./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN --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 64bit --witnessprinter.graph.data.programhash 08891daee860d4f5c8b9eb372c77be9c8f68c10ee67e3866dfab61bc12575d92 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:37:25,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:37:25,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:37:25,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:37:25,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:37:25,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:37:25,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:37:25,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:37:25,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:37:25,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:37:25,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:37:25,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:37:25,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:37:25,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:37:25,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:37:25,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:37:25,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:37:25,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:37:25,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:37:25,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:37:25,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:37:25,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:37:25,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:37:25,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:37:25,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:37:25,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:37:25,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:37:25,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:37:25,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:37:25,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:37:25,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:37:25,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:37:25,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:37:25,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:37:25,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:37:25,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:37:25,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:37:25,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:37:25,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:37:25,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:37:25,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:37:25,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:37:25,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:37:25,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:37:25,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:37:25,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:37:25,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:37:25,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:37:25,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:37:25,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:37:25,869 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:37:25,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:37:25,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:37:25,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:37:25,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:37:25,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:37:25,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:37:25,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:37:25,871 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:37:25,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:37:25,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:37:25,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:37:25,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:37:25,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:37:25,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:37:25,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:37:25,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:37:25,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:37:25,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:37:25,873 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:37:25,874 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:37:25,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:37:25,874 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_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08891daee860d4f5c8b9eb372c77be9c8f68c10ee67e3866dfab61bc12575d92 [2022-11-20 11:37:26,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:37:26,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:37:26,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:37:26,177 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:37:26,177 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:37:26,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c [2022-11-20 11:37:29,239 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:37:29,510 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:37:29,510 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c [2022-11-20 11:37:29,523 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/data/5c5e07ec9/76e6cbd96ec14e828c19c4406997f81e/FLAG413333574 [2022-11-20 11:37:29,542 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/data/5c5e07ec9/76e6cbd96ec14e828c19c4406997f81e [2022-11-20 11:37:29,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:37:29,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:37:29,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:37:29,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:37:29,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:37:29,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:29" (1/1) ... [2022-11-20 11:37:29,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6612d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:29, skipping insertion in model container [2022-11-20 11:37:29,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:29" (1/1) ... [2022-11-20 11:37:29,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:37:29,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:37:29,720 WARN L237 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_a7a439b4-ac0e-4bde-943b-345d09627112/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c[1107,1120] [2022-11-20 11:37:29,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:37:29,796 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:37:29,806 WARN L237 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_a7a439b4-ac0e-4bde-943b-345d09627112/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c[1107,1120] [2022-11-20 11:37:29,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:37:29,860 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:37:29,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:29 WrapperNode [2022-11-20 11:37:29,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:37:29,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:37:29,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:37:29,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:37:29,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:29" (1/1) ... [2022-11-20 11:37:29,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:29" (1/1) ... [2022-11-20 11:37:29,929 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 178 [2022-11-20 11:37:29,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:37:29,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:37:29,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:37:29,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:37:29,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:29" (1/1) ... [2022-11-20 11:37:29,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:29" (1/1) ... [2022-11-20 11:37:29,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:29" (1/1) ... [2022-11-20 11:37:29,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:29" (1/1) ... [2022-11-20 11:37:29,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:29" (1/1) ... [2022-11-20 11:37:29,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:29" (1/1) ... [2022-11-20 11:37:29,957 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:29" (1/1) ... [2022-11-20 11:37:29,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:29" (1/1) ... [2022-11-20 11:37:29,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:37:29,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:37:29,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:37:29,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:37:29,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:29" (1/1) ... [2022-11-20 11:37:29,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:37:29,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:37:29,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:37:30,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:37:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:37:30,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:37:30,154 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:37:30,160 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:37:30,624 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:37:30,632 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:37:30,632 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:37:30,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:30 BoogieIcfgContainer [2022-11-20 11:37:30,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:37:30,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:37:30,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:37:30,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:37:30,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:37:29" (1/3) ... [2022-11-20 11:37:30,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f120373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:30, skipping insertion in model container [2022-11-20 11:37:30,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:29" (2/3) ... [2022-11-20 11:37:30,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f120373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:30, skipping insertion in model container [2022-11-20 11:37:30,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:30" (3/3) ... [2022-11-20 11:37:30,645 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal55.c [2022-11-20 11:37:30,667 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:37:30,667 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:37:30,727 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:37:30,735 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@165a93c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:37:30,735 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:37:30,740 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) [2022-11-20 11:37:30,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 11:37:30,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:30,747 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 11:37:30,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:30,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:30,752 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 11:37:30,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:30,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53448619] [2022-11-20 11:37:30,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:30,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:37:31,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:37:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:37:31,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:37:31,386 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:37:31,388 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:37:31,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:37:31,395 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 11:37:31,399 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:37:31,418 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 11:37:31,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:37:31 BoogieIcfgContainer [2022-11-20 11:37:31,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:37:31,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:37:31,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:37:31,437 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:37:31,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:30" (3/4) ... [2022-11-20 11:37:31,441 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:37:31,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:37:31,443 INFO L158 Benchmark]: Toolchain (without parser) took 1892.18ms. Allocated memory is still 161.5MB. Free memory was 129.8MB in the beginning and 113.2MB in the end (delta: 16.7MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-11-20 11:37:31,443 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 161.5MB. Free memory was 130.8MB in the beginning and 130.8MB in the end (delta: 80.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:37:31,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.45ms. Allocated memory is still 161.5MB. Free memory was 129.6MB in the beginning and 116.2MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 11:37:31,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.59ms. Allocated memory is still 161.5MB. Free memory was 116.2MB in the beginning and 113.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:37:31,445 INFO L158 Benchmark]: Boogie Preprocessor took 31.36ms. Allocated memory is still 161.5MB. Free memory was 113.7MB in the beginning and 112.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:37:31,446 INFO L158 Benchmark]: RCFGBuilder took 672.92ms. Allocated memory is still 161.5MB. Free memory was 112.0MB in the beginning and 77.7MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-20 11:37:31,447 INFO L158 Benchmark]: TraceAbstraction took 796.25ms. Allocated memory is still 161.5MB. Free memory was 77.1MB in the beginning and 113.9MB in the end (delta: -36.8MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2022-11-20 11:37:31,447 INFO L158 Benchmark]: Witness Printer took 7.04ms. Allocated memory is still 161.5MB. Free memory was 113.9MB in the beginning and 113.2MB in the end (delta: 756.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:37:31,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 161.5MB. Free memory was 130.8MB in the beginning and 130.8MB in the end (delta: 80.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.45ms. Allocated memory is still 161.5MB. Free memory was 129.6MB in the beginning and 116.2MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.59ms. Allocated memory is still 161.5MB. Free memory was 116.2MB in the beginning and 113.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.36ms. Allocated memory is still 161.5MB. Free memory was 113.7MB in the beginning and 112.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.92ms. Allocated memory is still 161.5MB. Free memory was 112.0MB in the beginning and 77.7MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 796.25ms. Allocated memory is still 161.5MB. Free memory was 77.1MB in the beginning and 113.9MB in the end (delta: -36.8MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Witness Printer took 7.04ms. Allocated memory is still 161.5MB. Free memory was 113.9MB in the beginning and 113.2MB in the end (delta: 756.9kB). There was no memory consumed. Max. memory is 16.1GB. * 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: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 77, overapproximation of bitwiseOr at line 93, overapproximation of bitwiseAnd at line 65. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L31] const SORT_26 mask_SORT_26 = (SORT_26)-1 >> (sizeof(SORT_26) * 8 - 2); [L32] const SORT_26 msb_SORT_26 = (SORT_26)1 << (2 - 1); [L34] const SORT_1 var_11 = 0; [L35] const SORT_5 var_15 = 0; [L36] const SORT_5 var_21 = 5; [L37] const SORT_5 var_23 = 4; [L38] const SORT_1 var_39 = 1; [L40] SORT_1 input_2; [L41] SORT_1 input_3; [L42] SORT_1 input_4; [L43] SORT_5 input_6; [L44] SORT_5 input_7; [L45] SORT_1 input_8; [L46] SORT_5 input_9; [L47] SORT_5 input_10; [L49] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] SORT_5 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L54] SORT_1 init_13_arg_1 = var_11; [L55] state_12 = init_13_arg_1 [L56] SORT_5 init_17_arg_1 = var_15; [L57] state_16 = init_17_arg_1 [L58] SORT_1 init_19_arg_1 = var_11; [L59] state_18 = init_19_arg_1 [L60] SORT_5 init_30_arg_1 = var_15; [L61] state_29 = init_30_arg_1 VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_15=0, var_21=5, var_23=4, var_39=1] [L64] input_2 = __VERIFIER_nondet_uchar() [L65] input_2 = input_2 & mask_SORT_1 [L66] input_3 = __VERIFIER_nondet_uchar() [L67] input_3 = input_3 & mask_SORT_1 [L68] input_4 = __VERIFIER_nondet_uchar() [L69] input_6 = __VERIFIER_nondet_uchar() [L70] input_7 = __VERIFIER_nondet_uchar() [L71] input_8 = __VERIFIER_nondet_uchar() [L72] input_9 = __VERIFIER_nondet_uchar() [L73] input_10 = __VERIFIER_nondet_uchar() [L76] SORT_1 var_14_arg_0 = state_12; [L77] SORT_1 var_14 = ~var_14_arg_0; [L78] SORT_1 var_20_arg_0 = state_18; [L79] SORT_5 var_20_arg_1 = state_16; [L80] SORT_5 var_20_arg_2 = input_7; [L81] SORT_5 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L82] var_20 = var_20 & mask_SORT_5 [L83] SORT_5 var_24_arg_0 = var_20; [L84] SORT_5 var_24_arg_1 = var_23; [L85] SORT_1 var_24 = var_24_arg_0 == var_24_arg_1; [L86] SORT_1 var_25_arg_0 = var_24; [L87] SORT_1 var_25 = ~var_25_arg_0; [L88] SORT_5 var_22_arg_0 = var_20; [L89] SORT_5 var_22_arg_1 = var_21; [L90] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L91] SORT_1 var_27_arg_0 = var_25; [L92] SORT_1 var_27_arg_1 = var_22; [L93] SORT_26 var_27 = ((SORT_26)var_27_arg_0 << 1) | var_27_arg_1; [L94] var_27 = var_27 & mask_SORT_26 [L95] SORT_26 var_28_arg_0 = var_27; [L96] SORT_1 var_28 = var_28_arg_0 == mask_SORT_26; [L97] SORT_1 var_31_arg_0 = state_18; [L98] SORT_5 var_31_arg_1 = state_29; [L99] SORT_5 var_31_arg_2 = input_7; [L100] SORT_5 var_31 = var_31_arg_0 ? var_31_arg_1 : var_31_arg_2; [L101] var_31 = var_31 & mask_SORT_5 [L102] SORT_5 var_32_arg_0 = var_31; [L103] SORT_5 var_32_arg_1 = var_21; [L104] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L105] SORT_1 var_33_arg_0 = var_25; [L106] SORT_1 var_33_arg_1 = var_32; [L107] SORT_26 var_33 = ((SORT_26)var_33_arg_0 << 1) | var_33_arg_1; [L108] var_33 = var_33 & mask_SORT_26 [L109] SORT_26 var_34_arg_0 = var_33; [L110] SORT_1 var_34 = var_34_arg_0 == mask_SORT_26; [L111] SORT_1 var_35_arg_0 = var_28; [L112] SORT_1 var_35_arg_1 = var_34; [L113] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L114] SORT_1 var_36_arg_0 = var_14; [L115] SORT_1 var_36_arg_1 = var_35; [L116] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L117] SORT_1 var_40_arg_0 = var_36; [L118] SORT_1 var_40 = ~var_40_arg_0; [L119] SORT_1 var_41_arg_0 = var_39; [L120] SORT_1 var_41_arg_1 = var_40; [L121] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L122] var_41 = var_41 & mask_SORT_1 [L123] SORT_1 bad_42_arg_0 = var_41; [L124] CALL __VERIFIER_assert(!(bad_42_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 [2022-11-20 11:37:31,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN --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 64bit --witnessprinter.graph.data.programhash 08891daee860d4f5c8b9eb372c77be9c8f68c10ee67e3866dfab61bc12575d92 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:37:33,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:37:33,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:37:34,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:37:34,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:37:34,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:37:34,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:37:34,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:37:34,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:37:34,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:37:34,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:37:34,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:37:34,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:37:34,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:37:34,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:37:34,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:37:34,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:37:34,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:37:34,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:37:34,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:37:34,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:37:34,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:37:34,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:37:34,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:37:34,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:37:34,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:37:34,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:37:34,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:37:34,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:37:34,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:37:34,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:37:34,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:37:34,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:37:34,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:37:34,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:37:34,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:37:34,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:37:34,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:37:34,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:37:34,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:37:34,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:37:34,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:37:34,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:37:34,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:37:34,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:37:34,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:37:34,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:37:34,142 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:37:34,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:37:34,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:37:34,144 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:37:34,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:37:34,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:37:34,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:37:34,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:37:34,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:37:34,146 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:37:34,146 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:37:34,147 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:37:34,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:37:34,147 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:37:34,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:37:34,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:37:34,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:37:34,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:37:34,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:37:34,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:37:34,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:37:34,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:37:34,149 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:37:34,149 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:37:34,150 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:37:34,150 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:37:34,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:37:34,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:37:34,151 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_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08891daee860d4f5c8b9eb372c77be9c8f68c10ee67e3866dfab61bc12575d92 [2022-11-20 11:37:34,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:37:34,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:37:34,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:37:34,527 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:37:34,530 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:37:34,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c [2022-11-20 11:37:37,635 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:37:37,875 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:37:37,875 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c [2022-11-20 11:37:37,884 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/data/93a240e69/e81ce40d65014d86b5fbc91894563c93/FLAG3fe5c99ce [2022-11-20 11:37:37,907 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/data/93a240e69/e81ce40d65014d86b5fbc91894563c93 [2022-11-20 11:37:37,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:37:37,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:37:37,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:37:37,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:37:37,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:37:37,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:37" (1/1) ... [2022-11-20 11:37:37,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49fb21f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:37, skipping insertion in model container [2022-11-20 11:37:37,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:37" (1/1) ... [2022-11-20 11:37:37,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:37:37,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:37:38,110 WARN L237 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_a7a439b4-ac0e-4bde-943b-345d09627112/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c[1107,1120] [2022-11-20 11:37:38,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:37:38,210 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:37:38,223 WARN L237 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_a7a439b4-ac0e-4bde-943b-345d09627112/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal55.c[1107,1120] [2022-11-20 11:37:38,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:37:38,306 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:37:38,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:38 WrapperNode [2022-11-20 11:37:38,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:37:38,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:37:38,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:37:38,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:37:38,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:38" (1/1) ... [2022-11-20 11:37:38,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:38" (1/1) ... [2022-11-20 11:37:38,387 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 178 [2022-11-20 11:37:38,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:37:38,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:37:38,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:37:38,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:37:38,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:38" (1/1) ... [2022-11-20 11:37:38,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:38" (1/1) ... [2022-11-20 11:37:38,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:38" (1/1) ... [2022-11-20 11:37:38,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:38" (1/1) ... [2022-11-20 11:37:38,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:38" (1/1) ... [2022-11-20 11:37:38,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:38" (1/1) ... [2022-11-20 11:37:38,441 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:38" (1/1) ... [2022-11-20 11:37:38,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:38" (1/1) ... [2022-11-20 11:37:38,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:37:38,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:37:38,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:37:38,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:37:38,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:38" (1/1) ... [2022-11-20 11:37:38,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:37:38,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:37:38,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:37:38,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:37:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:37:38,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:37:38,700 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:37:38,716 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:37:39,086 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:37:39,093 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:37:39,093 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:37:39,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:39 BoogieIcfgContainer [2022-11-20 11:37:39,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:37:39,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:37:39,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:37:39,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:37:39,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:37:37" (1/3) ... [2022-11-20 11:37:39,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be4ea0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:39, skipping insertion in model container [2022-11-20 11:37:39,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:38" (2/3) ... [2022-11-20 11:37:39,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be4ea0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:39, skipping insertion in model container [2022-11-20 11:37:39,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:39" (3/3) ... [2022-11-20 11:37:39,115 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal55.c [2022-11-20 11:37:39,135 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:37:39,135 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:37:39,184 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:37:39,194 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4791c326, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:37:39,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:37:39,199 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) [2022-11-20 11:37:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 11:37:39,205 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:39,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 11:37:39,207 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:39,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:39,213 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 11:37:39,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:37:39,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398844366] [2022-11-20 11:37:39,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:39,227 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:37:39,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:37:39,234 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:37:39,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 11:37:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:39,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 11:37:39,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:37:39,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:37:39,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:37:39,630 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:37:39,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398844366] [2022-11-20 11:37:39,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398844366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:39,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:37:39,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:37:39,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635417392] [2022-11-20 11:37:39,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:39,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:37:39,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:37:39,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:37:39,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:37:39,689 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-20 11:37:39,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:39,793 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-20 11:37:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:37:39,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2022-11-20 11:37:39,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:39,808 INFO L225 Difference]: With dead ends: 20 [2022-11-20 11:37:39,809 INFO L226 Difference]: Without dead ends: 11 [2022-11-20 11:37:39,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:37:39,816 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:37:39,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:37:39,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-20 11:37:39,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-20 11:37:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-11-20 11:37:39,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-20 11:37:39,847 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-20 11:37:39,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:39,847 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-20 11:37:39,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-20 11:37:39,848 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-20 11:37:39,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 11:37:39,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:39,848 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-20 11:37:39,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-20 11:37:40,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:37:40,050 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:40,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:40,050 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-20 11:37:40,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:37:40,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156074614] [2022-11-20 11:37:40,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:40,052 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:37:40,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:37:40,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:37:40,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 11:37:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:40,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-20 11:37:40,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:37:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:37:40,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:37:44,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:37:44,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:37:44,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156074614] [2022-11-20 11:37:44,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156074614] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:37:44,690 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:37:44,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 11:37:44,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876144071] [2022-11-20 11:37:44,690 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:37:44,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:37:44,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:37:44,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:37:44,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:37:44,693 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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) [2022-11-20 11:37:44,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:44,804 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-20 11:37:44,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:37:44,805 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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) Word has length 8 [2022-11-20 11:37:44,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:44,805 INFO L225 Difference]: With dead ends: 16 [2022-11-20 11:37:44,806 INFO L226 Difference]: Without dead ends: 14 [2022-11-20 11:37:44,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:37:44,807 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:37:44,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 22 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 10 Unchecked, 0.1s Time] [2022-11-20 11:37:44,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-20 11:37:44,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-20 11:37:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:37:44,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 11:37:44,825 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-20 11:37:44,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:44,825 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-20 11:37:44,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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) [2022-11-20 11:37:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 11:37:44,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 11:37:44,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:44,826 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-20 11:37:44,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:37:45,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:37:45,027 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:45,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:45,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-20 11:37:45,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:37:45,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1716229553] [2022-11-20 11:37:45,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:37:45,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:37:45,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:37:45,031 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:37:45,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 11:37:45,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 11:37:45,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:37:45,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 118 conjunts are in the unsatisfiable core [2022-11-20 11:37:45,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:37:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:37:47,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:38:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:38:17,102 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:38:17,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1716229553] [2022-11-20 11:38:17,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1716229553] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:38:17,103 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:38:17,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-20 11:38:17,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503317828] [2022-11-20 11:38:17,104 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:38:17,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 11:38:17,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:38:17,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 11:38:17,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:38:17,106 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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) [2022-11-20 11:38:17,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:38:17,319 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-20 11:38:17,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 11:38:17,320 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-20 11:38:17,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:38:17,320 INFO L225 Difference]: With dead ends: 19 [2022-11-20 11:38:17,321 INFO L226 Difference]: Without dead ends: 17 [2022-11-20 11:38:17,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-11-20 11:38:17,323 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:38:17,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 30 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 31 Unchecked, 0.1s Time] [2022-11-20 11:38:17,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-20 11:38:17,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-20 11:38:17,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2022-11-20 11:38:17,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-20 11:38:17,329 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-20 11:38:17,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:38:17,329 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-20 11:38:17,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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) [2022-11-20 11:38:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-20 11:38:17,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 11:38:17,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:38:17,330 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-20 11:38:17,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:38:17,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:17,531 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:38:17,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:38:17,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-20 11:38:17,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:38:17,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1339128733] [2022-11-20 11:38:17,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 11:38:17,537 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:38:17,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:38:17,538 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:38:17,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 11:38:17,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 11:38:17,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:38:17,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 143 conjunts are in the unsatisfiable core [2022-11-20 11:38:17,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:38:21,709 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 11:38:21,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:38:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 11:38:59,679 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:38:59,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1339128733] [2022-11-20 11:38:59,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1339128733] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:38:59,680 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:38:59,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-20 11:38:59,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588087153] [2022-11-20 11:38:59,680 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:38:59,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 11:38:59,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:38:59,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 11:38:59,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-11-20 11:38:59,682 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2022-11-20 11:39:00,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:39:00,424 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-11-20 11:39:00,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:39:00,424 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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 14 [2022-11-20 11:39:00,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:39:00,425 INFO L225 Difference]: With dead ends: 15 [2022-11-20 11:39:00,425 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 11:39:00,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2022-11-20 11:39:00,426 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 7 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:39:00,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 16 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 24 Unchecked, 0.0s Time] [2022-11-20 11:39:00,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 11:39:00,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 11:39:00,428 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) [2022-11-20 11:39:00,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 11:39:00,429 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-20 11:39:00,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:39:00,429 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:39:00,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2022-11-20 11:39:00,430 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:39:00,430 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 11:39:00,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:39:00,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-11-20 11:39:00,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:39:00,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 11:39:01,088 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 11:39:01,089 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 62 190) the Hoare annotation is: (let ((.cse8 (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)))) (.cse16 (= ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) |ULTIMATE.start_main_~state_18~0#1|)) (.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= (_ bv1 8) |ULTIMATE.start_main_~var_39~0#1|)) (.cse2 (= (_ bv4 8) |ULTIMATE.start_main_~var_23~0#1|)) (.cse3 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse15 (= |ULTIMATE.start_main_~var_39~0#1| |ULTIMATE.start_main_~state_12~0#1|)) (.cse4 (= |ULTIMATE.start_main_~mask_SORT_26~0#1| (_ bv3 8))) (.cse5 (= |ULTIMATE.start_main_~var_15~0#1| (_ bv0 8))) (.cse6 (= |ULTIMATE.start_main_~var_21~0#1| (_ bv5 8))) (.cse7 (= |ULTIMATE.start_main_~var_11~0#1| (_ bv0 8)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~state_12~0#1|) .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse1 .cse2 .cse3 (let ((.cse10 ((_ zero_extend 24) |ULTIMATE.start_main_~var_21~0#1|)) (.cse11 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_5~0#1|))) (or (and (exists ((|ULTIMATE.start_main_~var_31_arg_1~0#1| (_ BitVec 8))) (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_31_arg_1~0#1|)))))))) (and (= .cse9 .cse10) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse9))))) |ULTIMATE.start_main_~state_29~0#1|)))) (exists ((|ULTIMATE.start_main_~var_20_arg_2~0#1| (_ BitVec 8))) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_20_arg_2~0#1|)))))))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse12))))) |ULTIMATE.start_main_~state_16~0#1|) (= ((_ zero_extend 24) |ULTIMATE.start_main_~var_23~0#1|) .cse12))))) (and (exists ((|ULTIMATE.start_main_~var_31_arg_1~0#1| (_ BitVec 8))) (let ((.cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_31_arg_1~0#1|)))))))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse13))))) |ULTIMATE.start_main_~state_29~0#1|) (not (= .cse13 .cse10))))) (exists ((|ULTIMATE.start_main_~var_20_arg_2~0#1| (_ BitVec 8))) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_20_arg_2~0#1|)))))))) (and (not (= .cse10 .cse14)) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse14))))) |ULTIMATE.start_main_~state_16~0#1|))))))) .cse15 .cse16 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse1 .cse2 (exists ((|ULTIMATE.start_main_~var_48_arg_1~0#1| (_ BitVec 8))) (let ((.cse17 ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_48_arg_1~0#1|)))))))))))) (and (= .cse17 |ULTIMATE.start_main_~state_29~0#1|) (= .cse17 |ULTIMATE.start_main_~state_16~0#1|)))) .cse3 .cse15 .cse16 .cse4 .cse5 .cse6 .cse7) (and .cse0 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1 .cse2 .cse3 .cse15 (= (_ bv0 8) |ULTIMATE.start_main_~state_18~0#1|) .cse4 .cse5 .cse6 .cse7))) [2022-11-20 11:39:01,090 INFO L899 garLoopResultBuilder]: For program point L62-3(lines 62 190) no Hoare annotation was computed. [2022-11-20 11:39:01,090 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 11:39:01,090 INFO L895 garLoopResultBuilder]: At program point L191(lines 22 192) the Hoare annotation is: false [2022-11-20 11:39:01,090 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 11:39:01,090 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 11:39:01,091 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-20 11:39:01,091 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-20 11:39:01,091 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-20 11:39:01,091 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-20 11:39:01,095 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-20 11:39:01,097 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:39:01,106 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,107 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,108 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,108 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,108 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,109 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,109 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,109 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,110 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,110 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,117 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,118 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,118 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,118 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,119 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,119 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,119 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,120 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,120 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,120 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:39:01 BoogieIcfgContainer [2022-11-20 11:39:01,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:39:01,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:39:01,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:39:01,125 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:39:01,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:39" (3/4) ... [2022-11-20 11:39:01,128 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:39:01,139 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 11:39:01,140 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 11:39:01,140 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:39:01,165 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1bv8 == mask_SORT_1 && 1bv8 == var_39) && 4bv8 == var_23) && 7bv8 == mask_SORT_5) && var_11 == state_12) && mask_SORT_26 == 3bv8) && var_15 == 0bv8) && var_21 == 5bv8) && var_11 == 0bv8) || (((((((((((1bv8 == mask_SORT_1 && !(cond == 0bv32)) && 1bv8 == var_39) && 4bv8 == var_23) && 7bv8 == mask_SORT_5) && (((\exists ULTIMATE.start_main_~var_31_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0]) == ~zero_extendFrom8To32(var_21) && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_29) && (\exists ULTIMATE.start_main_~var_20_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_16 && ~zero_extendFrom8To32(var_23) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0]))) || ((\exists ULTIMATE.start_main_~var_31_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_29 && !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0]) == ~zero_extendFrom8To32(var_21))) && (\exists ULTIMATE.start_main_~var_20_arg_2~0#1 : bv8 :: !(~zero_extendFrom8To32(var_21) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])) && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_16)))) && var_39 == state_12) && ~bvand32(1bv32, ~zero_extendFrom8To32(mask_SORT_1))[7:0] == state_18) && mask_SORT_26 == 3bv8) && var_15 == 0bv8) && var_21 == 5bv8) && var_11 == 0bv8)) || (((((((((((1bv8 == mask_SORT_1 && !(cond == 0bv32)) && 1bv8 == var_39) && 4bv8 == var_23) && (\exists ULTIMATE.start_main_~var_48_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_48_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_29 && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_48_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_16)) && 7bv8 == mask_SORT_5) && var_39 == state_12) && ~bvand32(1bv32, ~zero_extendFrom8To32(mask_SORT_1))[7:0] == state_18) && mask_SORT_26 == 3bv8) && var_15 == 0bv8) && var_21 == 5bv8) && var_11 == 0bv8)) || ((((((((((1bv8 == mask_SORT_1 && cond == 1bv32) && 1bv8 == var_39) && 4bv8 == var_23) && 7bv8 == mask_SORT_5) && var_39 == state_12) && 0bv8 == state_18) && mask_SORT_26 == 3bv8) && var_15 == 0bv8) && var_21 == 5bv8) && var_11 == 0bv8) [2022-11-20 11:39:01,186 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:39:01,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:39:01,187 INFO L158 Benchmark]: Toolchain (without parser) took 83272.75ms. Allocated memory was 86.0MB in the beginning and 383.8MB in the end (delta: 297.8MB). Free memory was 64.2MB in the beginning and 176.6MB in the end (delta: -112.4MB). Peak memory consumption was 187.5MB. Max. memory is 16.1GB. [2022-11-20 11:39:01,187 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:39:01,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.60ms. Allocated memory is still 86.0MB. Free memory was 63.9MB in the beginning and 50.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:39:01,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.37ms. Allocated memory is still 86.0MB. Free memory was 50.5MB in the beginning and 48.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:39:01,188 INFO L158 Benchmark]: Boogie Preprocessor took 67.81ms. Allocated memory is still 86.0MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:39:01,188 INFO L158 Benchmark]: RCFGBuilder took 639.19ms. Allocated memory is still 86.0MB. Free memory was 46.4MB in the beginning and 53.4MB in the end (delta: -7.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-11-20 11:39:01,189 INFO L158 Benchmark]: TraceAbstraction took 82026.15ms. Allocated memory was 86.0MB in the beginning and 383.8MB in the end (delta: 297.8MB). Free memory was 52.5MB in the beginning and 180.8MB in the end (delta: -128.3MB). Peak memory consumption was 170.4MB. Max. memory is 16.1GB. [2022-11-20 11:39:01,189 INFO L158 Benchmark]: Witness Printer took 61.62ms. Allocated memory is still 383.8MB. Free memory was 180.8MB in the beginning and 176.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:39:01,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.60ms. Allocated memory is still 86.0MB. Free memory was 63.9MB in the beginning and 50.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.37ms. Allocated memory is still 86.0MB. Free memory was 50.5MB in the beginning and 48.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.81ms. Allocated memory is still 86.0MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 639.19ms. Allocated memory is still 86.0MB. Free memory was 46.4MB in the beginning and 53.4MB in the end (delta: -7.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * TraceAbstraction took 82026.15ms. Allocated memory was 86.0MB in the beginning and 383.8MB in the end (delta: 297.8MB). Free memory was 52.5MB in the beginning and 180.8MB in the end (delta: -128.3MB). Peak memory consumption was 170.4MB. Max. memory is 16.1GB. * Witness Printer took 61.62ms. Allocated memory is still 383.8MB. Free memory was 180.8MB in the beginning and 176.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] * 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: 20]: 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: 81.9s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 65 IncrementalHoareTripleChecker+Unchecked, 65 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 16 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 23.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 31, 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, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 295 HoareAnnotationTreeSize, 2 FomulaSimplifications, 191 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 41 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 78.6s InterpolantComputationTime, 38 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 64 ConstructedInterpolants, 27 QuantifiedInterpolants, 14536 SizeOfPredicates, 367 NumberOfNonLiveVariables, 878 ConjunctsInSsa, 332 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 16/48 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: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant [2022-11-20 11:39:01,201 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,201 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,201 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,202 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,202 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,202 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,203 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,203 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,203 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,203 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,205 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,205 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,206 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,206 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,206 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,207 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,207 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,207 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 11:39:01,207 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-20 11:39:01,208 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] Derived loop invariant: ((((((((((1bv8 == mask_SORT_1 && 1bv8 == var_39) && 4bv8 == var_23) && 7bv8 == mask_SORT_5) && var_11 == state_12) && mask_SORT_26 == 3bv8) && var_15 == 0bv8) && var_21 == 5bv8) && var_11 == 0bv8) || (((((((((((1bv8 == mask_SORT_1 && !(cond == 0bv32)) && 1bv8 == var_39) && 4bv8 == var_23) && 7bv8 == mask_SORT_5) && (((\exists ULTIMATE.start_main_~var_31_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0]) == ~zero_extendFrom8To32(var_21) && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_29) && (\exists ULTIMATE.start_main_~var_20_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_16 && ~zero_extendFrom8To32(var_23) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0]))) || ((\exists ULTIMATE.start_main_~var_31_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_29 && !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0]) == ~zero_extendFrom8To32(var_21))) && (\exists ULTIMATE.start_main_~var_20_arg_2~0#1 : bv8 :: !(~zero_extendFrom8To32(var_21) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])) && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_16)))) && var_39 == state_12) && ~bvand32(1bv32, ~zero_extendFrom8To32(mask_SORT_1))[7:0] == state_18) && mask_SORT_26 == 3bv8) && var_15 == 0bv8) && var_21 == 5bv8) && var_11 == 0bv8)) || (((((((((((1bv8 == mask_SORT_1 && !(cond == 0bv32)) && 1bv8 == var_39) && 4bv8 == var_23) && (\exists ULTIMATE.start_main_~var_48_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_48_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_29 && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_48_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_16)) && 7bv8 == mask_SORT_5) && var_39 == state_12) && ~bvand32(1bv32, ~zero_extendFrom8To32(mask_SORT_1))[7:0] == state_18) && mask_SORT_26 == 3bv8) && var_15 == 0bv8) && var_21 == 5bv8) && var_11 == 0bv8)) || ((((((((((1bv8 == mask_SORT_1 && cond == 1bv32) && 1bv8 == var_39) && 4bv8 == var_23) && 7bv8 == mask_SORT_5) && var_39 == state_12) && 0bv8 == state_18) && mask_SORT_26 == 3bv8) && var_15 == 0bv8) && var_21 == 5bv8) && var_11 == 0bv8) RESULT: Ultimate proved your program to be correct! [2022-11-20 11:39:01,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7a439b4-ac0e-4bde-943b-345d09627112/bin/uautomizer-ug76WZFUDN/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