5 MB in the beginning and 158.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseComplement at line 6. Possible FailurePath: [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=250] [L7] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L12] __VERIFIER_error() VAL [port=90, result_8=250] - 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, 2 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...