./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3786d6dd019b10ee98e98af4f9566fe5a85e71805e405bd247351b2a52bbee7f --- 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-4e7fbc6 [2022-11-23 13:54:34,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:54:34,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:54:34,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:54:34,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:54:34,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:54:34,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:54:34,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:54:34,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:54:34,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:54:34,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:54:34,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:54:34,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:54:34,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:54:34,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:54:34,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:54:34,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:54:34,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:54:34,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:54:34,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:54:34,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:54:34,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:54:34,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:54:34,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:54:34,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:54:34,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:54:34,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:54:34,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:54:34,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:54:34,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:54:34,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:54:34,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:54:34,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:54:34,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:54:34,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:54:34,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:54:34,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:54:34,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:54:34,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:54:34,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:54:34,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:54:34,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 13:54:34,774 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:54:34,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:54:34,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:54:34,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:54:34,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:54:34,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:54:34,776 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:54:34,777 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:54:34,777 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:54:34,777 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:54:34,777 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:54:34,777 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:54:34,778 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:54:34,778 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:54:34,778 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:54:34,779 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:54:34,779 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:54:34,779 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:54:34,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:54:34,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:54:34,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:54:34,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:54:34,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:54:34,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:54:34,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:54:34,781 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:54:34,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:54:34,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:54:34,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:54:34,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:54:34,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:54:34,783 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:54:34,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:54:34,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:54:34,784 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:54:34,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:54:34,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:54:34,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:54:34,785 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_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3786d6dd019b10ee98e98af4f9566fe5a85e71805e405bd247351b2a52bbee7f [2022-11-23 13:54:35,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:54:35,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:54:35,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:54:35,032 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:54:35,032 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:54:35,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c [2022-11-23 13:54:38,077 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:54:38,585 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:54:38,585 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c [2022-11-23 13:54:38,607 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/data/de83b7293/b28f1318f8784a0990f471d9e271c96a/FLAG0b6d8254e [2022-11-23 13:54:38,622 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/data/de83b7293/b28f1318f8784a0990f471d9e271c96a [2022-11-23 13:54:38,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:54:38,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:54:38,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:54:38,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:54:38,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:54:38,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:54:38" (1/1) ... [2022-11-23 13:54:38,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55096a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:38, skipping insertion in model container [2022-11-23 13:54:38,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:54:38" (1/1) ... [2022-11-23 13:54:38,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:54:38,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:54:38,918 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_84ea7d76-6cd9-4889-af36-aad7a9376849/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c[1107,1120] [2022-11-23 13:54:39,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:54:39,373 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:54:39,384 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_84ea7d76-6cd9-4889-af36-aad7a9376849/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c[1107,1120] [2022-11-23 13:54:39,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:54:39,630 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:54:39,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:39 WrapperNode [2022-11-23 13:54:39,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:54:39,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:54:39,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:54:39,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:54:39,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:39" (1/1) ... [2022-11-23 13:54:39,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:39" (1/1) ... [2022-11-23 13:54:39,822 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2643 [2022-11-23 13:54:39,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:54:39,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:54:39,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:54:39,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:54:39,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:39" (1/1) ... [2022-11-23 13:54:39,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:39" (1/1) ... [2022-11-23 13:54:39,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:39" (1/1) ... [2022-11-23 13:54:39,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:39" (1/1) ... [2022-11-23 13:54:39,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:39" (1/1) ... [2022-11-23 13:54:39,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:39" (1/1) ... [2022-11-23 13:54:39,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:39" (1/1) ... [2022-11-23 13:54:39,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:39" (1/1) ... [2022-11-23 13:54:39,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:54:39,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:54:39,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:54:39,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:54:39,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:39" (1/1) ... [2022-11-23 13:54:40,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:54:40,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:54:40,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:54:40,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:54:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:54:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:54:40,688 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:54:40,691 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:56:50,374 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:56:50,437 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:56:50,439 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 13:56:50,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:56:50 BoogieIcfgContainer [2022-11-23 13:56:50,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:56:50,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:56:50,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:56:50,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:56:50,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:54:38" (1/3) ... [2022-11-23 13:56:50,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209c28d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:56:50, skipping insertion in model container [2022-11-23 13:56:50,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:39" (2/3) ... [2022-11-23 13:56:50,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209c28d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:56:50, skipping insertion in model container [2022-11-23 13:56:50,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:56:50" (3/3) ... [2022-11-23 13:56:50,467 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.pj_icu.c [2022-11-23 13:56:50,500 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:56:50,500 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 13:56:50,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:56:50,575 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=FINITE_AUTOMATA, 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;@7e2d3ae2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:56:50,576 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 13:56:50,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:56:50,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 13:56:50,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:56:50,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 13:56:50,589 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:56:50,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:56:50,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1797488, now seen corresponding path program 1 times [2022-11-23 13:56:50,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:56:50,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186465959] [2022-11-23 13:56:50,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:56:50,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:56:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 13:56:53,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 13:56:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 13:56:55,219 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 13:56:55,222 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 13:56:55,223 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 13:56:55,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:56:55,230 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-23 13:56:55,234 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 13:56:55,279 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-23 13:56:55,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:56:55 BoogieIcfgContainer [2022-11-23 13:56:55,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 13:56:55,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 13:56:55,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 13:56:55,320 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 13:56:55,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:56:50" (3/4) ... [2022-11-23 13:56:55,325 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 13:56:55,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 13:56:55,326 INFO L158 Benchmark]: Toolchain (without parser) took 136700.54ms. Allocated memory was 188.7MB in the beginning and 947.9MB in the end (delta: 759.2MB). Free memory was 151.5MB in the beginning and 808.5MB in the end (delta: -657.0MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2022-11-23 13:56:55,327 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:56:55,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1001.92ms. Allocated memory is still 188.7MB. Free memory was 150.8MB in the beginning and 134.4MB in the end (delta: 16.5MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. [2022-11-23 13:56:55,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 190.00ms. Allocated memory is still 188.7MB. Free memory was 134.4MB in the beginning and 111.4MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 13:56:55,331 INFO L158 Benchmark]: Boogie Preprocessor took 172.90ms. Allocated memory is still 188.7MB. Free memory was 111.4MB in the beginning and 99.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 13:56:55,336 INFO L158 Benchmark]: RCFGBuilder took 130445.76ms. Allocated memory was 188.7MB in the beginning and 947.9MB in the end (delta: 759.2MB). Free memory was 99.9MB in the beginning and 877.7MB in the end (delta: -777.8MB). Peak memory consumption was 553.9MB. Max. memory is 16.1GB. [2022-11-23 13:56:55,338 INFO L158 Benchmark]: TraceAbstraction took 4869.29ms. Allocated memory is still 947.9MB. Free memory was 876.6MB in the beginning and 809.5MB in the end (delta: 67.1MB). Peak memory consumption was 572.5MB. Max. memory is 16.1GB. [2022-11-23 13:56:55,339 INFO L158 Benchmark]: Witness Printer took 6.24ms. Allocated memory is still 947.9MB. Free memory was 809.5MB in the beginning and 808.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 13:56:55,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1001.92ms. Allocated memory is still 188.7MB. Free memory was 150.8MB in the beginning and 134.4MB in the end (delta: 16.5MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 190.00ms. Allocated memory is still 188.7MB. Free memory was 134.4MB in the beginning and 111.4MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 172.90ms. Allocated memory is still 188.7MB. Free memory was 111.4MB in the beginning and 99.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 130445.76ms. Allocated memory was 188.7MB in the beginning and 947.9MB in the end (delta: 759.2MB). Free memory was 99.9MB in the beginning and 877.7MB in the end (delta: -777.8MB). Peak memory consumption was 553.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4869.29ms. Allocated memory is still 947.9MB. Free memory was 876.6MB in the beginning and 809.5MB in the end (delta: 67.1MB). Peak memory consumption was 572.5MB. Max. memory is 16.1GB. * Witness Printer took 6.24ms. Allocated memory is still 947.9MB. Free memory was 809.5MB in the beginning and 808.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 483, overapproximation of bitwiseOr at line 343, overapproximation of bitwiseAnd at line 243. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 3); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (3 - 1); [L34] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 4); [L35] const SORT_12 msb_SORT_12 = (SORT_12)1 << (4 - 1); [L37] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 8); [L38] const SORT_16 msb_SORT_16 = (SORT_16)1 << (8 - 1); [L40] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 7); [L41] const SORT_21 msb_SORT_21 = (SORT_21)1 << (7 - 1); [L43] const SORT_21 var_22 = 1; [L44] const SORT_21 var_26 = 2; [L45] const SORT_21 var_29 = 4; [L46] const SORT_21 var_32 = 8; [L47] const SORT_21 var_35 = 16; [L48] const SORT_21 var_38 = 32; [L49] const SORT_21 var_41 = 64; [L50] const SORT_21 var_44 = 0; [L51] const SORT_3 var_101 = 1; [L52] const SORT_3 var_105 = 0; [L53] const SORT_6 var_190 = 0; [L55] SORT_1 input_2; [L56] SORT_3 input_4; [L57] SORT_3 input_5; [L58] SORT_6 input_7; [L59] SORT_3 input_8; [L60] SORT_3 input_9; [L61] SORT_3 input_10; [L62] SORT_3 input_11; [L63] SORT_12 input_13; [L64] SORT_3 input_14; [L65] SORT_3 input_15; [L66] SORT_16 input_17; [L67] SORT_3 input_18; [L68] SORT_3 input_19; [L69] SORT_3 input_20; [L70] SORT_3 input_412; [L71] SORT_3 input_434; [L72] SORT_3 input_449; [L73] SORT_3 input_464; [L74] SORT_3 input_479; [L75] SORT_3 input_494; [L76] SORT_3 input_509; [L77] SORT_3 input_524; [L78] SORT_3 input_539; [L79] SORT_3 input_554; [L80] SORT_3 input_569; [L81] SORT_3 input_584; [L82] SORT_3 input_599; [L83] SORT_3 input_614; [L84] SORT_3 input_629; [L85] SORT_3 input_644; [L86] SORT_3 input_660; [L87] SORT_3 input_662; [L88] SORT_3 input_664; [L89] SORT_3 input_666; [L90] SORT_3 input_668; [L91] SORT_3 input_670; [L92] SORT_3 input_672; [L93] SORT_3 input_674; [L94] SORT_3 input_679; [L95] SORT_21 input_724; [L96] SORT_21 input_725; [L97] SORT_21 input_726; [L98] SORT_21 input_727; [L99] SORT_21 input_730; [L100] SORT_21 input_734; [L101] SORT_21 input_738; [L102] SORT_21 input_746; [L103] SORT_21 input_750; [L104] SORT_21 input_752; [L105] SORT_21 input_756; [L106] SORT_21 input_759; [L107] SORT_21 input_763; [L108] SORT_21 input_768; [L109] SORT_21 input_772; [L110] SORT_21 input_777; [L111] SORT_21 input_779; [L112] SORT_21 input_780; [L113] SORT_21 input_782; [L114] SORT_21 input_786; [L115] SORT_21 input_791; [L116] SORT_21 input_798; [L117] SORT_21 input_799; [L118] SORT_21 input_801; [L119] SORT_21 input_805; [L120] SORT_21 input_810; [L121] SORT_21 input_812; [L122] SORT_21 input_813; [L123] SORT_21 input_815; [L124] SORT_21 input_819; [L125] SORT_21 input_824; [L126] SORT_21 input_828; [L127] SORT_21 input_833; [L128] SORT_21 input_835; [L129] SORT_21 input_841; [L130] SORT_21 input_853; [L131] SORT_3 input_858; [L132] SORT_3 input_867; [L133] SORT_3 input_886; [L134] SORT_3 input_893; [L135] SORT_3 input_904; [L136] SORT_3 input_910; [L137] SORT_3 input_916; [L138] SORT_3 input_922; [L139] SORT_3 input_928; [L140] SORT_3 input_934; [L141] SORT_3 input_940; [L142] SORT_3 input_946; [L143] SORT_3 input_952; [L144] SORT_3 input_958; [L145] SORT_3 input_964; [L146] SORT_3 input_970; [L147] SORT_3 input_976; [L149] SORT_21 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L150] SORT_21 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L151] SORT_3 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L152] SORT_3 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L153] SORT_3 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L154] SORT_3 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L155] SORT_3 state_118 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L156] SORT_3 state_122 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L157] SORT_3 state_138 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L158] SORT_3 state_155 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L159] SORT_3 state_158 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L160] SORT_3 state_160 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L161] SORT_3 state_164 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L162] SORT_3 state_168 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L163] SORT_3 state_173 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L164] SORT_3 state_176 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L165] SORT_3 state_186 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L166] SORT_3 state_193 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L167] SORT_3 state_196 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L168] SORT_3 state_205 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L169] SORT_3 state_210 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L170] SORT_3 state_213 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L171] SORT_3 state_225 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L172] SORT_3 state_235 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L173] SORT_3 state_240 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L174] SORT_3 state_243 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L175] SORT_3 state_252 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L176] SORT_3 state_265 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L177] SORT_3 state_278 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L179] SORT_21 init_24_arg_1 = var_22; [L180] state_23 = init_24_arg_1 [L181] SORT_21 init_52_arg_1 = var_22; [L182] state_51 = init_52_arg_1 [L183] SORT_3 init_107_arg_1 = var_105; [L184] state_106 = init_107_arg_1 [L185] SORT_3 init_109_arg_1 = var_105; [L186] state_108 = init_109_arg_1 [L187] SORT_3 init_111_arg_1 = var_105; [L188] state_110 = init_111_arg_1 [L189] SORT_3 init_115_arg_1 = var_105; [L190] state_114 = init_115_arg_1 [L191] SORT_3 init_119_arg_1 = var_105; [L192] state_118 = init_119_arg_1 [L193] SORT_3 init_123_arg_1 = var_105; [L194] state_122 = init_123_arg_1 [L195] SORT_3 init_139_arg_1 = var_105; [L196] state_138 = init_139_arg_1 [L197] SORT_3 init_156_arg_1 = var_105; [L198] state_155 = init_156_arg_1 [L199] SORT_3 init_159_arg_1 = var_105; [L200] state_158 = init_159_arg_1 [L201] SORT_3 init_161_arg_1 = var_105; [L202] state_160 = init_161_arg_1 [L203] SORT_3 init_165_arg_1 = var_105; [L204] state_164 = init_165_arg_1 [L205] SORT_3 init_169_arg_1 = var_105; [L206] state_168 = init_169_arg_1 [L207] SORT_3 init_174_arg_1 = var_105; [L208] state_173 = init_174_arg_1 [L209] SORT_3 init_177_arg_1 = var_105; [L210] state_176 = init_177_arg_1 [L211] SORT_3 init_187_arg_1 = var_105; [L212] state_186 = init_187_arg_1 [L213] SORT_3 init_194_arg_1 = var_105; [L214] state_193 = init_194_arg_1 [L215] SORT_3 init_197_arg_1 = var_105; [L216] state_196 = init_197_arg_1 [L217] SORT_3 init_206_arg_1 = var_105; [L218] state_205 = init_206_arg_1 [L219] SORT_3 init_211_arg_1 = var_105; [L220] state_210 = init_211_arg_1 [L221] SORT_3 init_214_arg_1 = var_105; [L222] state_213 = init_214_arg_1 [L223] SORT_3 init_226_arg_1 = var_105; [L224] state_225 = init_226_arg_1 [L225] SORT_3 init_236_arg_1 = var_105; [L226] state_235 = init_236_arg_1 [L227] SORT_3 init_241_arg_1 = var_105; [L228] state_240 = init_241_arg_1 [L229] SORT_3 init_244_arg_1 = var_105; [L230] state_243 = init_244_arg_1 [L231] SORT_3 init_253_arg_1 = var_105; [L232] state_252 = init_253_arg_1 [L233] SORT_3 init_266_arg_1 = var_105; [L234] state_265 = init_266_arg_1 [L235] SORT_3 init_279_arg_1 = var_105; [L236] state_278 = init_279_arg_1 VAL [init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_115_arg_1=0, init_119_arg_1=0, init_123_arg_1=0, init_139_arg_1=0, init_156_arg_1=0, init_159_arg_1=0, init_161_arg_1=0, init_165_arg_1=0, init_169_arg_1=0, init_174_arg_1=0, init_177_arg_1=0, init_187_arg_1=0, init_194_arg_1=0, init_197_arg_1=0, init_206_arg_1=0, init_211_arg_1=0, init_214_arg_1=0, init_226_arg_1=0, init_236_arg_1=0, init_241_arg_1=0, init_244_arg_1=0, init_24_arg_1=1, init_253_arg_1=0, init_266_arg_1=0, init_279_arg_1=0, init_52_arg_1=1, mask_SORT_1=3, mask_SORT_12=15, mask_SORT_16=255, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, msb_SORT_1=2, msb_SORT_12=8, msb_SORT_16=128, msb_SORT_21=64, msb_SORT_3=1, msb_SORT_6=4, state_106=0, state_108=0, state_110=0, state_114=0, state_118=0, state_122=0, state_138=0, state_155=0, state_158=0, state_160=0, state_164=0, state_168=0, state_173=0, state_176=0, state_186=0, state_193=0, state_196=0, state_205=0, state_210=0, state_213=0, state_225=0, state_23=1, state_235=0, state_240=0, state_243=0, state_252=0, state_265=0, state_278=0, state_51=1, var_101=1, var_105=0, var_190=0, var_22=1, var_26=2, var_29=4, var_32=8, var_35=16, var_38=32, var_41=64, var_44=0] [L239] input_2 = __VERIFIER_nondet_uchar() [L240] input_4 = __VERIFIER_nondet_uchar() [L241] input_5 = __VERIFIER_nondet_uchar() [L242] input_7 = __VERIFIER_nondet_uchar() [L243] input_7 = input_7 & mask_SORT_6 [L244] input_8 = __VERIFIER_nondet_uchar() [L245] input_9 = __VERIFIER_nondet_uchar() [L246] input_10 = __VERIFIER_nondet_uchar() [L247] input_11 = __VERIFIER_nondet_uchar() [L248] input_13 = __VERIFIER_nondet_uchar() [L249] input_14 = __VERIFIER_nondet_uchar() [L250] input_15 = __VERIFIER_nondet_uchar() [L251] input_17 = __VERIFIER_nondet_uchar() [L252] input_18 = __VERIFIER_nondet_uchar() [L253] input_19 = __VERIFIER_nondet_uchar() [L254] input_20 = __VERIFIER_nondet_uchar() [L255] input_412 = __VERIFIER_nondet_uchar() [L256] input_434 = __VERIFIER_nondet_uchar() [L257] input_449 = __VERIFIER_nondet_uchar() [L258] input_464 = __VERIFIER_nondet_uchar() [L259] input_479 = __VERIFIER_nondet_uchar() [L260] input_494 = __VERIFIER_nondet_uchar() [L261] input_509 = __VERIFIER_nondet_uchar() [L262] input_524 = __VERIFIER_nondet_uchar() [L263] input_539 = __VERIFIER_nondet_uchar() [L264] input_554 = __VERIFIER_nondet_uchar() [L265] input_569 = __VERIFIER_nondet_uchar() [L266] input_584 = __VERIFIER_nondet_uchar() [L267] input_599 = __VERIFIER_nondet_uchar() [L268] input_614 = __VERIFIER_nondet_uchar() [L269] input_629 = __VERIFIER_nondet_uchar() [L270] input_644 = __VERIFIER_nondet_uchar() [L271] input_660 = __VERIFIER_nondet_uchar() [L272] input_662 = __VERIFIER_nondet_uchar() [L273] input_664 = __VERIFIER_nondet_uchar() [L274] input_666 = __VERIFIER_nondet_uchar() [L275] input_668 = __VERIFIER_nondet_uchar() [L276] input_670 = __VERIFIER_nondet_uchar() [L277] input_672 = __VERIFIER_nondet_uchar() [L278] input_674 = __VERIFIER_nondet_uchar() [L279] input_679 = __VERIFIER_nondet_uchar() [L280] input_724 = __VERIFIER_nondet_uchar() [L281] input_725 = __VERIFIER_nondet_uchar() [L282] input_726 = __VERIFIER_nondet_uchar() [L283] input_727 = __VERIFIER_nondet_uchar() [L284] input_730 = __VERIFIER_nondet_uchar() [L285] input_734 = __VERIFIER_nondet_uchar() [L286] input_738 = __VERIFIER_nondet_uchar() [L287] input_746 = __VERIFIER_nondet_uchar() [L288] input_750 = __VERIFIER_nondet_uchar() [L289] input_752 = __VERIFIER_nondet_uchar() [L290] input_756 = __VERIFIER_nondet_uchar() [L291] input_759 = __VERIFIER_nondet_uchar() [L292] input_763 = __VERIFIER_nondet_uchar() [L293] input_768 = __VERIFIER_nondet_uchar() [L294] input_772 = __VERIFIER_nondet_uchar() [L295] input_777 = __VERIFIER_nondet_uchar() [L296] input_779 = __VERIFIER_nondet_uchar() [L297] input_780 = __VERIFIER_nondet_uchar() [L298] input_782 = __VERIFIER_nondet_uchar() [L299] input_786 = __VERIFIER_nondet_uchar() [L300] input_791 = __VERIFIER_nondet_uchar() [L301] input_798 = __VERIFIER_nondet_uchar() [L302] input_799 = __VERIFIER_nondet_uchar() [L303] input_801 = __VERIFIER_nondet_uchar() [L304] input_805 = __VERIFIER_nondet_uchar() [L305] input_810 = __VERIFIER_nondet_uchar() [L306] input_812 = __VERIFIER_nondet_uchar() [L307] input_813 = __VERIFIER_nondet_uchar() [L308] input_815 = __VERIFIER_nondet_uchar() [L309] input_819 = __VERIFIER_nondet_uchar() [L310] input_824 = __VERIFIER_nondet_uchar() [L311] input_828 = __VERIFIER_nondet_uchar() [L312] input_833 = __VERIFIER_nondet_uchar() [L313] input_835 = __VERIFIER_nondet_uchar() [L314] input_841 = __VERIFIER_nondet_uchar() [L315] input_853 = __VERIFIER_nondet_uchar() [L316] input_858 = __VERIFIER_nondet_uchar() [L317] input_867 = __VERIFIER_nondet_uchar() [L318] input_886 = __VERIFIER_nondet_uchar() [L319] input_893 = __VERIFIER_nondet_uchar() [L320] input_904 = __VERIFIER_nondet_uchar() [L321] input_910 = __VERIFIER_nondet_uchar() [L322] input_916 = __VERIFIER_nondet_uchar() [L323] input_922 = __VERIFIER_nondet_uchar() [L324] input_928 = __VERIFIER_nondet_uchar() [L325] input_934 = __VERIFIER_nondet_uchar() [L326] input_940 = __VERIFIER_nondet_uchar() [L327] input_946 = __VERIFIER_nondet_uchar() [L328] input_952 = __VERIFIER_nondet_uchar() [L329] input_958 = __VERIFIER_nondet_uchar() [L330] input_964 = __VERIFIER_nondet_uchar() [L331] input_970 = __VERIFIER_nondet_uchar() [L332] input_976 = __VERIFIER_nondet_uchar() [L335] SORT_21 var_25_arg_0 = state_23; [L336] SORT_21 var_25_arg_1 = var_22; [L337] SORT_3 var_25 = var_25_arg_0 == var_25_arg_1; [L338] SORT_21 var_27_arg_0 = state_23; [L339] SORT_21 var_27_arg_1 = var_26; [L340] SORT_3 var_27 = var_27_arg_0 == var_27_arg_1; [L341] SORT_3 var_28_arg_0 = var_25; [L342] SORT_3 var_28_arg_1 = var_27; [L343] SORT_3 var_28 = var_28_arg_0 | var_28_arg_1; [L344] SORT_21 var_30_arg_0 = state_23; [L345] SORT_21 var_30_arg_1 = var_29; [L346] SORT_3 var_30 = var_30_arg_0 == var_30_arg_1; [L347] SORT_3 var_31_arg_0 = var_28; [L348] SORT_3 var_31_arg_1 = var_30; [L349] SORT_3 var_31 = var_31_arg_0 | var_31_arg_1; [L350] SORT_21 var_33_arg_0 = state_23; [L351] SORT_21 var_33_arg_1 = var_32; [L352] SORT_3 var_33 = var_33_arg_0 == var_33_arg_1; [L353] SORT_3 var_34_arg_0 = var_31; [L354] SORT_3 var_34_arg_1 = var_33; [L355] SORT_3 var_34 = var_34_arg_0 | var_34_arg_1; [L356] SORT_21 var_36_arg_0 = state_23; [L357] SORT_21 var_36_arg_1 = var_35; [L358] SORT_3 var_36 = var_36_arg_0 == var_36_arg_1; [L359] SORT_3 var_37_arg_0 = var_34; [L360] SORT_3 var_37_arg_1 = var_36; [L361] SORT_3 var_37 = var_37_arg_0 | var_37_arg_1; [L362] SORT_21 var_39_arg_0 = state_23; [L363] SORT_21 var_39_arg_1 = var_38; [L364] SORT_3 var_39 = var_39_arg_0 == var_39_arg_1; [L365] SORT_3 var_40_arg_0 = var_37; [L366] SORT_3 var_40_arg_1 = var_39; [L367] SORT_3 var_40 = var_40_arg_0 | var_40_arg_1; [L368] SORT_21 var_42_arg_0 = state_23; [L369] SORT_21 var_42_arg_1 = var_41; [L370] SORT_3 var_42 = var_42_arg_0 == var_42_arg_1; [L371] SORT_3 var_43_arg_0 = var_40; [L372] SORT_3 var_43_arg_1 = var_42; [L373] SORT_3 var_43 = var_43_arg_0 | var_43_arg_1; [L374] SORT_21 var_45_arg_0 = state_23; [L375] SORT_21 var_45_arg_1 = var_44; [L376] SORT_3 var_45 = var_45_arg_0 == var_45_arg_1; [L377] SORT_3 var_46_arg_0 = var_43; [L378] SORT_3 var_46_arg_1 = var_45; [L379] SORT_3 var_46 = var_46_arg_0 | var_46_arg_1; [L380] SORT_21 var_47_arg_0 = state_23; [L381] SORT_21 var_47_arg_1 = var_22; [L382] SORT_3 var_47 = var_47_arg_0 == var_47_arg_1; [L383] SORT_21 var_48_arg_0 = state_23; [L384] SORT_21 var_48_arg_1 = var_26; [L385] SORT_3 var_48 = var_48_arg_0 == var_48_arg_1; [L386] SORT_3 var_49_arg_0 = var_47; [L387] SORT_3 var_49_arg_1 = var_48; [L388] SORT_3 var_49 = var_49_arg_0 | var_49_arg_1; [L389] SORT_21 var_50_arg_0 = state_23; [L390] SORT_21 var_50_arg_1 = var_29; [L391] SORT_3 var_50 = var_50_arg_0 == var_50_arg_1; [L392] SORT_21 var_53_arg_0 = state_51; [L393] SORT_21 var_53_arg_1 = var_32; [L394] SORT_3 var_53 = var_53_arg_0 == var_53_arg_1; [L395] SORT_21 var_54_arg_0 = state_51; [L396] SORT_21 var_54_arg_1 = var_22; [L397] SORT_3 var_54 = var_54_arg_0 == var_54_arg_1; [L398] SORT_3 var_55_arg_0 = var_53; [L399] SORT_3 var_55_arg_1 = var_54; [L400] SORT_3 var_55 = var_55_arg_0 | var_55_arg_1; [L401] SORT_21 var_56_arg_0 = state_51; [L402] SORT_21 var_56_arg_1 = var_44; [L403] SORT_3 var_56 = var_56_arg_0 == var_56_arg_1; [L404] SORT_3 var_57_arg_0 = var_55; [L405] SORT_3 var_57_arg_1 = var_56; [L406] SORT_3 var_57 = var_57_arg_0 | var_57_arg_1; [L407] SORT_21 var_58_arg_0 = state_51; [L408] SORT_21 var_58_arg_1 = var_29; [L409] SORT_3 var_58 = var_58_arg_0 == var_58_arg_1; [L410] SORT_3 var_59_arg_0 = var_57; [L411] SORT_3 var_59_arg_1 = var_58; [L412] SORT_3 var_59 = var_59_arg_0 | var_59_arg_1; [L413] SORT_3 var_60_arg_0 = var_50; [L414] SORT_3 var_60_arg_1 = var_59; [L415] SORT_3 var_60 = var_60_arg_0 & var_60_arg_1; [L416] SORT_3 var_61_arg_0 = var_49; [L417] SORT_3 var_61_arg_1 = var_60; [L418] SORT_3 var_61 = var_61_arg_0 | var_61_arg_1; [L419] SORT_21 var_62_arg_0 = state_23; [L420] SORT_21 var_62_arg_1 = var_32; [L421] SORT_3 var_62 = var_62_arg_0 == var_62_arg_1; [L422] SORT_3 var_63_arg_0 = var_61; [L423] SORT_3 var_63_arg_1 = var_62; [L424] SORT_3 var_63 = var_63_arg_0 | var_63_arg_1; [L425] SORT_21 var_64_arg_0 = state_23; [L426] SORT_21 var_64_arg_1 = var_35; [L427] SORT_3 var_64 = var_64_arg_0 == var_64_arg_1; [L428] SORT_3 var_65_arg_0 = var_63; [L429] SORT_3 var_65_arg_1 = var_64; [L430] SORT_3 var_65 = var_65_arg_0 | var_65_arg_1; [L431] SORT_21 var_66_arg_0 = state_23; [L432] SORT_21 var_66_arg_1 = var_38; [L433] SORT_3 var_66 = var_66_arg_0 == var_66_arg_1; [L434] SORT_3 var_67_arg_0 = var_65; [L435] SORT_3 var_67_arg_1 = var_66; [L436] SORT_3 var_67 = var_67_arg_0 | var_67_arg_1; [L437] SORT_21 var_68_arg_0 = state_23; [L438] SORT_21 var_68_arg_1 = var_41; [L439] SORT_3 var_68 = var_68_arg_0 == var_68_arg_1; [L440] SORT_3 var_69_arg_0 = var_67; [L441] SORT_3 var_69_arg_1 = var_68; [L442] SORT_3 var_69 = var_69_arg_0 | var_69_arg_1; [L443] SORT_21 var_70_arg_0 = state_23; [L444] SORT_21 var_70_arg_1 = var_44; [L445] SORT_3 var_70 = var_70_arg_0 == var_70_arg_1; [L446] SORT_3 var_71_arg_0 = var_69; [L447] SORT_3 var_71_arg_1 = var_70; [L448] SORT_3 var_71 = var_71_arg_0 | var_71_arg_1; [L449] SORT_3 var_72_arg_0 = var_46; [L450] SORT_3 var_72_arg_1 = var_71; [L451] SORT_3 var_72 = var_72_arg_0 & var_72_arg_1; [L452] SORT_21 var_73_arg_0 = state_23; [L453] SORT_21 var_73_arg_1 = var_29; [L454] SORT_3 var_73 = var_73_arg_0 == var_73_arg_1; [L455] SORT_21 var_74_arg_0 = state_51; [L456] SORT_21 var_74_arg_1 = var_32; [L457] SORT_3 var_74 = var_74_arg_0 == var_74_arg_1; [L458] SORT_21 var_75_arg_0 = state_51; [L459] SORT_21 var_75_arg_1 = var_22; [L460] SORT_3 var_75 = var_75_arg_0 == var_75_arg_1; [L461] SORT_3 var_76_arg_0 = var_74; [L462] SORT_3 var_76_arg_1 = var_75; [L463] SORT_3 var_76 = var_76_arg_0 | var_76_arg_1; [L464] SORT_21 var_77_arg_0 = state_51; [L465] SORT_21 var_77_arg_1 = var_44; [L466] SORT_3 var_77 = var_77_arg_0 == var_77_arg_1; [L467] SORT_3 var_78_arg_0 = var_76; [L468] SORT_3 var_78_arg_1 = var_77; [L469] SORT_3 var_78 = var_78_arg_0 | var_78_arg_1; [L470] SORT_21 var_79_arg_0 = state_51; [L471] SORT_21 var_79_arg_1 = var_29; [L472] SORT_3 var_79 = var_79_arg_0 == var_79_arg_1; [L473] SORT_3 var_80_arg_0 = var_78; [L474] SORT_3 var_80_arg_1 = var_79; [L475] SORT_3 var_80 = var_80_arg_0 | var_80_arg_1; [L476] SORT_3 var_81_arg_0 = var_73; [L477] SORT_3 var_81_arg_1 = var_80; [L478] SORT_3 var_81 = var_81_arg_0 & var_81_arg_1; [L479] SORT_21 var_82_arg_0 = state_23; [L480] SORT_21 var_82_arg_1 = var_29; [L481] SORT_3 var_82 = var_82_arg_0 == var_82_arg_1; [L482] SORT_3 var_83_arg_0 = var_82; [L483] SORT_3 var_83 = ~var_83_arg_0; [L484] SORT_3 var_84_arg_0 = var_81; [L485] SORT_3 var_84_arg_1 = var_83; [L486] SORT_3 var_84 = var_84_arg_0 | var_84_arg_1; [L487] SORT_3 var_85_arg_0 = var_72; [L488] SORT_3 var_85_arg_1 = var_84; [L489] SORT_3 var_85 = var_85_arg_0 & var_85_arg_1; [L490] SORT_21 var_86_arg_0 = state_23; [L491] SORT_21 var_86_arg_1 = var_22; [L492] SORT_3 var_86 = var_86_arg_0 == var_86_arg_1; [L493] SORT_21 var_87_arg_0 = state_51; [L494] SORT_21 var_87_arg_1 = var_44; [L495] SORT_3 var_87 = var_87_arg_0 == var_87_arg_1; [L496] SORT_21 var_88_arg_0 = state_51; [L497] SORT_21 var_88_arg_1 = var_22; [L498] SORT_3 var_88 = var_88_arg_0 == var_88_arg_1; [L499] SORT_3 var_89_arg_0 = var_87; [L500] SORT_3 var_89_arg_1 = var_88; [L501] SORT_3 var_89 = var_89_arg_0 | var_89_arg_1; [L502] SORT_21 var_90_arg_0 = state_51; [L503] SORT_21 var_90_arg_1 = var_26; [L504] SORT_3 var_90 = var_90_arg_0 == var_90_arg_1; [L505] SORT_3 var_91_arg_0 = var_89; [L506] SORT_3 var_91_arg_1 = var_90; [L507] SORT_3 var_91 = var_91_arg_0 | var_91_arg_1; [L508] SORT_21 var_92_arg_0 = state_51; [L509] SORT_21 var_92_arg_1 = var_29; [L510] SORT_3 var_92 = var_92_arg_0 == var_92_arg_1; [L511] SORT_3 var_93_arg_0 = var_91; [L512] SORT_3 var_93_arg_1 = var_92; [L513] SORT_3 var_93 = var_93_arg_0 | var_93_arg_1; [L514] SORT_21 var_94_arg_0 = state_51; [L515] SORT_21 var_94_arg_1 = var_41; [L516] SORT_3 var_94 = var_94_arg_0 == var_94_arg_1; [L517] SORT_3 var_95_arg_0 = var_93; [L518] SORT_3 var_95_arg_1 = var_94; [L519] SORT_3 var_95 = var_95_arg_0 | var_95_arg_1; [L520] SORT_3 var_96_arg_0 = var_86; [L521] SORT_3 var_96_arg_1 = var_95; [L522] SORT_3 var_96 = var_96_arg_0 & var_96_arg_1; [L523] SORT_21 var_97_arg_0 = state_23; [L524] SORT_21 var_97_arg_1 = var_22; [L525] SORT_3 var_97 = var_97_arg_0 == var_97_arg_1; [L526] SORT_3 var_98_arg_0 = var_97; [L527] SORT_3 var_98 = ~var_98_arg_0; [L528] SORT_3 var_99_arg_0 = var_96; [L529] SORT_3 var_99_arg_1 = var_98; [L530] SORT_3 var_99 = var_99_arg_0 | var_99_arg_1; [L531] SORT_3 var_100_arg_0 = var_85; [L532] SORT_3 var_100_arg_1 = var_99; [L533] SORT_3 var_100 = var_100_arg_0 & var_100_arg_1; [L534] SORT_3 var_102_arg_0 = var_100; [L535] SORT_3 var_102 = ~var_102_arg_0; [L536] SORT_3 var_103_arg_0 = var_101; [L537] SORT_3 var_103_arg_1 = var_102; [L538] SORT_3 var_103 = var_103_arg_0 & var_103_arg_1; [L539] var_103 = var_103 & mask_SORT_3 [L540] SORT_3 bad_104_arg_0 = var_103; [L541] CALL __VERIFIER_assert(!(bad_104_arg_0)) [L20] COND TRUE !(cond) VAL [cond=0, unknown-#in~cond-unknown=0] [L20] reach_error() VAL [cond=0, unknown-#in~cond-unknown=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, 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=7occurred 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, 2.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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 [2022-11-23 13:56:55,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/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_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3786d6dd019b10ee98e98af4f9566fe5a85e71805e405bd247351b2a52bbee7f --- 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-4e7fbc6 [2022-11-23 13:56:58,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:56:58,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:56:58,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:56:58,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:56:58,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:56:58,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:56:58,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:56:58,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:56:58,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:56:58,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:56:58,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:56:58,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:56:58,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:56:58,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:56:58,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:56:58,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:56:58,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:56:58,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:56:58,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:56:58,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:56:58,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:56:58,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:56:58,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:56:58,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:56:58,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:56:58,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:56:58,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:56:58,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:56:58,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:56:58,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:56:58,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:56:58,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:56:58,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:56:58,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:56:58,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:56:58,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:56:58,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:56:58,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:56:58,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:56:58,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:56:58,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-23 13:56:58,355 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:56:58,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:56:58,357 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:56:58,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:56:58,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:56:58,359 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:56:58,359 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:56:58,360 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:56:58,360 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:56:58,360 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:56:58,361 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:56:58,361 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:56:58,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:56:58,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:56:58,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:56:58,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:56:58,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:56:58,363 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 13:56:58,364 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 13:56:58,364 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 13:56:58,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:56:58,364 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:56:58,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:56:58,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:56:58,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 13:56:58,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:56:58,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:56:58,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:56:58,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:56:58,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:56:58,367 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 13:56:58,367 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 13:56:58,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:56:58,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:56:58,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 13:56:58,368 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_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3786d6dd019b10ee98e98af4f9566fe5a85e71805e405bd247351b2a52bbee7f [2022-11-23 13:56:58,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:56:58,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:56:58,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:56:58,880 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:56:58,881 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:56:58,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c [2022-11-23 13:57:02,313 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:57:02,809 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:57:02,809 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c [2022-11-23 13:57:02,837 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/data/73228cb46/0468580856be4e7f8ac6510c6463effb/FLAG0a6f80310 [2022-11-23 13:57:02,866 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/data/73228cb46/0468580856be4e7f8ac6510c6463effb [2022-11-23 13:57:02,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:57:02,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:57:02,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:57:02,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:57:02,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:57:02,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:02" (1/1) ... [2022-11-23 13:57:02,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b61beaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:02, skipping insertion in model container [2022-11-23 13:57:02,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:02" (1/1) ... [2022-11-23 13:57:02,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:57:02,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:57:03,258 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_84ea7d76-6cd9-4889-af36-aad7a9376849/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c[1107,1120] [2022-11-23 13:57:03,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:57:03,753 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:57:03,767 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_84ea7d76-6cd9-4889-af36-aad7a9376849/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pj_icu.c[1107,1120] [2022-11-23 13:57:03,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:57:04,006 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:57:04,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:04 WrapperNode [2022-11-23 13:57:04,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:57:04,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:57:04,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:57:04,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:57:04,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:04" (1/1) ... [2022-11-23 13:57:04,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:04" (1/1) ... [2022-11-23 13:57:04,259 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2643 [2022-11-23 13:57:04,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:57:04,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:57:04,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:57:04,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:57:04,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:04" (1/1) ... [2022-11-23 13:57:04,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:04" (1/1) ... [2022-11-23 13:57:04,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:04" (1/1) ... [2022-11-23 13:57:04,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:04" (1/1) ... [2022-11-23 13:57:04,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:04" (1/1) ... [2022-11-23 13:57:04,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:04" (1/1) ... [2022-11-23 13:57:04,382 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:04" (1/1) ... [2022-11-23 13:57:04,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:04" (1/1) ... [2022-11-23 13:57:04,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:57:04,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:57:04,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:57:04,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:57:04,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:04" (1/1) ... [2022-11-23 13:57:04,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:57:04,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:57:04,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:57:04,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:57:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:57:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:57:05,341 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:57:05,343 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:57:10,011 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:57:10,017 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:57:10,018 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 13:57:10,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:10 BoogieIcfgContainer [2022-11-23 13:57:10,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:57:10,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:57:10,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:57:10,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:57:10,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:57:02" (1/3) ... [2022-11-23 13:57:10,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b84c1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:57:10, skipping insertion in model container [2022-11-23 13:57:10,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:04" (2/3) ... [2022-11-23 13:57:10,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b84c1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:57:10, skipping insertion in model container [2022-11-23 13:57:10,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:10" (3/3) ... [2022-11-23 13:57:10,031 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.pj_icu.c [2022-11-23 13:57:10,049 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:57:10,050 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 13:57:10,108 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:57:10,114 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=FINITE_AUTOMATA, 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;@1750a4a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:57:10,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 13:57:10,119 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) [2022-11-23 13:57:10,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 13:57:10,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:10,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 13:57:10,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:57:10,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:10,134 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-23 13:57:10,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:57:10,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178646661] [2022-11-23 13:57:10,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:10,151 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 [2022-11-23 13:57:10,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:57:10,158 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 13:57:10,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 13:57:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:10,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 84 conjunts are in the unsatisfiable core [2022-11-23 13:57:10,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:57:11,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:11,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:57:11,653 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:57:11,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178646661] [2022-11-23 13:57:11,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [178646661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:11,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:11,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:57:11,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080949840] [2022-11-23 13:57:11,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:11,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:57:11,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:57:11,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:57:11,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:57:11,691 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) [2022-11-23 13:57:11,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:11,994 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-23 13:57:11,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:57:11,997 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 [2022-11-23 13:57:11,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:12,004 INFO L225 Difference]: With dead ends: 20 [2022-11-23 13:57:12,005 INFO L226 Difference]: Without dead ends: 11 [2022-11-23 13:57:12,007 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 [2022-11-23 13:57:12,011 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:12,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 13:57:12,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-23 13:57:12,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-23 13:57:12,040 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) [2022-11-23 13:57:12,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-23 13:57:12,042 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-23 13:57:12,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:12,042 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-23 13:57:12,043 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) [2022-11-23 13:57:12,043 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-23 13:57:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 13:57:12,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:12,043 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:12,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/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)] Forceful destruction successful, exit code 0 [2022-11-23 13:57:12,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 13:57:12,258 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:57:12,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:12,259 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-23 13:57:12,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:57:12,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1582067416] [2022-11-23 13:57:12,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:12,263 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 [2022-11-23 13:57:12,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:57:12,299 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 13:57:12,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ea7d76-6cd9-4889-af36-aad7a9376849/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 13:57:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:13,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 2642 conjuncts, 279 conjunts are in the unsatisfiable core [2022-11-23 13:57:13,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:57:19,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:19,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 13:59:20,332 WARN L233 SmtUtils]: Spent 1.95m on a formula simplification. DAG size of input: 580 DAG size of output: 276 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)