./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aeb2c2f6d8fcd33ad55644c16c42ea82f5ce9b6c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 03:09:07,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 03:09:07,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 03:09:07,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 03:09:07,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 03:09:07,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 03:09:07,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 03:09:07,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 03:09:07,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 03:09:07,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 03:09:07,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 03:09:07,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 03:09:07,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 03:09:07,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 03:09:07,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 03:09:07,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 03:09:07,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 03:09:07,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 03:09:07,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 03:09:08,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 03:09:08,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 03:09:08,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 03:09:08,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 03:09:08,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 03:09:08,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 03:09:08,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 03:09:08,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 03:09:08,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 03:09:08,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 03:09:08,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 03:09:08,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 03:09:08,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 03:09:08,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 03:09:08,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 03:09:08,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 03:09:08,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 03:09:08,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 03:09:08,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 03:09:08,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 03:09:08,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 03:09:08,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 03:09:08,024 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 03:09:08,050 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 03:09:08,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 03:09:08,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 03:09:08,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 03:09:08,052 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 03:09:08,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 03:09:08,053 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 03:09:08,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 03:09:08,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 03:09:08,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 03:09:08,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 03:09:08,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 03:09:08,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 03:09:08,055 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 03:09:08,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 03:09:08,055 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 03:09:08,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 03:09:08,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 03:09:08,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 03:09:08,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 03:09:08,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 03:09:08,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 03:09:08,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 03:09:08,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 03:09:08,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 03:09:08,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 03:09:08,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 03:09:08,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 03:09:08,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aeb2c2f6d8fcd33ad55644c16c42ea82f5ce9b6c [2021-07-05 03:09:08,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 03:09:08,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 03:09:08,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 03:09:08,358 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 03:09:08,358 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 03:09:08,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2021-07-05 03:09:08,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cddd68168/5b24e6075155437ca34581d0d9aa73c9/FLAGb6bd948a0 [2021-07-05 03:09:08,764 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 03:09:08,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2021-07-05 03:09:08,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cddd68168/5b24e6075155437ca34581d0d9aa73c9/FLAGb6bd948a0 [2021-07-05 03:09:08,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cddd68168/5b24e6075155437ca34581d0d9aa73c9 [2021-07-05 03:09:08,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 03:09:08,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 03:09:08,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 03:09:08,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 03:09:08,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 03:09:08,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:09:08" (1/1) ... [2021-07-05 03:09:08,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e8929c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:09:08, skipping insertion in model container [2021-07-05 03:09:08,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:09:08" (1/1) ... [2021-07-05 03:09:08,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 03:09:08,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 03:09:08,942 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c[2031,2044] [2021-07-05 03:09:08,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 03:09:08,967 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 03:09:09,023 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c[2031,2044] [2021-07-05 03:09:09,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 03:09:09,042 INFO L208 MainTranslator]: Completed translation [2021-07-05 03:09:09,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:09:09 WrapperNode [2021-07-05 03:09:09,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 03:09:09,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 03:09:09,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 03:09:09,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 03:09:09,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:09:09" (1/1) ... [2021-07-05 03:09:09,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:09:09" (1/1) ... [2021-07-05 03:09:09,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 03:09:09,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 03:09:09,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 03:09:09,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 03:09:09,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:09:09" (1/1) ... [2021-07-05 03:09:09,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:09:09" (1/1) ... [2021-07-05 03:09:09,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:09:09" (1/1) ... [2021-07-05 03:09:09,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:09:09" (1/1) ... [2021-07-05 03:09:09,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:09:09" (1/1) ... [2021-07-05 03:09:09,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:09:09" (1/1) ... [2021-07-05 03:09:09,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:09:09" (1/1) ... [2021-07-05 03:09:09,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 03:09:09,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 03:09:09,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 03:09:09,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 03:09:09,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:09:09" (1/1) ... [2021-07-05 03:09:09,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 03:09:09,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 03:09:09,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 03:09:09,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 03:09:09,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 03:09:09,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 03:09:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 03:09:09,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 03:09:18,061 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 03:09:18,061 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-07-05 03:09:18,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:09:18 BoogieIcfgContainer [2021-07-05 03:09:18,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 03:09:18,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 03:09:18,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 03:09:18,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 03:09:18,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 03:09:08" (1/3) ... [2021-07-05 03:09:18,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f603339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:09:18, skipping insertion in model container [2021-07-05 03:09:18,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:09:09" (2/3) ... [2021-07-05 03:09:18,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f603339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:09:18, skipping insertion in model container [2021-07-05 03:09:18,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:09:18" (3/3) ... [2021-07-05 03:09:18,068 INFO L111 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2021-07-05 03:09:18,072 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 03:09:18,072 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-05 03:09:18,097 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 03:09:18,101 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 03:09:18,101 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 03:09:18,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 03:09:18,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-07-05 03:09:18,112 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 03:09:18,113 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 03:09:18,113 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 03:09:18,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 03:09:18,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1060254097, now seen corresponding path program 1 times [2021-07-05 03:09:18,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 03:09:18,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269437994] [2021-07-05 03:09:18,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 03:09:18,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 03:09:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 03:09:18,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 03:09:18,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 03:09:18,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 03:09:18,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-07-05 03:09:18,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 03:09:18,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 03:09:18,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 03:09:18,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 03:09:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 03:09:18,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 03:09:18,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269437994] [2021-07-05 03:09:18,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269437994] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 03:09:18,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 03:09:18,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 03:09:18,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933367731] [2021-07-05 03:09:18,428 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 03:09:18,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 03:09:18,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 03:09:18,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 03:09:18,439 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 03:09:35,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 03:09:35,872 INFO L93 Difference]: Finished difference Result 61 states and 82 transitions. [2021-07-05 03:09:35,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 03:09:35,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-07-05 03:09:35,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 03:09:35,879 INFO L225 Difference]: With dead ends: 61 [2021-07-05 03:09:35,879 INFO L226 Difference]: Without dead ends: 26 [2021-07-05 03:09:35,880 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 80.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-05 03:09:35,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-07-05 03:09:35,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-07-05 03:09:35,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 03:09:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2021-07-05 03:09:35,913 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 11 [2021-07-05 03:09:35,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 03:09:35,913 INFO L442 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-07-05 03:09:35,914 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 03:09:35,914 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2021-07-05 03:09:35,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-07-05 03:09:35,914 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 03:09:35,915 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 03:09:35,915 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 03:09:35,915 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 03:09:35,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 03:09:35,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1251142831, now seen corresponding path program 1 times [2021-07-05 03:09:35,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 03:09:35,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614768261] [2021-07-05 03:09:35,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 03:09:35,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 03:09:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 03:09:36,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 03:09:36,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 03:09:36,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 03:09:36,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-07-05 03:09:36,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 03:09:36,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-07-05 03:09:36,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 03:09:36,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 03:09:36,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 03:09:36,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 03:09:36,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 03:09:36,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 03:09:36,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614768261] [2021-07-05 03:09:36,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614768261] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 03:09:36,095 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 03:09:36,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 03:09:36,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311607281] [2021-07-05 03:09:36,097 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 03:09:36,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 03:09:36,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 03:09:36,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 03:09:36,098 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 03:09:40,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 03:09:40,525 INFO L93 Difference]: Finished difference Result 46 states and 60 transitions. [2021-07-05 03:09:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 03:09:40,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-07-05 03:09:40,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 03:09:40,526 INFO L225 Difference]: With dead ends: 46 [2021-07-05 03:09:40,526 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 03:09:40,555 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 66.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-05 03:09:40,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 03:09:40,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 03:09:40,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 03:09:40,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 03:09:40,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2021-07-05 03:09:40,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 03:09:40,556 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 03:09:40,556 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 03:09:40,556 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 03:09:40,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 03:09:40,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 03:09:40,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 03:09:40,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 03:09:40,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 03:09:40,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 03:09:40,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 03:09:40,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 03:09:40,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 03:09:40,588 INFO L762 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-07-05 03:09:40,593 INFO L762 garLoopResultBuilder]: For program point L56(lines 56 83) no Hoare annotation was computed. [2021-07-05 03:09:40,593 INFO L758 garLoopResultBuilder]: At program point L52(lines 24 141) the Hoare annotation is: (<= ULTIMATE.start_main_~main__x~0 (let ((.cse0 (div ULTIMATE.start_main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ ULTIMATE.start_main_~main__x~0 .cse2) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ ULTIMATE.start_main_~main__x~0 (* .cse1 (- 3)) .cse2) 4294967296))))))) [2021-07-05 03:09:40,594 INFO L765 garLoopResultBuilder]: At program point L135(lines 35 140) the Hoare annotation is: true [2021-07-05 03:09:40,594 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 03:09:40,594 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 03:09:40,594 INFO L758 garLoopResultBuilder]: At program point L61(lines 36 112) the Hoare annotation is: (<= ULTIMATE.start_main_~main__x~0 (let ((.cse0 (div ULTIMATE.start_main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ ULTIMATE.start_main_~main__x~0 .cse2) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ ULTIMATE.start_main_~main__x~0 (* .cse1 (- 3)) .cse2) 4294967296))))))) [2021-07-05 03:09:40,595 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 03:09:40,595 INFO L765 garLoopResultBuilder]: At program point L123(lines 35 140) the Hoare annotation is: true [2021-07-05 03:09:40,595 INFO L762 garLoopResultBuilder]: For program point L24(lines 24 141) no Hoare annotation was computed. [2021-07-05 03:09:40,595 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2021-07-05 03:09:40,596 INFO L762 garLoopResultBuilder]: For program point L45(lines 45 111) no Hoare annotation was computed. [2021-07-05 03:09:40,596 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 03:09:40,596 INFO L762 garLoopResultBuilder]: For program point L95(lines 95 104) no Hoare annotation was computed. [2021-07-05 03:09:40,596 INFO L765 garLoopResultBuilder]: At program point L145(lines 15 147) the Hoare annotation is: true [2021-07-05 03:09:40,596 INFO L758 garLoopResultBuilder]: At program point L42(lines 24 141) the Hoare annotation is: (<= ULTIMATE.start_main_~main__x~0 (let ((.cse0 (div ULTIMATE.start_main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ ULTIMATE.start_main_~main__x~0 .cse2) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ ULTIMATE.start_main_~main__x~0 (* .cse1 (- 3)) .cse2) 4294967296))))))) [2021-07-05 03:09:40,597 INFO L762 garLoopResultBuilder]: For program point L67(lines 67 82) no Hoare annotation was computed. [2021-07-05 03:09:40,597 INFO L762 garLoopResultBuilder]: For program point L88(lines 88 110) no Hoare annotation was computed. [2021-07-05 03:09:40,600 INFO L762 garLoopResultBuilder]: For program point L22(lines 22 146) no Hoare annotation was computed. [2021-07-05 03:09:40,600 INFO L762 garLoopResultBuilder]: For program point L117(lines 117 139) no Hoare annotation was computed. [2021-07-05 03:09:40,601 INFO L762 garLoopResultBuilder]: For program point L47(lines 47 84) no Hoare annotation was computed. [2021-07-05 03:09:40,601 INFO L765 garLoopResultBuilder]: At program point L138(lines 16 147) the Hoare annotation is: true [2021-07-05 03:09:40,601 INFO L762 garLoopResultBuilder]: For program point L35(lines 35 140) no Hoare annotation was computed. [2021-07-05 03:09:40,601 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-05 03:09:40,601 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 03:09:40,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 03:09:40 BoogieIcfgContainer [2021-07-05 03:09:40,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 03:09:40,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 03:09:40,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 03:09:40,624 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 03:09:40,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:09:18" (3/4) ... [2021-07-05 03:09:40,627 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 03:09:40,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-07-05 03:09:40,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-07-05 03:09:40,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 03:09:40,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 03:09:40,675 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 03:09:40,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 03:09:40,676 INFO L168 Benchmark]: Toolchain (without parser) took 31890.37 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 52.0 MB in the beginning and 85.6 MB in the end (delta: -33.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 03:09:40,677 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory was 68.7 MB in the beginning and 68.6 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 03:09:40,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.81 ms. Allocated memory is still 88.1 MB. Free memory was 51.8 MB in the beginning and 70.1 MB in the end (delta: -18.3 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-07-05 03:09:40,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.95 ms. Allocated memory is still 88.1 MB. Free memory was 70.1 MB in the beginning and 68.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 03:09:40,677 INFO L168 Benchmark]: Boogie Preprocessor took 25.76 ms. Allocated memory is still 88.1 MB. Free memory was 68.2 MB in the beginning and 67.2 MB in the end (delta: 998.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 03:09:40,678 INFO L168 Benchmark]: RCFGBuilder took 8957.93 ms. Allocated memory is still 88.1 MB. Free memory was 67.2 MB in the beginning and 50.9 MB in the end (delta: 16.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-07-05 03:09:40,678 INFO L168 Benchmark]: TraceAbstraction took 22560.02 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 50.5 MB in the beginning and 89.1 MB in the end (delta: -38.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 03:09:40,678 INFO L168 Benchmark]: Witness Printer took 51.58 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 85.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 03:09:40,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory was 68.7 MB in the beginning and 68.6 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 256.81 ms. Allocated memory is still 88.1 MB. Free memory was 51.8 MB in the beginning and 70.1 MB in the end (delta: -18.3 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.95 ms. Allocated memory is still 88.1 MB. Free memory was 70.1 MB in the beginning and 68.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.76 ms. Allocated memory is still 88.1 MB. Free memory was 68.2 MB in the beginning and 67.2 MB in the end (delta: 998.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8957.93 ms. Allocated memory is still 88.1 MB. Free memory was 67.2 MB in the beginning and 50.9 MB in the end (delta: 16.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 22560.02 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 50.5 MB in the beginning and 89.1 MB in the end (delta: -38.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 51.58 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 85.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 97]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22508.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 5.5ms, AutomataDifference: 21909.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 29.0ms, InitialAbstractionConstructionTime: 5.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 52 SDtfs, 17 SDslu, 74 SDs, 0 SdLazy, 39 SolverSat, 5 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 20125.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 147.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=1, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 17.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 17 NumberOfFragments, 127 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 9.4ms HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 12.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 10.0ms SsaConstructionTime, 100.0ms SatisfiabilityAnalysisTime, 323.6ms InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x + main__x / 4294967296 * -4294967296) / 3) + 4294967296 * ((main__x + (main__x + main__x / 4294967296 * -4294967296) / 3 * -3 + main__x / 4294967296 * -4294967296) / 4294967296) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x + main__x / 4294967296 * -4294967296) / 3) + 4294967296 * ((main__x + (main__x + main__x / 4294967296 * -4294967296) / 3 * -3 + main__x / 4294967296 * -4294967296) / 4294967296) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x + main__x / 4294967296 * -4294967296) / 3) + 4294967296 * ((main__x + (main__x + main__x / 4294967296 * -4294967296) / 3 * -3 + main__x / 4294967296 * -4294967296) / 4294967296) RESULT: Ultimate proved your program to be correct! [2021-07-05 03:09:40,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...