/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-industry-pattern/ofuf_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:58:19,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:58:19,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:58:20,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:58:20,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:58:20,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:58:20,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:58:20,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:58:20,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:58:20,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:58:20,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:58:20,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:58:20,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:58:20,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:58:20,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:58:20,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:58:20,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:58:20,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:58:20,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:58:20,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:58:20,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:58:20,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:58:20,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:58:20,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:58:20,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:58:20,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:58:20,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:58:20,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:58:20,112 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 [2020-08-22 16:58:20,133 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:58:20,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:58:20,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:58:20,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:58:20,135 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:58:20,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:58:20,136 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:58:20,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:58:20,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:58:20,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:58:20,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:58:20,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:58:20,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:58:20,137 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:58:20,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:58:20,138 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:58:20,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:58:20,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:58:20,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:58:20,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:58:20,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:58:20,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:58:20,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:58:20,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:58:20,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:58:20,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:58:20,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:58:20,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:58:20,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:58:20,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:58:20,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:58:20,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:58:20,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:58:20,457 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:58:20,460 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:58:20,461 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2020-08-22 16:58:20,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f6fdf2d/bb2869a89c614305ae6672e739176849/FLAGe25e275b9 [2020-08-22 16:58:21,067 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:58:21,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_2.c [2020-08-22 16:58:21,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f6fdf2d/bb2869a89c614305ae6672e739176849/FLAGe25e275b9 [2020-08-22 16:58:21,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f6fdf2d/bb2869a89c614305ae6672e739176849 [2020-08-22 16:58:21,376 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:58:21,377 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:58:21,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:58:21,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:58:21,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:58:21,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:58:21" (1/1) ... [2020-08-22 16:58:21,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752f575a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:58:21, skipping insertion in model container [2020-08-22 16:58:21,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:58:21" (1/1) ... [2020-08-22 16:58:21,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:58:21,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:58:21,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:58:21,801 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:58:21,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:58:21,913 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:58:21,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:58:21 WrapperNode [2020-08-22 16:58:21,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:58:21,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:58:21,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:58:21,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:58:21,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:58:21" (1/1) ... [2020-08-22 16:58:21,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:58:21" (1/1) ... [2020-08-22 16:58:21,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:58:21" (1/1) ... [2020-08-22 16:58:21,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:58:21" (1/1) ... [2020-08-22 16:58:21,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:58:21" (1/1) ... [2020-08-22 16:58:21,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:58:21" (1/1) ... [2020-08-22 16:58:21,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:58:21" (1/1) ... [2020-08-22 16:58:22,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:58:22,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:58:22,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:58:22,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:58:22,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:58:21" (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 [2020-08-22 16:58:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:58:22,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:58:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-22 16:58:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2020-08-22 16:58:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2020-08-22 16:58:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2020-08-22 16:58:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2020-08-22 16:58:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2020-08-22 16:58:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2020-08-22 16:58:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2020-08-22 16:58:22,087 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2020-08-22 16:58:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:58:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 16:58:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:58:22,089 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-22 16:58:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-22 16:58:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2020-08-22 16:58:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-08-22 16:58:22,090 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2020-08-22 16:58:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2020-08-22 16:58:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2020-08-22 16:58:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2020-08-22 16:58:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2020-08-22 16:58:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 16:58:22,091 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2020-08-22 16:58:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2020-08-22 16:58:22,092 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-08-22 16:58:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:58:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 16:58:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 16:58:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 16:58:22,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 16:58:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 16:58:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 16:58:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 16:58:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 16:58:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 16:58:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:58:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-22 16:58:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:58:23,049 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:58:23,049 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-08-22 16:58:23,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:58:23 BoogieIcfgContainer [2020-08-22 16:58:23,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:58:23,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:58:23,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:58:23,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:58:23,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:58:21" (1/3) ... [2020-08-22 16:58:23,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477b605a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:58:23, skipping insertion in model container [2020-08-22 16:58:23,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:58:21" (2/3) ... [2020-08-22 16:58:23,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477b605a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:58:23, skipping insertion in model container [2020-08-22 16:58:23,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:58:23" (3/3) ... [2020-08-22 16:58:23,064 INFO L109 eAbstractionObserver]: Analyzing ICFG ofuf_2.c [2020-08-22 16:58:23,073 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:58:23,080 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:58:23,090 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:58:23,111 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:58:23,111 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:58:23,112 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:58:23,112 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:58:23,112 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:58:23,112 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:58:23,113 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:58:23,113 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:58:23,134 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-08-22 16:58:23,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-22 16:58:23,144 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:58:23,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:58:23,146 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:58:23,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:58:23,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1652927245, now seen corresponding path program 1 times [2020-08-22 16:58:23,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:58:23,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087127369] [2020-08-22 16:58:23,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:58:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:58:23,633 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-08-22 16:58:23,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:58:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:58:23,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 16:58:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:58:23,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-22 16:58:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:58:23,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:58:23,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087127369] [2020-08-22 16:58:23,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:58:23,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 16:58:23,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328560100] [2020-08-22 16:58:23,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:58:23,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:58:23,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:58:23,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:58:23,809 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 5 states. [2020-08-22 16:58:23,965 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-08-22 16:58:24,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:58:24,965 INFO L93 Difference]: Finished difference Result 264 states and 405 transitions. [2020-08-22 16:58:24,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 16:58:24,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-08-22 16:58:24,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:58:24,981 INFO L225 Difference]: With dead ends: 264 [2020-08-22 16:58:24,982 INFO L226 Difference]: Without dead ends: 140 [2020-08-22 16:58:24,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 16:58:25,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-08-22 16:58:25,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 120. [2020-08-22 16:58:25,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-08-22 16:58:25,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 166 transitions. [2020-08-22 16:58:25,055 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 166 transitions. Word has length 39 [2020-08-22 16:58:25,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:58:25,055 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 166 transitions. [2020-08-22 16:58:25,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:58:25,056 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 166 transitions. [2020-08-22 16:58:25,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-22 16:58:25,059 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:58:25,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:58:25,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:58:25,060 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:58:25,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:58:25,060 INFO L82 PathProgramCache]: Analyzing trace with hash -296822387, now seen corresponding path program 1 times [2020-08-22 16:58:25,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:58:25,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403776765] [2020-08-22 16:58:25,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:58:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:58:25,265 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-08-22 16:58:25,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:58:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:58:25,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 16:58:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:58:25,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-08-22 16:58:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:58:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:58:25,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403776765] [2020-08-22 16:58:25,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251763497] [2020-08-22 16:58:25,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:58:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:58:25,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 3 conjunts are in the unsatisfiable core [2020-08-22 16:58:25,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:58:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:58:25,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:58:25,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2020-08-22 16:58:25,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561001470] [2020-08-22 16:58:25,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 16:58:25,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:58:25,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 16:58:25,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:58:25,630 INFO L87 Difference]: Start difference. First operand 120 states and 166 transitions. Second operand 4 states. [2020-08-22 16:58:25,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:58:25,687 INFO L93 Difference]: Finished difference Result 120 states and 166 transitions. [2020-08-22 16:58:25,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 16:58:25,690 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-08-22 16:58:25,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:58:25,691 INFO L225 Difference]: With dead ends: 120 [2020-08-22 16:58:25,691 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:58:25,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:58:25,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:58:25,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:58:25,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:58:25,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:58:25,699 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2020-08-22 16:58:25,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:58:25,700 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:58:25,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 16:58:25,700 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:58:25,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:58:25,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-08-22 16:58:25,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:58:26,962 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2020-08-22 16:58:27,085 INFO L268 CegarLoopResult]: For program point Id_MCDC_100FINAL(lines 418 424) no Hoare annotation was computed. [2020-08-22 16:58:27,085 INFO L268 CegarLoopResult]: For program point Id_MCDC_100EXIT(lines 418 424) no Hoare annotation was computed. [2020-08-22 16:58:27,086 INFO L264 CegarLoopResult]: At program point Id_MCDC_100ENTRY(lines 418 424) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2020-08-22 16:58:27,086 INFO L264 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2020-08-22 16:58:27,086 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-22 16:58:27,086 INFO L271 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: true [2020-08-22 16:58:27,086 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-08-22 16:58:27,087 INFO L264 CegarLoopResult]: At program point Id_MCDC_99ENTRY(lines 398 417) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2020-08-22 16:58:27,087 INFO L268 CegarLoopResult]: For program point Id_MCDC_99EXIT(lines 398 417) no Hoare annotation was computed. [2020-08-22 16:58:27,087 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-08-22 16:58:27,087 INFO L268 CegarLoopResult]: For program point L406-2(lines 406 413) no Hoare annotation was computed. [2020-08-22 16:58:27,087 INFO L268 CegarLoopResult]: For program point L404-2(lines 404 414) no Hoare annotation was computed. [2020-08-22 16:58:27,087 INFO L271 CegarLoopResult]: At program point L404-3(lines 404 414) the Hoare annotation is: true [2020-08-22 16:58:27,087 INFO L271 CegarLoopResult]: At program point L404-4(lines 404 414) the Hoare annotation is: true [2020-08-22 16:58:27,087 INFO L268 CegarLoopResult]: For program point Id_MCDC_99FINAL(lines 398 417) no Hoare annotation was computed. [2020-08-22 16:58:27,087 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-08-22 16:58:27,088 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-08-22 16:58:27,090 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-08-22 16:58:27,090 INFO L268 CegarLoopResult]: For program point L209-2(line 209) no Hoare annotation was computed. [2020-08-22 16:58:27,091 INFO L271 CegarLoopResult]: At program point Id_MCDC_89ENTRY(lines 191 246) the Hoare annotation is: true [2020-08-22 16:58:27,091 INFO L268 CegarLoopResult]: For program point Id_MCDC_89EXIT(lines 191 246) no Hoare annotation was computed. [2020-08-22 16:58:27,091 INFO L268 CegarLoopResult]: For program point L234(lines 234 239) no Hoare annotation was computed. [2020-08-22 16:58:27,091 INFO L268 CegarLoopResult]: For program point L234-1(lines 232 244) no Hoare annotation was computed. [2020-08-22 16:58:27,091 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-08-22 16:58:27,091 INFO L268 CegarLoopResult]: For program point L218-2(line 218) no Hoare annotation was computed. [2020-08-22 16:58:27,091 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-08-22 16:58:27,092 INFO L268 CegarLoopResult]: For program point L202(lines 202 205) no Hoare annotation was computed. [2020-08-22 16:58:27,092 INFO L268 CegarLoopResult]: For program point Id_MCDC_89FINAL(lines 191 246) no Hoare annotation was computed. [2020-08-22 16:58:27,092 INFO L268 CegarLoopResult]: For program point L227(lines 227 230) no Hoare annotation was computed. [2020-08-22 16:58:27,092 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-08-22 16:58:27,092 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-08-22 16:58:27,092 INFO L268 CegarLoopResult]: For program point L215-2(line 215) no Hoare annotation was computed. [2020-08-22 16:58:27,092 INFO L271 CegarLoopResult]: At program point L207(lines 207 223) the Hoare annotation is: true [2020-08-22 16:58:27,093 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-08-22 16:58:27,093 INFO L268 CegarLoopResult]: For program point L232-2(line 232) no Hoare annotation was computed. [2020-08-22 16:58:27,093 INFO L268 CegarLoopResult]: For program point L232-3(line 232) no Hoare annotation was computed. [2020-08-22 16:58:27,093 INFO L268 CegarLoopResult]: For program point L232-5(lines 232 244) no Hoare annotation was computed. [2020-08-22 16:58:27,093 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 231) no Hoare annotation was computed. [2020-08-22 16:58:27,094 INFO L271 CegarLoopResult]: At program point L224-3(lines 224 231) the Hoare annotation is: true [2020-08-22 16:58:27,094 INFO L268 CegarLoopResult]: For program point L224-4(lines 224 231) no Hoare annotation was computed. [2020-08-22 16:58:27,094 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-08-22 16:58:27,095 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-08-22 16:58:27,095 INFO L268 CegarLoopResult]: For program point L212-2(line 212) no Hoare annotation was computed. [2020-08-22 16:58:27,096 INFO L268 CegarLoopResult]: For program point L200(lines 200 206) no Hoare annotation was computed. [2020-08-22 16:58:27,096 INFO L268 CegarLoopResult]: For program point L200-2(lines 200 206) no Hoare annotation was computed. [2020-08-22 16:58:27,096 INFO L268 CegarLoopResult]: For program point L196(lines 196 199) no Hoare annotation was computed. [2020-08-22 16:58:27,096 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 425 456) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2020-08-22 16:58:27,096 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 425 456) no Hoare annotation was computed. [2020-08-22 16:58:27,096 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 425 456) no Hoare annotation was computed. [2020-08-22 16:58:27,097 INFO L264 CegarLoopResult]: At program point L455(line 455) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2020-08-22 16:58:27,097 INFO L268 CegarLoopResult]: For program point L450(lines 450 453) no Hoare annotation was computed. [2020-08-22 16:58:27,097 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-08-22 16:58:27,097 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-08-22 16:58:27,097 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 5) no Hoare annotation was computed. [2020-08-22 16:58:27,097 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-08-22 16:58:27,097 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-08-22 16:58:27,098 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 391) no Hoare annotation was computed. [2020-08-22 16:58:27,098 INFO L271 CegarLoopResult]: At program point L374-3(lines 374 391) the Hoare annotation is: true [2020-08-22 16:58:27,098 INFO L268 CegarLoopResult]: For program point L374-4(lines 374 391) no Hoare annotation was computed. [2020-08-22 16:58:27,100 INFO L264 CegarLoopResult]: At program point Id_MCDC_97ENTRY(lines 329 397) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-08-22 16:58:27,100 INFO L268 CegarLoopResult]: For program point Id_MCDC_97EXIT(lines 329 397) no Hoare annotation was computed. [2020-08-22 16:58:27,100 INFO L268 CegarLoopResult]: For program point L387(lines 387 390) no Hoare annotation was computed. [2020-08-22 16:58:27,100 INFO L268 CegarLoopResult]: For program point L354(lines 354 395) no Hoare annotation was computed. [2020-08-22 16:58:27,100 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 353) no Hoare annotation was computed. [2020-08-22 16:58:27,100 INFO L271 CegarLoopResult]: At program point L350-3(lines 350 353) the Hoare annotation is: true [2020-08-22 16:58:27,101 INFO L268 CegarLoopResult]: For program point L350-4(lines 330 397) no Hoare annotation was computed. [2020-08-22 16:58:27,101 INFO L271 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: true [2020-08-22 16:58:27,101 INFO L268 CegarLoopResult]: For program point L363-1(lines 363 366) no Hoare annotation was computed. [2020-08-22 16:58:27,101 INFO L268 CegarLoopResult]: For program point Id_MCDC_97FINAL(lines 329 397) no Hoare annotation was computed. [2020-08-22 16:58:27,101 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-08-22 16:58:27,101 INFO L268 CegarLoopResult]: For program point L359-1(lines 359 362) no Hoare annotation was computed. [2020-08-22 16:58:27,101 INFO L271 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: true [2020-08-22 16:58:27,101 INFO L268 CegarLoopResult]: For program point L376-1(lines 376 379) no Hoare annotation was computed. [2020-08-22 16:58:27,102 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 394) no Hoare annotation was computed. [2020-08-22 16:58:27,102 INFO L271 CegarLoopResult]: At program point L356-3(lines 356 394) the Hoare annotation is: true [2020-08-22 16:58:27,102 INFO L271 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: true [2020-08-22 16:58:27,102 INFO L268 CegarLoopResult]: For program point L369-1(lines 369 372) no Hoare annotation was computed. [2020-08-22 16:58:27,102 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-08-22 16:58:27,102 INFO L271 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: true [2020-08-22 16:58:27,102 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-08-22 16:58:27,102 INFO L268 CegarLoopResult]: For program point L286(lines 286 293) no Hoare annotation was computed. [2020-08-22 16:58:27,103 INFO L268 CegarLoopResult]: For program point L286-2(lines 286 293) no Hoare annotation was computed. [2020-08-22 16:58:27,103 INFO L268 CegarLoopResult]: For program point L282(lines 282 285) no Hoare annotation was computed. [2020-08-22 16:58:27,103 INFO L271 CegarLoopResult]: At program point Id_MCDC_95ENTRY(lines 278 297) the Hoare annotation is: true [2020-08-22 16:58:27,103 INFO L268 CegarLoopResult]: For program point Id_MCDC_95EXIT(lines 278 297) no Hoare annotation was computed. [2020-08-22 16:58:27,103 INFO L271 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: true [2020-08-22 16:58:27,103 INFO L271 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: true [2020-08-22 16:58:27,103 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-08-22 16:58:27,103 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-08-22 16:58:27,103 INFO L268 CegarLoopResult]: For program point Id_MCDC_95FINAL(lines 278 297) no Hoare annotation was computed. [2020-08-22 16:58:27,103 INFO L268 CegarLoopResult]: For program point L316(lines 316 321) no Hoare annotation was computed. [2020-08-22 16:58:27,104 INFO L268 CegarLoopResult]: For program point L316-1(lines 314 326) no Hoare annotation was computed. [2020-08-22 16:58:27,104 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-08-22 16:58:27,104 INFO L268 CegarLoopResult]: For program point L314-2(line 314) no Hoare annotation was computed. [2020-08-22 16:58:27,104 INFO L268 CegarLoopResult]: For program point L314-3(line 314) no Hoare annotation was computed. [2020-08-22 16:58:27,104 INFO L268 CegarLoopResult]: For program point L314-5(lines 314 326) no Hoare annotation was computed. [2020-08-22 16:58:27,104 INFO L268 CegarLoopResult]: For program point L306-1(lines 306 313) no Hoare annotation was computed. [2020-08-22 16:58:27,104 INFO L271 CegarLoopResult]: At program point L306-3(lines 306 313) the Hoare annotation is: true [2020-08-22 16:58:27,104 INFO L268 CegarLoopResult]: For program point L302(lines 302 305) no Hoare annotation was computed. [2020-08-22 16:58:27,105 INFO L268 CegarLoopResult]: For program point L306-4(lines 306 313) no Hoare annotation was computed. [2020-08-22 16:58:27,109 INFO L268 CegarLoopResult]: For program point Id_MCDC_96FINAL(lines 298 328) no Hoare annotation was computed. [2020-08-22 16:58:27,109 INFO L268 CegarLoopResult]: For program point L309(lines 309 312) no Hoare annotation was computed. [2020-08-22 16:58:27,109 INFO L271 CegarLoopResult]: At program point Id_MCDC_96ENTRY(lines 298 328) the Hoare annotation is: true [2020-08-22 16:58:27,109 INFO L268 CegarLoopResult]: For program point Id_MCDC_96EXIT(lines 298 328) no Hoare annotation was computed. [2020-08-22 16:58:27,110 INFO L268 CegarLoopResult]: For program point Id_MCDC_92EXIT(lines 247 277) no Hoare annotation was computed. [2020-08-22 16:58:27,110 INFO L268 CegarLoopResult]: For program point Id_MCDC_92FINAL(lines 247 277) no Hoare annotation was computed. [2020-08-22 16:58:27,110 INFO L268 CegarLoopResult]: For program point L259(lines 259 267) no Hoare annotation was computed. [2020-08-22 16:58:27,110 INFO L268 CegarLoopResult]: For program point L253(lines 253 267) no Hoare annotation was computed. [2020-08-22 16:58:27,110 INFO L271 CegarLoopResult]: At program point Id_MCDC_92ENTRY(lines 247 277) the Hoare annotation is: true [2020-08-22 16:58:27,110 INFO L271 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: true [2020-08-22 16:58:27,110 INFO L268 CegarLoopResult]: For program point L272-1(line 272) no Hoare annotation was computed. [2020-08-22 16:58:27,111 INFO L271 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: true [2020-08-22 16:58:27,116 INFO L268 CegarLoopResult]: For program point L270-1(line 270) no Hoare annotation was computed. [2020-08-22 16:58:27,116 INFO L268 CegarLoopResult]: For program point L268-1(lines 248 277) no Hoare annotation was computed. [2020-08-22 16:58:27,116 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 275) no Hoare annotation was computed. [2020-08-22 16:58:27,116 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:58:27,117 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#t~string62.offset| |old(#t~string62.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |old(#t~string63.offset)| |#t~string63.offset|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= |#t~string9.base| |old(#t~string9.base)|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |#t~string14.base| |old(#t~string14.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |old(#t~string16.base)| |#t~string16.base|) (= |old(#t~string16.offset)| |#t~string16.offset|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 16:58:27,117 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:58:27,117 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:58:27,117 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 16:58:27,117 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:58:27,117 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:58:27,118 INFO L268 CegarLoopResult]: For program point avoid_zeroEXIT(lines 7 13) no Hoare annotation was computed. [2020-08-22 16:58:27,118 INFO L268 CegarLoopResult]: For program point L9(lines 9 12) no Hoare annotation was computed. [2020-08-22 16:58:27,118 INFO L268 CegarLoopResult]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2020-08-22 16:58:27,118 INFO L271 CegarLoopResult]: At program point avoid_zeroENTRY(lines 7 13) the Hoare annotation is: true [2020-08-22 16:58:27,118 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 457 464) the Hoare annotation is: true [2020-08-22 16:58:27,118 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-22 16:58:27,118 INFO L268 CegarLoopResult]: For program point L459(lines 459 462) no Hoare annotation was computed. [2020-08-22 16:58:27,119 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 457 464) no Hoare annotation was computed. [2020-08-22 16:58:27,122 INFO L268 CegarLoopResult]: For program point L459-2(lines 457 464) no Hoare annotation was computed. [2020-08-22 16:58:27,122 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2020-08-22 16:58:27,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:58:27 BoogieIcfgContainer [2020-08-22 16:58:27,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:58:27,142 INFO L168 Benchmark]: Toolchain (without parser) took 5762.88 ms. Allocated memory was 141.0 MB in the beginning and 284.7 MB in the end (delta: 143.7 MB). Free memory was 103.3 MB in the beginning and 165.4 MB in the end (delta: -62.1 MB). Peak memory consumption was 156.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:58:27,143 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 16:58:27,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.30 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 103.1 MB in the beginning and 174.4 MB in the end (delta: -71.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-08-22 16:58:27,145 INFO L168 Benchmark]: Boogie Preprocessor took 89.53 ms. Allocated memory is still 204.5 MB. Free memory was 174.4 MB in the beginning and 170.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-22 16:58:27,147 INFO L168 Benchmark]: RCFGBuilder took 1050.85 ms. Allocated memory is still 204.5 MB. Free memory was 170.1 MB in the beginning and 108.0 MB in the end (delta: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 7.1 GB. [2020-08-22 16:58:27,149 INFO L168 Benchmark]: TraceAbstraction took 4082.15 ms. Allocated memory was 204.5 MB in the beginning and 284.7 MB in the end (delta: 80.2 MB). Free memory was 108.0 MB in the beginning and 165.4 MB in the end (delta: -57.3 MB). Peak memory consumption was 97.9 MB. Max. memory is 7.1 GB. [2020-08-22 16:58:27,158 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 535.30 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 103.1 MB in the beginning and 174.4 MB in the end (delta: -71.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.53 ms. Allocated memory is still 204.5 MB. Free memory was 174.4 MB in the beginning and 170.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1050.85 ms. Allocated memory is still 204.5 MB. Free memory was 170.1 MB in the beginning and 108.0 MB in the end (delta: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4082.15 ms. Allocated memory was 204.5 MB in the beginning and 284.7 MB in the end (delta: 80.2 MB). Free memory was 108.0 MB in the beginning and 165.4 MB in the end (delta: -57.3 MB). Peak memory consumption was 97.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 132 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 319 SDtfs, 228 SDslu, 410 SDs, 0 SdLazy, 262 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 76 PreInvPairs, 92 NumberOfFragments, 247 HoareAnnotationTreeSize, 76 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 34 FomulaSimplificationsInter, 2252 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 15034 SizeOfPredicates, 2 NumberOfNonLiveVariables, 539 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 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 correct! Received shutdown request...