./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 950698bc17a751834ff482c414f89d89b98af415 .................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:27:09,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:27:09,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:27:09,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:27:09,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:27:09,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:27:09,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:27:09,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:27:09,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:27:09,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:27:09,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:27:09,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:27:09,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:27:09,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:27:09,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:27:09,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:27:09,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:27:09,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:27:09,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:27:09,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:27:09,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:27:09,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:27:09,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:27:09,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:27:09,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:27:09,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:27:09,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:27:09,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:27:09,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:27:09,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:27:09,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:27:09,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:27:09,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:27:09,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:27:09,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:27:09,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:27:09,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:27:09,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:27:09,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:27:09,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:27:09,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:27:09,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 21:27:09,370 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:27:09,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:27:09,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:27:09,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:27:09,372 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:27:09,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:27:09,373 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:27:09,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:27:09,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:27:09,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:27:09,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:27:09,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:27:09,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:27:09,375 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:27:09,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:27:09,375 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:27:09,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:27:09,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:27:09,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:27:09,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:27:09,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:27:09,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:27:09,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:27:09,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:27:09,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:27:09,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:27:09,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:27:09,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:27:09,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/bin/uautomizer 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(__VERIFIER_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 -> 950698bc17a751834ff482c414f89d89b98af415 [2019-11-15 21:27:09,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:27:09,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:27:09,450 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:27:09,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:27:09,453 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:27:09,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/bin/uautomizer/../../sv-benchmarks/c/loop-industry-pattern/mod3.c [2019-11-15 21:27:09,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/bin/uautomizer/data/757301603/176361abe9f74b71a1a4d41309745cc4/FLAG7055f55bd [2019-11-15 21:27:10,034 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:27:10,035 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/sv-benchmarks/c/loop-industry-pattern/mod3.c [2019-11-15 21:27:10,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/bin/uautomizer/data/757301603/176361abe9f74b71a1a4d41309745cc4/FLAG7055f55bd [2019-11-15 21:27:10,462 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/bin/uautomizer/data/757301603/176361abe9f74b71a1a4d41309745cc4 [2019-11-15 21:27:10,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:27:10,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:27:10,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:27:10,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:27:10,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:27:10,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:27:10" (1/1) ... [2019-11-15 21:27:10,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411f8c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:27:10, skipping insertion in model container [2019-11-15 21:27:10,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:27:10" (1/1) ... [2019-11-15 21:27:10,486 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:27:10,504 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:27:10,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:27:10,848 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:27:10,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:27:10,898 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:27:10,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:27:10 WrapperNode [2019-11-15 21:27:10,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:27:10,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:27:10,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:27:10,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:27:10,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:27:10" (1/1) ... [2019-11-15 21:27:10,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:27:10" (1/1) ... [2019-11-15 21:27:10,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:27:10,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:27:10,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:27:10,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:27:10,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:27:10" (1/1) ... [2019-11-15 21:27:10,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:27:10" (1/1) ... [2019-11-15 21:27:10,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:27:10" (1/1) ... [2019-11-15 21:27:10,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:27:10" (1/1) ... [2019-11-15 21:27:10,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:27:10" (1/1) ... [2019-11-15 21:27:10,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:27:10" (1/1) ... [2019-11-15 21:27:10,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:27:10" (1/1) ... [2019-11-15 21:27:10,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:27:10,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:27:10,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:27:11,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:27:11,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:27:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/bin/uautomizer/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 [2019-11-15 21:27:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:27:11,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:27:11,288 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:27:11,288 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 21:27:11,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:27:11 BoogieIcfgContainer [2019-11-15 21:27:11,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:27:11,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:27:11,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:27:11,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:27:11,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:27:10" (1/3) ... [2019-11-15 21:27:11,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b08af72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:27:11, skipping insertion in model container [2019-11-15 21:27:11,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:27:10" (2/3) ... [2019-11-15 21:27:11,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b08af72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:27:11, skipping insertion in model container [2019-11-15 21:27:11,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:27:11" (3/3) ... [2019-11-15 21:27:11,299 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c [2019-11-15 21:27:11,310 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:27:11,318 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 21:27:11,331 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 21:27:11,357 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:27:11,358 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:27:11,358 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:27:11,358 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:27:11,358 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:27:11,358 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:27:11,359 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:27:11,359 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:27:11,375 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-15 21:27:11,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-15 21:27:11,381 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:27:11,382 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-15 21:27:11,384 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:27:11,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:27:11,391 INFO L82 PathProgramCache]: Analyzing trace with hash 30449478, now seen corresponding path program 1 times [2019-11-15 21:27:11,401 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:27:11,401 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984471849] [2019-11-15 21:27:11,402 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:11,402 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:11,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:27:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:27:11,516 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984471849] [2019-11-15 21:27:11,517 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:27:11,518 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 21:27:11,518 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011506193] [2019-11-15 21:27:11,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 21:27:11,523 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:11,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 21:27:11,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 21:27:11,542 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-11-15 21:27:11,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:27:11,566 INFO L93 Difference]: Finished difference Result 22 states and 29 transitions. [2019-11-15 21:27:11,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 21:27:11,569 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2019-11-15 21:27:11,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:27:11,581 INFO L225 Difference]: With dead ends: 22 [2019-11-15 21:27:11,582 INFO L226 Difference]: Without dead ends: 10 [2019-11-15 21:27:11,585 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 21:27:11,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-15 21:27:11,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-15 21:27:11,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-15 21:27:11,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-11-15 21:27:11,628 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 13 transitions. Word has length 5 [2019-11-15 21:27:11,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:27:11,629 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-15 21:27:11,629 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 21:27:11,629 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2019-11-15 21:27:11,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-15 21:27:11,631 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:27:11,631 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-15 21:27:11,634 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:27:11,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:27:11,635 INFO L82 PathProgramCache]: Analyzing trace with hash 921974944, now seen corresponding path program 1 times [2019-11-15 21:27:11,636 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:27:11,636 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493320410] [2019-11-15 21:27:11,636 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:11,637 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:11,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:27:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:11,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:27:11,772 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493320410] [2019-11-15 21:27:11,773 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:27:11,773 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 21:27:11,773 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725215739] [2019-11-15 21:27:11,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:27:11,774 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:11,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:27:11,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:27:11,775 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. Second operand 3 states. [2019-11-15 21:27:11,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:27:11,801 INFO L93 Difference]: Finished difference Result 19 states and 25 transitions. [2019-11-15 21:27:11,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:27:11,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-15 21:27:11,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:27:11,803 INFO L225 Difference]: With dead ends: 19 [2019-11-15 21:27:11,803 INFO L226 Difference]: Without dead ends: 15 [2019-11-15 21:27:11,804 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:27:11,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-15 21:27:11,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2019-11-15 21:27:11,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-15 21:27:11,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-15 21:27:11,808 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 15 transitions. Word has length 6 [2019-11-15 21:27:11,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:27:11,808 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-15 21:27:11,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:27:11,808 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-15 21:27:11,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 21:27:11,809 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:27:11,809 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:27:11,810 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:27:11,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:27:11,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1442215575, now seen corresponding path program 1 times [2019-11-15 21:27:11,810 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:27:11,810 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186012696] [2019-11-15 21:27:11,811 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:11,811 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:27:11,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:27:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:27:12,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:27:12,219 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186012696] [2019-11-15 21:27:12,220 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:27:12,220 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 21:27:12,220 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641831515] [2019-11-15 21:27:12,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:27:12,221 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:27:12,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:27:12,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:27:12,222 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. Second operand 4 states. [2019-11-15 21:27:12,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:27:12,424 INFO L93 Difference]: Finished difference Result 24 states and 34 transitions. [2019-11-15 21:27:12,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 21:27:12,426 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-15 21:27:12,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:27:12,427 INFO L225 Difference]: With dead ends: 24 [2019-11-15 21:27:12,427 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 21:27:12,428 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 21:27:12,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 21:27:12,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 21:27:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 21:27:12,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 21:27:12,429 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-11-15 21:27:12,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:27:12,429 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:27:12,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:27:12,429 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 21:27:12,430 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 21:27:12,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 21:27:12,466 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 21:27:12,467 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-11-15 21:27:12,467 INFO L443 ceAbstractionStarter]: For program point L23(lines 23 26) no Hoare annotation was computed. [2019-11-15 21:27:12,467 INFO L439 ceAbstractionStarter]: At program point L23-2(lines 16 29) the Hoare annotation is: (or (and (<= (div ULTIMATE.start_main_~y~0 4294967296) 0) (<= 1 ULTIMATE.start_main_~y~0)) (<= (* 2863311531 ULTIMATE.start_main_~x~0) (let ((.cse0 (div ULTIMATE.start_main_~x~0 4294967296))) (+ (* 8589934592 (div (+ (* .cse0 (- 4294967296)) ULTIMATE.start_main_~x~0) 3)) (* 12297829383904690176 .cse0) 1431655765)))) [2019-11-15 21:27:12,467 INFO L443 ceAbstractionStarter]: For program point L17(lines 17 28) no Hoare annotation was computed. [2019-11-15 21:27:12,468 INFO L443 ceAbstractionStarter]: For program point L7(lines 7 8) no Hoare annotation was computed. [2019-11-15 21:27:12,468 INFO L446 ceAbstractionStarter]: At program point L32(lines 12 33) the Hoare annotation is: true [2019-11-15 21:27:12,468 INFO L446 ceAbstractionStarter]: At program point L30(lines 30 31) the Hoare annotation is: true [2019-11-15 21:27:12,468 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 21:27:12,468 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 21:27:12,468 INFO L443 ceAbstractionStarter]: For program point L20(lines 20 27) no Hoare annotation was computed. [2019-11-15 21:27:12,468 INFO L443 ceAbstractionStarter]: For program point L16-1(lines 16 29) no Hoare annotation was computed. [2019-11-15 21:27:12,468 INFO L443 ceAbstractionStarter]: For program point L16-3(lines 12 33) no Hoare annotation was computed. [2019-11-15 21:27:12,469 INFO L443 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-11-15 21:27:12,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:27:12 BoogieIcfgContainer [2019-11-15 21:27:12,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:27:12,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:27:12,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:27:12,487 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:27:12,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:27:11" (3/4) ... [2019-11-15 21:27:12,492 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 21:27:12,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 21:27:12,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 21:27:12,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_37625bec-1d3c-4b74-a885-207709ceeb2c/bin/uautomizer/witness.graphml [2019-11-15 21:27:12,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:27:12,553 INFO L168 Benchmark]: Toolchain (without parser) took 2086.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-11-15 21:27:12,553 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:27:12,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.7 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -230.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:27:12,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:27:12,555 INFO L168 Benchmark]: Boogie Preprocessor took 49.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:27:12,555 INFO L168 Benchmark]: RCFGBuilder took 291.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:27:12,556 INFO L168 Benchmark]: TraceAbstraction took 1195.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:27:12,556 INFO L168 Benchmark]: Witness Printer took 63.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:27:12,559 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 431.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.7 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -230.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 291.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1195.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. * Witness Printer took 63.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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: 16]: Loop Invariant Derived loop invariant: (y / 4294967296 <= 0 && 1 <= y) || 2863311531 * x <= 8589934592 * ((x / 4294967296 * -4294967296 + x) / 3) + 12297829383904690176 * (x / 4294967296) + 1431655765 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 43 SDtfs, 7 SDslu, 21 SDs, 0 SdLazy, 19 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 7 NumberOfFragments, 34 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 753 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...