/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-acceleration/simple_2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:33:19,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:33:19,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:33:19,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:33:19,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:33:19,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:33:19,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:33:19,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:33:19,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:33:19,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:33:19,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:33:19,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:33:19,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:33:19,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:33:19,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:33:19,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:33:19,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:33:19,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:33:19,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:33:19,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:33:19,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:33:19,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:33:19,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:33:19,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:33:19,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:33:19,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 11:33:19,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 11:33:19,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 11:33:19,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 11:33:19,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 11:33:19,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 11:33:19,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 11:33:19,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 11:33:19,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 11:33:19,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 11:33:19,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 11:33:19,293 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 [2020-07-07 11:33:19,312 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:33:19,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:33:19,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:33:19,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:33:19,315 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:33:19,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:33:19,315 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:33:19,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:33:19,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:33:19,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:33:19,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:33:19,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:33:19,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:33:19,318 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:33:19,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:33:19,318 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:33:19,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:33:19,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:33:19,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:33:19,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:33:19,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:33:19,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:33:19,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:33:19,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:33:19,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:33:19,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:33:19,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:33:19,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:33:19,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:33:19,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:33:19,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:33:19,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:33:19,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:33:19,621 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:33:19,622 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:33:19,623 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_2-2.c [2020-07-07 11:33:19,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14dc6c59f/92b1745f3ad042bfa71e2ae507bf3e32/FLAGb81616ed8 [2020-07-07 11:33:20,150 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:33:20,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_2-2.c [2020-07-07 11:33:20,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14dc6c59f/92b1745f3ad042bfa71e2ae507bf3e32/FLAGb81616ed8 [2020-07-07 11:33:20,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14dc6c59f/92b1745f3ad042bfa71e2ae507bf3e32 [2020-07-07 11:33:20,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:33:20,536 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:33:20,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:33:20,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:33:20,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:33:20,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:33:20" (1/1) ... [2020-07-07 11:33:20,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122c3cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:33:20, skipping insertion in model container [2020-07-07 11:33:20,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:33:20" (1/1) ... [2020-07-07 11:33:20,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:33:20,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:33:20,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:33:20,732 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:33:20,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:33:20,761 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:33:20,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:33:20 WrapperNode [2020-07-07 11:33:20,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:33:20,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:33:20,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:33:20,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:33:20,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:33:20" (1/1) ... [2020-07-07 11:33:20,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:33:20" (1/1) ... [2020-07-07 11:33:20,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:33:20" (1/1) ... [2020-07-07 11:33:20,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:33:20" (1/1) ... [2020-07-07 11:33:20,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:33:20" (1/1) ... [2020-07-07 11:33:20,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:33:20" (1/1) ... [2020-07-07 11:33:20,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:33:20" (1/1) ... [2020-07-07 11:33:20,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:33:20,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:33:20,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:33:20,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:33:20,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:33:20" (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 [2020-07-07 11:33:20,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:33:20,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:33:20,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-07 11:33:20,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:33:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:33:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-07-07 11:33:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-07 11:33:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:33:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:33:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:33:21,101 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:33:21,101 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:33:21,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:33:21 BoogieIcfgContainer [2020-07-07 11:33:21,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:33:21,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:33:21,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:33:21,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:33:21,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:33:20" (1/3) ... [2020-07-07 11:33:21,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1c6a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:33:21, skipping insertion in model container [2020-07-07 11:33:21,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:33:20" (2/3) ... [2020-07-07 11:33:21,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1c6a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:33:21, skipping insertion in model container [2020-07-07 11:33:21,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:33:21" (3/3) ... [2020-07-07 11:33:21,111 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_2-2.c [2020-07-07 11:33:21,121 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:33:21,128 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:33:21,142 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:33:21,164 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:33:21,164 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:33:21,164 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:33:21,164 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:33:21,165 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:33:21,165 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:33:21,165 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:33:21,165 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:33:21,182 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-07-07 11:33:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-07 11:33:21,188 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:33:21,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:33:21,189 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:33:21,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:33:21,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2020-07-07 11:33:21,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:33:21,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675396830] [2020-07-07 11:33:21,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:33:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 11:33:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 11:33:21,313 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-07 11:33:21,313 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 11:33:21,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:33:21,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:33:21 BoogieIcfgContainer [2020-07-07 11:33:21,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:33:21,337 INFO L168 Benchmark]: Toolchain (without parser) took 800.50 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 104.6 MB in the beginning and 158.1 MB in the end (delta: -53.4 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2020-07-07 11:33:21,338 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 11:33:21,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.80 ms. Allocated memory is still 145.8 MB. Free memory was 104.4 MB in the beginning and 95.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-07 11:33:21,340 INFO L168 Benchmark]: Boogie Preprocessor took 115.22 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 95.1 MB in the beginning and 183.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:33:21,341 INFO L168 Benchmark]: RCFGBuilder took 225.72 ms. Allocated memory is still 202.9 MB. Free memory was 183.1 MB in the beginning and 170.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-07-07 11:33:21,342 INFO L168 Benchmark]: TraceAbstraction took 228.67 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 158.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-07-07 11:33:21,347 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 225.80 ms. Allocated memory is still 145.8 MB. Free memory was 104.4 MB in the beginning and 95.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.22 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 95.1 MB in the beginning and 183.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 225.72 ms. Allocated memory is still 202.9 MB. Free memory was 183.1 MB in the beginning and 170.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 228.67 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 158.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] unsigned int x = __VERIFIER_nondet_uint(); [L14] COND FALSE !(x < 0x0fffffff) VAL [x=268435455] [L18] CALL __VERIFIER_assert(x > 0x0fffffff) VAL [\old(cond)=0] [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 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=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 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...