./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX --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 5914c4745abcb0dcb313c2b575f4f16975b523b456d4ed119a355a5c133e341f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:46:13,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:46:13,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:46:14,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:46:14,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:46:14,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:46:14,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:46:14,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:46:14,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:46:14,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:46:14,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:46:14,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:46:14,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:46:14,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:46:14,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:46:14,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:46:14,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:46:14,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:46:14,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:46:14,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:46:14,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:46:14,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:46:14,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:46:14,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:46:14,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:46:14,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:46:14,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:46:14,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:46:14,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:46:14,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:46:14,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:46:14,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:46:14,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:46:14,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:46:14,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:46:14,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:46:14,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:46:14,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:46:14,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:46:14,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:46:14,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:46:14,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 08:46:14,144 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:46:14,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:46:14,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:46:14,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:46:14,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:46:14,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:46:14,146 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:46:14,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:46:14,147 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:46:14,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:46:14,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:46:14,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:46:14,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:46:14,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:46:14,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:46:14,148 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:46:14,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:46:14,148 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:46:14,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:46:14,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:46:14,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:46:14,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:46:14,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:46:14,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:46:14,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:46:14,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:46:14,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:46:14,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 08:46:14,151 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:46:14,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:46:14,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:46:14,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:46:14,154 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_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5914c4745abcb0dcb313c2b575f4f16975b523b456d4ed119a355a5c133e341f [2021-11-09 08:46:14,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:46:14,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:46:14,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:46:14,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:46:14,465 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:46:14,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2021-11-09 08:46:14,567 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/data/08c41a28c/a0d1e2c77b5c47fdaeebc4d0af4205fc/FLAG8c143d3fa [2021-11-09 08:46:15,040 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:46:15,040 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2021-11-09 08:46:15,047 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/data/08c41a28c/a0d1e2c77b5c47fdaeebc4d0af4205fc/FLAG8c143d3fa [2021-11-09 08:46:15,415 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/data/08c41a28c/a0d1e2c77b5c47fdaeebc4d0af4205fc [2021-11-09 08:46:15,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:46:15,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:46:15,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:46:15,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:46:15,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:46:15,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:46:15" (1/1) ... [2021-11-09 08:46:15,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60b12524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:15, skipping insertion in model container [2021-11-09 08:46:15,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:46:15" (1/1) ... [2021-11-09 08:46:15,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:46:15,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:46:15,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[359,372] [2021-11-09 08:46:15,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:46:15,649 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:46:15,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[359,372] [2021-11-09 08:46:15,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:46:15,676 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:46:15,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:15 WrapperNode [2021-11-09 08:46:15,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:46:15,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:46:15,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:46:15,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:46:15,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:15" (1/1) ... [2021-11-09 08:46:15,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:15" (1/1) ... [2021-11-09 08:46:15,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:46:15,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:46:15,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:46:15,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:46:15,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:15" (1/1) ... [2021-11-09 08:46:15,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:15" (1/1) ... [2021-11-09 08:46:15,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:15" (1/1) ... [2021-11-09 08:46:15,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:15" (1/1) ... [2021-11-09 08:46:15,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:15" (1/1) ... [2021-11-09 08:46:15,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:15" (1/1) ... [2021-11-09 08:46:15,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:15" (1/1) ... [2021-11-09 08:46:15,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:46:15,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:46:15,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:46:15,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:46:15,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:15" (1/1) ... [2021-11-09 08:46:15,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:46:15,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:15,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:15,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:46:15,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:46:15,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:46:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:46:15,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:46:16,078 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:46:16,091 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-09 08:46:16,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:46:16 BoogieIcfgContainer [2021-11-09 08:46:16,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:46:16,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:46:16,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:46:16,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:46:16,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:46:15" (1/3) ... [2021-11-09 08:46:16,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a40245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:46:16, skipping insertion in model container [2021-11-09 08:46:16,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:15" (2/3) ... [2021-11-09 08:46:16,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a40245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:46:16, skipping insertion in model container [2021-11-09 08:46:16,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:46:16" (3/3) ... [2021-11-09 08:46:16,111 INFO L111 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2021-11-09 08:46:16,117 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:46:16,117 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-09 08:46:16,188 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:46:16,195 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 08:46:16,195 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-09 08:46:16,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:16,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-09 08:46:16,231 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:46:16,232 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:46:16,233 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 08:46:16,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:16,239 INFO L85 PathProgramCache]: Analyzing trace with hash 889783783, now seen corresponding path program 1 times [2021-11-09 08:46:16,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:16,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586657506] [2021-11-09 08:46:16,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:16,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:16,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:46:16,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:46:16,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586657506] [2021-11-09 08:46:16,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586657506] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:46:16,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:46:16,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:46:16,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857623823] [2021-11-09 08:46:16,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-09 08:46:16,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:46:16,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 08:46:16,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 08:46:16,446 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:16,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:46:16,462 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2021-11-09 08:46:16,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 08:46:16,464 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-09 08:46:16,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:46:16,472 INFO L225 Difference]: With dead ends: 20 [2021-11-09 08:46:16,472 INFO L226 Difference]: Without dead ends: 8 [2021-11-09 08:46:16,476 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 08:46:16,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-09 08:46:16,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-09 08:46:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:16,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-11-09 08:46:16,507 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2021-11-09 08:46:16,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:46:16,507 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2021-11-09 08:46:16,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:16,508 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-11-09 08:46:16,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-09 08:46:16,508 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:46:16,509 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:46:16,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 08:46:16,509 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 08:46:16,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:16,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1806847180, now seen corresponding path program 1 times [2021-11-09 08:46:16,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:46:16,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084911010] [2021-11-09 08:46:16,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:16,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:46:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:16,545 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:46:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:46:16,585 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:46:16,585 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-09 08:46:16,587 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:46:16,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 08:46:16,593 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-09 08:46:16,596 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 08:46:16,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 08:46:16 BoogieIcfgContainer [2021-11-09 08:46:16,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 08:46:16,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:46:16,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:46:16,617 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:46:16,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:46:16" (3/4) ... [2021-11-09 08:46:16,621 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 08:46:16,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:46:16,623 INFO L168 Benchmark]: Toolchain (without parser) took 1202.30 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 66.9 MB in the beginning and 62.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:16,624 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 55.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:46:16,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.19 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 66.6 MB in the beginning and 96.6 MB in the end (delta: -30.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:16,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.66 ms. Allocated memory is still 121.6 MB. Free memory was 96.6 MB in the beginning and 95.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:16,626 INFO L168 Benchmark]: Boogie Preprocessor took 23.85 ms. Allocated memory is still 121.6 MB. Free memory was 95.0 MB in the beginning and 94.1 MB in the end (delta: 826.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:46:16,627 INFO L168 Benchmark]: RCFGBuilder took 353.79 ms. Allocated memory is still 121.6 MB. Free memory was 94.1 MB in the beginning and 85.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:16,627 INFO L168 Benchmark]: TraceAbstraction took 519.77 ms. Allocated memory is still 121.6 MB. Free memory was 84.5 MB in the beginning and 62.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:16,628 INFO L168 Benchmark]: Witness Printer took 4.52 ms. Allocated memory is still 121.6 MB. Free memory was 62.7 MB in the beginning and 62.1 MB in the end (delta: 570.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:16,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 55.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 256.19 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 66.6 MB in the beginning and 96.6 MB in the end (delta: -30.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.66 ms. Allocated memory is still 121.6 MB. Free memory was 96.6 MB in the beginning and 95.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.85 ms. Allocated memory is still 121.6 MB. Free memory was 95.0 MB in the beginning and 94.1 MB in the end (delta: 826.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 353.79 ms. Allocated memory is still 121.6 MB. Free memory was 94.1 MB in the beginning and 85.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 519.77 ms. Allocated memory is still 121.6 MB. Free memory was 84.5 MB in the beginning and 62.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.52 ms. Allocated memory is still 121.6 MB. Free memory was 62.7 MB in the beginning and 62.1 MB in the end (delta: 570.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 16. Possible FailurePath: [L12] unsigned int x = 5; [L13] COND FALSE !(__VERIFIER_nondet_int()) [L6] COND TRUE !(cond) [L7] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 could not prove your program: unable to determine feasibility of some traces [2021-11-09 08:46:16,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX --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 5914c4745abcb0dcb313c2b575f4f16975b523b456d4ed119a355a5c133e341f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:46:19,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:46:19,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:46:19,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:46:19,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:46:19,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:46:19,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:46:19,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:46:19,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:46:19,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:46:19,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:46:19,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:46:19,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:46:19,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:46:19,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:46:19,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:46:19,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:46:19,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:46:19,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:46:19,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:46:19,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:46:19,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:46:19,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:46:19,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:46:19,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:46:19,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:46:19,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:46:19,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:46:19,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:46:19,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:46:19,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:46:19,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:46:19,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:46:19,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:46:19,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:46:19,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:46:19,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:46:19,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:46:19,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:46:19,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:46:19,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:46:19,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-09 08:46:19,344 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:46:19,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:46:19,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:46:19,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:46:19,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:46:19,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:46:19,349 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:46:19,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:46:19,350 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:46:19,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:46:19,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:46:19,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:46:19,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:46:19,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:46:19,353 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-09 08:46:19,353 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-09 08:46:19,353 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:46:19,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:46:19,354 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:46:19,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:46:19,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:46:19,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:46:19,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:46:19,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:46:19,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:46:19,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:46:19,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:46:19,356 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-09 08:46:19,356 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-09 08:46:19,357 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:46:19,357 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:46:19,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:46:19,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:46:19,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-09 08:46:19,358 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5914c4745abcb0dcb313c2b575f4f16975b523b456d4ed119a355a5c133e341f [2021-11-09 08:46:19,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:46:19,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:46:19,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:46:19,785 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:46:19,786 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:46:19,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2021-11-09 08:46:19,864 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/data/ead584038/e781bd511e3146acbf3879472d678a17/FLAG0d8a73238 [2021-11-09 08:46:20,361 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:46:20,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2021-11-09 08:46:20,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/data/ead584038/e781bd511e3146acbf3879472d678a17/FLAG0d8a73238 [2021-11-09 08:46:20,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/data/ead584038/e781bd511e3146acbf3879472d678a17 [2021-11-09 08:46:20,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:46:20,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:46:20,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:46:20,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:46:20,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:46:20,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:46:20" (1/1) ... [2021-11-09 08:46:20,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b25000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:20, skipping insertion in model container [2021-11-09 08:46:20,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:46:20" (1/1) ... [2021-11-09 08:46:20,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:46:20,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:46:21,020 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[359,372] [2021-11-09 08:46:21,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:46:21,056 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:46:21,070 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[359,372] [2021-11-09 08:46:21,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:46:21,096 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:46:21,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:21 WrapperNode [2021-11-09 08:46:21,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:46:21,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:46:21,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:46:21,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:46:21,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:21" (1/1) ... [2021-11-09 08:46:21,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:21" (1/1) ... [2021-11-09 08:46:21,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:46:21,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:46:21,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:46:21,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:46:21,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:21" (1/1) ... [2021-11-09 08:46:21,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:21" (1/1) ... [2021-11-09 08:46:21,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:21" (1/1) ... [2021-11-09 08:46:21,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:21" (1/1) ... [2021-11-09 08:46:21,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:21" (1/1) ... [2021-11-09 08:46:21,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:21" (1/1) ... [2021-11-09 08:46:21,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:21" (1/1) ... [2021-11-09 08:46:21,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:46:21,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:46:21,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:46:21,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:46:21,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:21" (1/1) ... [2021-11-09 08:46:21,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:46:21,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:46:21,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:46:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:46:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:46:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-09 08:46:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:46:21,588 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:46:21,589 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-09 08:46:21,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:46:21 BoogieIcfgContainer [2021-11-09 08:46:21,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:46:21,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:46:21,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:46:21,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:46:21,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:46:20" (1/3) ... [2021-11-09 08:46:21,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575faa17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:46:21, skipping insertion in model container [2021-11-09 08:46:21,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:46:21" (2/3) ... [2021-11-09 08:46:21,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@575faa17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:46:21, skipping insertion in model container [2021-11-09 08:46:21,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:46:21" (3/3) ... [2021-11-09 08:46:21,600 INFO L111 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2021-11-09 08:46:21,611 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:46:21,611 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-09 08:46:21,664 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:46:21,672 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 08:46:21,672 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-09 08:46:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:21,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-09 08:46:21,692 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 08:46:21,693 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:46:21,694 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 08:46:21,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:46:21,701 INFO L85 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2021-11-09 08:46:21,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-09 08:46:21,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108224687] [2021-11-09 08:46:21,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:46:21,718 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-09 08:46:21,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/mathsat [2021-11-09 08:46:21,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-09 08:46:21,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-09 08:46:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:46:21,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 08:46:21,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 08:46:21,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:46:21,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-09 08:46:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:46:21,977 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-09 08:46:21,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108224687] [2021-11-09 08:46:21,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108224687] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-09 08:46:21,978 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:46:21,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-09 08:46:21,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975658485] [2021-11-09 08:46:21,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 08:46:21,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-09 08:46:21,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:46:22,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:46:22,003 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:22,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:46:22,069 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2021-11-09 08:46:22,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 08:46:22,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-09 08:46:22,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 08:46:22,078 INFO L225 Difference]: With dead ends: 24 [2021-11-09 08:46:22,079 INFO L226 Difference]: Without dead ends: 0 [2021-11-09 08:46:22,082 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-09 08:46:22,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-09 08:46:22,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-09 08:46:22,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:22,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-09 08:46:22,111 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-11-09 08:46:22,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 08:46:22,112 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 08:46:22,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:46:22,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-09 08:46:22,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-09 08:46:22,115 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 08:46:22,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-09 08:46:22,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/mathsat -unsat_core_generation=3 [2021-11-09 08:46:22,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-09 08:46:22,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:46:22,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:46:22,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 08:46:22,477 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-09 08:46:22,478 INFO L853 garLoopResultBuilder]: At program point L17(lines 11 18) the Hoare annotation is: (and (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0))) [2021-11-09 08:46:22,491 INFO L853 garLoopResultBuilder]: At program point L13-2(lines 13 15) the Hoare annotation is: (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0)) [2021-11-09 08:46:22,492 INFO L857 garLoopResultBuilder]: For program point L13-3(lines 13 15) no Hoare annotation was computed. [2021-11-09 08:46:22,492 INFO L857 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2021-11-09 08:46:22,492 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-09 08:46:22,492 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-09 08:46:22,493 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-09 08:46:22,493 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2021-11-09 08:46:22,493 INFO L857 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2021-11-09 08:46:22,494 INFO L853 garLoopResultBuilder]: At program point L6-2(lines 5 10) the Hoare annotation is: (and (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0))) [2021-11-09 08:46:22,497 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-09 08:46:22,498 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 08:46:22,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 08:46:22 BoogieIcfgContainer [2021-11-09 08:46:22,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 08:46:22,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 08:46:22,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 08:46:22,511 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 08:46:22,512 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:46:21" (3/4) ... [2021-11-09 08:46:22,516 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-09 08:46:22,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-09 08:46:22,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-09 08:46:22,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 08:46:22,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 08:46:22,589 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 08:46:22,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 08:46:22,595 INFO L168 Benchmark]: Toolchain (without parser) took 1820.51 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.3 MB in the beginning and 40.9 MB in the end (delta: -9.5 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:22,597 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 54.5 MB. Free memory was 34.9 MB in the beginning and 34.9 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:46:22,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.34 ms. Allocated memory is still 54.5 MB. Free memory was 31.2 MB in the beginning and 38.3 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:22,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.00 ms. Allocated memory is still 54.5 MB. Free memory was 38.3 MB in the beginning and 37.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:22,603 INFO L168 Benchmark]: Boogie Preprocessor took 49.48 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 35.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:46:22,604 INFO L168 Benchmark]: RCFGBuilder took 362.56 ms. Allocated memory is still 54.5 MB. Free memory was 35.8 MB in the beginning and 27.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:22,605 INFO L168 Benchmark]: TraceAbstraction took 916.70 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.5 MB in the beginning and 43.0 MB in the end (delta: -16.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 08:46:22,605 INFO L168 Benchmark]: Witness Printer took 81.52 ms. Allocated memory is still 67.1 MB. Free memory was 43.0 MB in the beginning and 40.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 08:46:22,612 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 54.5 MB. Free memory was 34.9 MB in the beginning and 34.9 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 335.34 ms. Allocated memory is still 54.5 MB. Free memory was 31.2 MB in the beginning and 38.3 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.00 ms. Allocated memory is still 54.5 MB. Free memory was 38.3 MB in the beginning and 37.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.48 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 35.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 362.56 ms. Allocated memory is still 54.5 MB. Free memory was 35.8 MB in the beginning and 27.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 916.70 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.5 MB in the beginning and 43.0 MB in the end (delta: -16.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 81.52 ms. Allocated memory is still 67.1 MB. Free memory was 43.0 MB in the beginning and 40.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 6 SDtfs, 18 SDslu, 12 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 23 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 2 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: cond == 1bv32 && 5bv32 == ~bvand32(5bv32, x) - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: cond == 1bv32 && 5bv32 == ~bvand32(5bv32, x) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 5bv32 == ~bvand32(5bv32, x) RESULT: Ultimate proved your program to be correct! [2021-11-09 08:46:22,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc6fe3c1-dfe5-4148-a8df-c3d1e7fcc8fd/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE