./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/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 0ff63897979b5dc3504f5d670d2783900c29ce57 ....................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/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 0ff63897979b5dc3504f5d670d2783900c29ce57 ............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:33:26,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:33:26,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:33:26,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:33:26,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:33:26,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:33:26,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:33:26,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:33:26,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:33:26,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:33:26,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:33:26,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:33:26,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:33:26,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:33:26,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:33:26,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:33:26,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:33:26,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:33:26,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:33:26,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:33:26,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:33:26,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:33:26,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:33:26,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:33:26,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:33:26,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:33:26,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:33:26,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:33:26,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:33:26,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:33:26,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:33:26,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:33:26,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:33:26,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:33:26,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:33:26,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:33:26,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:33:26,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:33:26,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:33:26,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:33:26,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:33:26,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 11:33:26,639 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:33:26,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:33:26,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:33:26,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:33:26,641 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:33:26,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:33:26,641 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:33:26,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:33:26,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:33:26,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:33:26,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:33:26,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:33:26,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:33:26,642 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:33:26,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:33:26,643 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:33:26,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:33:26,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:33:26,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:33:26,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:33:26,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:33:26,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:33:26,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:33:26,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:33:26,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:33:26,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:33:26,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:33:26,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:33:26,645 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:33:26,645 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_97ef5713-991c-42d8-b0af-aeaf04a048c1/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 -> 0ff63897979b5dc3504f5d670d2783900c29ce57 [2019-12-07 11:33:26,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:33:26,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:33:26,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:33:26,780 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:33:26,781 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:33:26,781 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-12-07 11:33:26,821 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/data/f9b0397ea/af1b9a8260504b90a2fdb17667781548/FLAG2f8fbef40 [2019-12-07 11:33:27,206 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:33:27,206 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-12-07 11:33:27,210 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/data/f9b0397ea/af1b9a8260504b90a2fdb17667781548/FLAG2f8fbef40 [2019-12-07 11:33:27,219 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/data/f9b0397ea/af1b9a8260504b90a2fdb17667781548 [2019-12-07 11:33:27,220 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:33:27,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:33:27,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:33:27,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:33:27,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:33:27,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:33:27" (1/1) ... [2019-12-07 11:33:27,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce49fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:27, skipping insertion in model container [2019-12-07 11:33:27,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:33:27" (1/1) ... [2019-12-07 11:33:27,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:33:27,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:33:27,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:33:27,372 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:33:27,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:33:27,394 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:33:27,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:27 WrapperNode [2019-12-07 11:33:27,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:33:27,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:33:27,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:33:27,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:33:27,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:27" (1/1) ... [2019-12-07 11:33:27,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:27" (1/1) ... [2019-12-07 11:33:27,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:33:27,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:33:27,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:33:27,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:33:27,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:27" (1/1) ... [2019-12-07 11:33:27,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:27" (1/1) ... [2019-12-07 11:33:27,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:27" (1/1) ... [2019-12-07 11:33:27,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:27" (1/1) ... [2019-12-07 11:33:27,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:27" (1/1) ... [2019-12-07 11:33:27,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:27" (1/1) ... [2019-12-07 11:33:27,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:27" (1/1) ... [2019-12-07 11:33:27,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:33:27,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:33:27,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:33:27,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:33:27,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/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 [2019-12-07 11:33:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:33:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:33:27,543 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:33:27,543 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 11:33:27,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:33:27 BoogieIcfgContainer [2019-12-07 11:33:27,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:33:27,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:33:27,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:33:27,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:33:27,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:33:27" (1/3) ... [2019-12-07 11:33:27,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17999ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:33:27, skipping insertion in model container [2019-12-07 11:33:27,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:27" (2/3) ... [2019-12-07 11:33:27,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17999ea4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:33:27, skipping insertion in model container [2019-12-07 11:33:27,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:33:27" (3/3) ... [2019-12-07 11:33:27,549 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2019-12-07 11:33:27,555 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:33:27,559 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:33:27,566 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:33:27,580 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:33:27,580 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:33:27,580 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:33:27,580 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:33:27,580 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:33:27,580 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:33:27,581 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:33:27,581 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:33:27,589 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-12-07 11:33:27,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 11:33:27,592 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:33:27,593 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 11:33:27,593 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:33:27,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:33:27,597 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-12-07 11:33:27,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:33:27,602 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424944203] [2019-12-07 11:33:27,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:33:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:33:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:33:27,677 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:33:27,677 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:33:27,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:33:27 BoogieIcfgContainer [2019-12-07 11:33:27,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:33:27,687 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:33:27,687 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:33:27,687 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:33:27,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:33:27" (3/4) ... [2019-12-07 11:33:27,689 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:33:27,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:33:27,691 INFO L168 Benchmark]: Toolchain (without parser) took 469.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -106.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:33:27,692 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:33:27,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -139.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:27,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:33:27,693 INFO L168 Benchmark]: Boogie Preprocessor took 11.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:33:27,693 INFO L168 Benchmark]: RCFGBuilder took 117.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:27,694 INFO L168 Benchmark]: TraceAbstraction took 141.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:27,694 INFO L168 Benchmark]: Witness Printer took 2.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:33:27,696 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -139.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 117.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 141.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseComplement at line 6. Possible FailurePath: [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; [L7] COND TRUE result_8 == 0xfa [L12] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 11:33:29,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:33:29,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:33:29,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:33:29,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:33:29,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:33:29,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:33:29,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:33:29,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:33:29,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:33:29,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:33:29,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:33:29,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:33:29,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:33:29,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:33:29,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:33:29,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:33:29,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:33:29,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:33:29,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:33:29,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:33:29,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:33:29,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:33:29,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:33:29,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:33:29,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:33:29,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:33:29,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:33:29,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:33:29,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:33:29,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:33:29,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:33:29,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:33:29,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:33:29,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:33:29,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:33:29,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:33:29,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:33:29,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:33:29,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:33:29,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:33:29,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 11:33:29,046 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:33:29,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:33:29,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:33:29,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:33:29,047 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:33:29,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:33:29,048 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:33:29,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:33:29,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:33:29,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:33:29,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:33:29,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:33:29,048 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:33:29,048 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:33:29,049 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:33:29,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:33:29,049 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:33:29,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:33:29,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:33:29,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:33:29,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:33:29,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:33:29,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:33:29,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:33:29,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:33:29,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:33:29,050 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 11:33:29,051 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:33:29,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:33:29,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:33:29,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:33:29,051 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_97ef5713-991c-42d8-b0af-aeaf04a048c1/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 -> 0ff63897979b5dc3504f5d670d2783900c29ce57 [2019-12-07 11:33:29,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:33:29,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:33:29,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:33:29,230 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:33:29,230 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:33:29,231 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-12-07 11:33:29,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/data/ad5e4db90/a3002e5243594f46b7ca27e56276fd60/FLAG4e6fb9c58 [2019-12-07 11:33:29,717 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:33:29,718 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-12-07 11:33:29,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/data/ad5e4db90/a3002e5243594f46b7ca27e56276fd60/FLAG4e6fb9c58 [2019-12-07 11:33:29,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/data/ad5e4db90/a3002e5243594f46b7ca27e56276fd60 [2019-12-07 11:33:29,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:33:29,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:33:29,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:33:29,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:33:29,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:33:29,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:33:29" (1/1) ... [2019-12-07 11:33:29,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be62654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:29, skipping insertion in model container [2019-12-07 11:33:29,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:33:29" (1/1) ... [2019-12-07 11:33:29,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:33:29,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:33:29,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:33:29,855 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:33:29,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:33:29,872 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:33:29,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:29 WrapperNode [2019-12-07 11:33:29,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:33:29,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:33:29,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:33:29,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:33:29,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:29" (1/1) ... [2019-12-07 11:33:29,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:29" (1/1) ... [2019-12-07 11:33:29,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:33:29,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:33:29,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:33:29,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:33:29,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:29" (1/1) ... [2019-12-07 11:33:29,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:29" (1/1) ... [2019-12-07 11:33:29,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:29" (1/1) ... [2019-12-07 11:33:29,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:29" (1/1) ... [2019-12-07 11:33:29,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:29" (1/1) ... [2019-12-07 11:33:29,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:29" (1/1) ... [2019-12-07 11:33:29,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:29" (1/1) ... [2019-12-07 11:33:29,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:33:29,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:33:29,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:33:29,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:33:29,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/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 [2019-12-07 11:33:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:33:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:33:30,056 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:33:30,056 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 11:33:30,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:33:30 BoogieIcfgContainer [2019-12-07 11:33:30,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:33:30,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:33:30,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:33:30,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:33:30,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:33:29" (1/3) ... [2019-12-07 11:33:30,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41424704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:33:30, skipping insertion in model container [2019-12-07 11:33:30,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:33:29" (2/3) ... [2019-12-07 11:33:30,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41424704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:33:30, skipping insertion in model container [2019-12-07 11:33:30,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:33:30" (3/3) ... [2019-12-07 11:33:30,061 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2019-12-07 11:33:30,068 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:33:30,071 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:33:30,078 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:33:30,092 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:33:30,093 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:33:30,093 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:33:30,093 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:33:30,093 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:33:30,093 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:33:30,093 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:33:30,093 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:33:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-12-07 11:33:30,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-07 11:33:30,105 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:33:30,106 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-07 11:33:30,106 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:33:30,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:33:30,110 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-12-07 11:33:30,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:33:30,117 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422091827] [2019-12-07 11:33:30,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 11:33:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:33:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:33:30,155 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 11:33:30,156 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:33:30,357 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:33:30,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:33:30 BoogieIcfgContainer [2019-12-07 11:33:30,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:33:30,393 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:33:30,393 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:33:30,394 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:33:30,394 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:33:30" (3/4) ... [2019-12-07 11:33:30,398 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 11:33:30,427 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_97ef5713-991c-42d8-b0af-aeaf04a048c1/bin/uautomizer/witness.graphml [2019-12-07 11:33:30,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:33:30,429 INFO L168 Benchmark]: Toolchain (without parser) took 691.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -126.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:33:30,429 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:33:30,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 135.48 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:30,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.78 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:33:30,430 INFO L168 Benchmark]: Boogie Preprocessor took 44.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:30,431 INFO L168 Benchmark]: RCFGBuilder took 117.90 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:30,431 INFO L168 Benchmark]: TraceAbstraction took 334.85 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: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:30,432 INFO L168 Benchmark]: Witness Printer took 34.58 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:33:30,434 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 135.48 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.78 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 117.90 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 334.85 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: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Witness Printer took 34.58 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; [L7] COND TRUE result_8 == 0xfa [L12] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...