/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 05:46:38,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 05:46:38,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 05:46:38,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 05:46:38,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 05:46:38,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 05:46:38,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 05:46:38,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 05:46:38,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 05:46:38,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 05:46:38,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 05:46:38,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 05:46:38,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 05:46:38,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 05:46:38,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 05:46:38,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 05:46:38,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 05:46:38,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 05:46:38,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 05:46:38,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 05:46:38,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 05:46:38,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 05:46:38,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 05:46:38,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 05:46:38,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 05:46:38,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 05:46:38,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 05:46:38,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 05:46:38,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 05:46:38,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 05:46:38,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 05:46:38,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 05:46:38,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 05:46:38,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 05:46:38,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 05:46:38,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 05:46:38,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 05:46:38,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 05:46:38,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 05:46:38,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 05:46:38,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 05:46:38,116 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 05:46:38,140 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 05:46:38,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 05:46:38,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 05:46:38,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 05:46:38,144 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 05:46:38,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 05:46:38,145 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 05:46:38,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 05:46:38,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 05:46:38,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 05:46:38,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 05:46:38,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 05:46:38,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 05:46:38,146 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 05:46:38,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 05:46:38,146 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 05:46:38,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 05:46:38,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 05:46:38,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 05:46:38,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 05:46:38,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 05:46:38,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 05:46:38,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 05:46:38,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 05:46:38,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 05:46:38,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 05:46:38,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 05:46:38,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 05:46:38,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 05:46:38,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 05:46:38,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 05:46:38,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 05:46:38,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 05:46:38,464 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 05:46:38,464 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 05:46:38,466 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test02.c [2020-07-20 05:46:38,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/150b562d8/74d06536cdde4880bd88cf09bb79f136/FLAG8b37d0213 [2020-07-20 05:46:38,984 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 05:46:38,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test02.c [2020-07-20 05:46:38,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/150b562d8/74d06536cdde4880bd88cf09bb79f136/FLAG8b37d0213 [2020-07-20 05:46:39,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/150b562d8/74d06536cdde4880bd88cf09bb79f136 [2020-07-20 05:46:39,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 05:46:39,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 05:46:39,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 05:46:39,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 05:46:39,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 05:46:39,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:46:39" (1/1) ... [2020-07-20 05:46:39,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bef7c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:46:39, skipping insertion in model container [2020-07-20 05:46:39,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:46:39" (1/1) ... [2020-07-20 05:46:39,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 05:46:39,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 05:46:39,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:46:39,561 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 05:46:39,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 05:46:39,590 INFO L208 MainTranslator]: Completed translation [2020-07-20 05:46:39,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:46:39 WrapperNode [2020-07-20 05:46:39,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 05:46:39,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 05:46:39,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 05:46:39,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 05:46:39,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:46:39" (1/1) ... [2020-07-20 05:46:39,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:46:39" (1/1) ... [2020-07-20 05:46:39,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:46:39" (1/1) ... [2020-07-20 05:46:39,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:46:39" (1/1) ... [2020-07-20 05:46:39,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:46:39" (1/1) ... [2020-07-20 05:46:39,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:46:39" (1/1) ... [2020-07-20 05:46:39,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:46:39" (1/1) ... [2020-07-20 05:46:39,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 05:46:39,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 05:46:39,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 05:46:39,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 05:46:39,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:46:39" (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 05:46:39,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 05:46:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 05:46:39,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 05:46:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 05:46:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 05:46:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 05:46:39,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 05:46:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 05:46:39,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 05:46:39,971 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 05:46:39,972 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 05:46:39,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:46:39 BoogieIcfgContainer [2020-07-20 05:46:39,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 05:46:39,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 05:46:39,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 05:46:39,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 05:46:39,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:46:39" (1/3) ... [2020-07-20 05:46:39,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5e5be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:46:39, skipping insertion in model container [2020-07-20 05:46:39,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:46:39" (2/3) ... [2020-07-20 05:46:39,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5e5be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:46:39, skipping insertion in model container [2020-07-20 05:46:39,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:46:39" (3/3) ... [2020-07-20 05:46:39,985 INFO L109 eAbstractionObserver]: Analyzing ICFG test02.c [2020-07-20 05:46:39,997 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 05:46:40,004 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 05:46:40,015 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 05:46:40,035 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 05:46:40,035 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 05:46:40,036 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 05:46:40,036 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 05:46:40,036 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 05:46:40,036 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 05:46:40,036 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 05:46:40,036 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 05:46:40,052 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-07-20 05:46:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-20 05:46:40,058 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 05:46:40,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 05:46:40,060 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 05:46:40,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 05:46:40,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1160017433, now seen corresponding path program 1 times [2020-07-20 05:46:40,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 05:46:40,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773348376] [2020-07-20 05:46:40,073 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@32d9f305 [2020-07-20 05:46:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 05:46:40,174 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 05:46:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 05:46:40,192 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 05:46:40,215 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-20 05:46:40,216 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 05:46:40,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 05:46:40,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:46:40 BoogieIcfgContainer [2020-07-20 05:46:40,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 05:46:40,252 INFO L168 Benchmark]: Toolchain (without parser) took 886.06 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 103.0 MB in the beginning and 158.2 MB in the end (delta: -55.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-20 05:46:40,254 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 138.9 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 05:46:40,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.86 ms. Allocated memory is still 138.9 MB. Free memory was 102.5 MB in the beginning and 93.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-07-20 05:46:40,258 INFO L168 Benchmark]: Boogie Preprocessor took 25.52 ms. Allocated memory is still 138.9 MB. Free memory was 93.2 MB in the beginning and 91.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2020-07-20 05:46:40,260 INFO L168 Benchmark]: RCFGBuilder took 358.50 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 91.7 MB in the beginning and 171.9 MB in the end (delta: -80.3 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2020-07-20 05:46:40,261 INFO L168 Benchmark]: TraceAbstraction took 269.42 ms. Allocated memory is still 203.9 MB. Free memory was 171.3 MB in the beginning and 158.2 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-07-20 05:46:40,267 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 138.9 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 225.86 ms. Allocated memory is still 138.9 MB. Free memory was 102.5 MB in the beginning and 93.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.52 ms. Allocated memory is still 138.9 MB. Free memory was 93.2 MB in the beginning and 91.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 358.50 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 91.7 MB in the beginning and 171.9 MB in the end (delta: -80.3 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 269.42 ms. Allocated memory is still 203.9 MB. Free memory was 171.3 MB in the beginning and 158.2 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: - CounterExampleResult [Line: 19]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] int q; VAL [\old(q)=6, q=0] [L7] int a, b; [L8] int *p1 = &a; [L9] int *p2 = p1; [L11] q = 0 VAL [\old(q)=0, a={2:0}, p1={2:0}, p2={2:0}, q=0] [L13] COND TRUE p1 == p2 VAL [\old(q)=0, a={2:0}, p1={2:0}, p2={2:0}, q=0] [L19] __VERIFIER_error() VAL [\old(q)=0, a={2:0}, p1={2:0}, p2={2:0}, q=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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=13occurred 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, 8 NumberOfCodeBlocks, 8 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...