./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71501a10523f048daeb674450fd4ef1923432fa1 ........................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:45:30,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:45:30,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:45:30,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:45:30,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:45:30,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:45:30,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:45:30,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:45:30,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:45:30,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:45:30,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:45:30,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:45:30,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:45:30,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:45:30,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:45:30,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:45:30,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:45:30,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:45:30,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:45:30,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:45:30,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:45:30,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:45:30,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:45:30,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:45:30,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:45:30,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:45:30,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:45:30,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:45:30,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:45:30,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:45:30,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:45:30,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:45:30,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:45:30,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:45:30,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:45:30,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:45:30,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:45:30,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:45:30,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:45:30,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:45:30,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:45:30,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:45:30,744 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:45:30,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:45:30,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:45:30,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:45:30,746 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:45:30,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:45:30,746 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:45:30,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:45:30,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:45:30,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:45:30,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:45:30,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:45:30,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:45:30,748 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:45:30,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:45:30,748 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:45:30,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:45:30,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:45:30,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:45:30,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:45:30,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:45:30,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:45:30,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:45:30,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:45:30,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:45:30,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:45:30,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:45:30,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:45:30,750 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:45:30,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71501a10523f048daeb674450fd4ef1923432fa1 [2020-12-01 15:45:30,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:45:31,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:45:31,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:45:31,017 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:45:31,018 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:45:31,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/test10.c [2020-12-01 15:45:31,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/bin/uautomizer/data/4b663b45c/6b35f55134a74b2f961f681c80d4812f/FLAGc969d2126 [2020-12-01 15:45:31,561 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:45:31,562 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/sv-benchmarks/c/ldv-regression/test10.c [2020-12-01 15:45:31,568 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/bin/uautomizer/data/4b663b45c/6b35f55134a74b2f961f681c80d4812f/FLAGc969d2126 [2020-12-01 15:45:31,939 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/bin/uautomizer/data/4b663b45c/6b35f55134a74b2f961f681c80d4812f [2020-12-01 15:45:31,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:45:31,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:45:31,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:45:31,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:45:31,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:45:31,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:45:31" (1/1) ... [2020-12-01 15:45:31,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b02d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:31, skipping insertion in model container [2020-12-01 15:45:31,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:45:31" (1/1) ... [2020-12-01 15:45:31,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:45:31,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:45:32,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:45:32,186 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:45:32,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:45:32,230 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:45:32,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:32 WrapperNode [2020-12-01 15:45:32,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:45:32,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:45:32,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:45:32,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:45:32,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:32" (1/1) ... [2020-12-01 15:45:32,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:32" (1/1) ... [2020-12-01 15:45:32,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:45:32,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:45:32,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:45:32,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:45:32,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:32" (1/1) ... [2020-12-01 15:45:32,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:32" (1/1) ... [2020-12-01 15:45:32,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:32" (1/1) ... [2020-12-01 15:45:32,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:32" (1/1) ... [2020-12-01 15:45:32,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:32" (1/1) ... [2020-12-01 15:45:32,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:32" (1/1) ... [2020-12-01 15:45:32,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:32" (1/1) ... [2020-12-01 15:45:32,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:45:32,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:45:32,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:45:32,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:45:32,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/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 [2020-12-01 15:45:32,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 15:45:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 15:45:32,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:45:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 15:45:32,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:45:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:45:32,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:45:32,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:45:32,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:45:32,916 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:45:32,916 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-01 15:45:32,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:45:32 BoogieIcfgContainer [2020-12-01 15:45:32,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:45:32,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:45:32,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:45:32,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:45:32,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:45:31" (1/3) ... [2020-12-01 15:45:32,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4309e49c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:45:32, skipping insertion in model container [2020-12-01 15:45:32,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:45:32" (2/3) ... [2020-12-01 15:45:32,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4309e49c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:45:32, skipping insertion in model container [2020-12-01 15:45:32,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:45:32" (3/3) ... [2020-12-01 15:45:32,935 INFO L111 eAbstractionObserver]: Analyzing ICFG test10.c [2020-12-01 15:45:32,965 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:45:32,969 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:45:32,990 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:45:33,035 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:45:33,036 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:45:33,037 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:45:33,037 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:45:33,037 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:45:33,037 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:45:33,038 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:45:33,038 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:45:33,053 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-12-01 15:45:33,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 15:45:33,059 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:45:33,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:45:33,061 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:45:33,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:33,068 INFO L82 PathProgramCache]: Analyzing trace with hash 889477034, now seen corresponding path program 1 times [2020-12-01 15:45:33,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:33,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609577379] [2020-12-01 15:45:33,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:45:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:45:33,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609577379] [2020-12-01 15:45:33,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:45:33,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-01 15:45:33,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544068168] [2020-12-01 15:45:33,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 15:45:33,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:45:33,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 15:45:33,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:45:33,743 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 5 states. [2020-12-01 15:45:33,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:45:33,993 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2020-12-01 15:45:33,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 15:45:33,996 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2020-12-01 15:45:33,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:45:34,003 INFO L225 Difference]: With dead ends: 17 [2020-12-01 15:45:34,004 INFO L226 Difference]: Without dead ends: 7 [2020-12-01 15:45:34,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:45:34,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-12-01 15:45:34,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-12-01 15:45:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-12-01 15:45:34,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2020-12-01 15:45:34,051 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2020-12-01 15:45:34,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:45:34,051 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2020-12-01 15:45:34,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 15:45:34,051 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-12-01 15:45:34,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 15:45:34,052 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:45:34,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:45:34,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:45:34,053 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:45:34,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:45:34,054 INFO L82 PathProgramCache]: Analyzing trace with hash 889478956, now seen corresponding path program 1 times [2020-12-01 15:45:34,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:45:34,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594142665] [2020-12-01 15:45:34,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:45:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:45:34,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:45:34,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594142665] [2020-12-01 15:45:34,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:45:34,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 15:45:34,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218654988] [2020-12-01 15:45:34,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 15:45:34,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:45:34,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:45:34,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:45:34,207 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand 6 states. [2020-12-01 15:45:34,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:45:34,409 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-12-01 15:45:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-01 15:45:34,410 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2020-12-01 15:45:34,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:45:34,410 INFO L225 Difference]: With dead ends: 7 [2020-12-01 15:45:34,410 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:45:34,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-01 15:45:34,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:45:34,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:45:34,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:45:34,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:45:34,413 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-12-01 15:45:34,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:45:34,413 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:45:34,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 15:45:34,413 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:45:34,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:45:34,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:45:34,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:45:34,558 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:45:34,559 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:45:34,559 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:45:34,559 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:45:34,559 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:45:34,560 INFO L258 CegarLoopResult]: At program point L50(lines 18 51) the Hoare annotation is: (and (= |~#b~0.base| (select (select |#memory_$Pointer$.base| ~pp2~0.base) |~#p1~0.offset|)) (= (select (select |#memory_$Pointer$.offset| |~#p1~0.base|) |~#p1~0.offset|) |~#b~0.offset|) (not (= |~#b~0.base| ~pp2~0.base)) (not (= |~#p2~0.base| |~#a~0.base|)) (= ~pp2~0.base |~#p1~0.base|) (not (= |~#b~0.base| |~#p2~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (not (= |~#p1~0.base| |~#a~0.base|))) [2020-12-01 15:45:34,560 INFO L258 CegarLoopResult]: At program point L15(lines 11 16) the Hoare annotation is: (and (= |~#b~0.base| (select (select |#memory_$Pointer$.base| ~pp2~0.base) |~#p1~0.offset|)) (= (select (select |#memory_$Pointer$.offset| |~#p1~0.base|) |~#p1~0.offset|) |~#b~0.offset|) (not (= |~#b~0.base| ~pp2~0.base)) (not (= |~#p2~0.base| |~#a~0.base|)) (= |~#p1~0.offset| ~pp2~0.offset) (= ~pp2~0.base |~#p1~0.base|) (not (= |~#b~0.base| |~#p2~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (not (= |~#p1~0.base| |~#a~0.base|))) [2020-12-01 15:45:34,560 INFO L258 CegarLoopResult]: At program point L44(lines 18 51) the Hoare annotation is: false [2020-12-01 15:45:34,560 INFO L262 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-12-01 15:45:34,560 INFO L262 CegarLoopResult]: For program point L43-2(lines 43 45) no Hoare annotation was computed. [2020-12-01 15:45:34,561 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-01 15:45:34,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-01 15:45:34,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-01 15:45:34,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-12-01 15:45:34,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-12-01 15:45:34,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-01 15:45:34,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-01 15:45:34,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-12-01 15:45:34,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-12-01 15:45:34,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-01 15:45:34,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-01 15:45:34,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-12-01 15:45:34,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-12-01 15:45:34,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-01 15:45:34,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-01 15:45:34,583 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-12-01 15:45:34,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-12-01 15:45:34,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:45:34 BoogieIcfgContainer [2020-12-01 15:45:34,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:45:34,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:45:34,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:45:34,587 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:45:34,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:45:32" (3/4) ... [2020-12-01 15:45:34,591 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:45:34,601 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 15:45:34,601 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:45:34,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:45:34,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:45:34,677 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d8259f6f-1d1c-4648-81bb-5b8e4391dfd4/bin/uautomizer/witness.graphml [2020-12-01 15:45:34,677 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:45:34,679 INFO L168 Benchmark]: Toolchain (without parser) took 2734.67 ms. Allocated memory was 125.8 MB in the beginning and 163.6 MB in the end (delta: 37.7 MB). Free memory was 95.9 MB in the beginning and 121.5 MB in the end (delta: -25.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:45:34,680 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:45:34,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.40 ms. Allocated memory is still 125.8 MB. Free memory was 95.9 MB in the beginning and 100.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:45:34,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.09 ms. Allocated memory is still 125.8 MB. Free memory was 100.9 MB in the beginning and 99.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:45:34,681 INFO L168 Benchmark]: Boogie Preprocessor took 44.12 ms. Allocated memory is still 125.8 MB. Free memory was 99.2 MB in the beginning and 98.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:45:34,682 INFO L168 Benchmark]: RCFGBuilder took 590.81 ms. Allocated memory is still 125.8 MB. Free memory was 98.1 MB in the beginning and 78.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 15:45:34,682 INFO L168 Benchmark]: TraceAbstraction took 1666.09 ms. Allocated memory was 125.8 MB in the beginning and 163.6 MB in the end (delta: 37.7 MB). Free memory was 78.3 MB in the beginning and 124.7 MB in the end (delta: -46.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:45:34,683 INFO L168 Benchmark]: Witness Printer took 90.37 ms. Allocated memory is still 163.6 MB. Free memory was 124.7 MB in the beginning and 121.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:45:34,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 287.40 ms. Allocated memory is still 125.8 MB. Free memory was 95.9 MB in the beginning and 100.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.09 ms. Allocated memory is still 125.8 MB. Free memory was 100.9 MB in the beginning and 99.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.12 ms. Allocated memory is still 125.8 MB. Free memory was 99.2 MB in the beginning and 98.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 590.81 ms. Allocated memory is still 125.8 MB. Free memory was 98.1 MB in the beginning and 78.7 MB in the end (delta: 19.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1666.09 ms. Allocated memory was 125.8 MB in the beginning and 163.6 MB in the end (delta: 37.7 MB). Free memory was 78.3 MB in the beginning and 124.7 MB in the end (delta: -46.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 90.37 ms. Allocated memory is still 163.6 MB. Free memory was 124.7 MB in the beginning and 121.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 11]: Loop Invariant [2020-12-01 15:45:34,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-01 15:45:34,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-01 15:45:34,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-12-01 15:45:34,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-12-01 15:45:34,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-01 15:45:34,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-01 15:45:34,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-12-01 15:45:34,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((b == #memory_$Pointer$[pp2][p1] && #memory_$Pointer$[p1][p1] == b) && !(b == pp2)) && !(p2 == a)) && p1 == pp2) && pp2 == p1) && !(b == p2)) && !(b == a)) && !(p1 == a) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant [2020-12-01 15:45:34,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-01 15:45:34,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-01 15:45:34,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-12-01 15:45:34,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-12-01 15:45:34,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-01 15:45:34,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-01 15:45:34,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-12-01 15:45:34,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((b == #memory_$Pointer$[pp2][p1] && #memory_$Pointer$[p1][p1] == b) && !(b == pp2)) && !(p2 == a)) && pp2 == p1) && !(b == p2)) && !(b == a)) && !(p1 == a) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 14 SDslu, 5 SDs, 0 SdLazy, 16 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 4 NumberOfFragments, 80 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...