./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba --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 5c504be096ff6459fe3a00ea41e5a422127ce98d69391112c1263223aa63206b --- 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-b5237d8 [2022-11-22 00:11:44,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:11:44,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:11:44,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:11:44,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:11:44,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:11:44,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:11:44,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:11:44,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:11:44,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:11:44,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:11:44,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:11:44,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:11:44,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:11:44,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:11:44,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:11:44,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:11:44,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:11:44,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:11:44,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:11:44,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:11:44,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:11:44,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:11:44,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:11:44,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:11:44,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:11:44,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:11:44,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:11:44,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:11:44,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:11:44,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:11:44,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:11:44,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:11:44,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:11:44,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:11:44,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:11:44,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:11:44,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:11:44,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:11:44,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:11:44,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:11:44,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 00:11:44,175 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:11:44,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:11:44,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:11:44,176 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:11:44,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:11:44,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:11:44,177 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:11:44,178 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:11:44,178 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:11:44,178 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:11:44,179 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:11:44,179 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:11:44,179 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:11:44,180 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:11:44,180 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:11:44,180 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:11:44,180 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:11:44,180 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:11:44,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:11:44,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:11:44,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:11:44,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:11:44,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:11:44,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:11:44,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:11:44,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:11:44,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:11:44,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:11:44,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:11:44,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:11:44,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:11:44,184 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:11:44,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:11:44,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:11:44,185 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:11:44,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:11:44,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:11:44,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:11:44,186 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_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c504be096ff6459fe3a00ea41e5a422127ce98d69391112c1263223aa63206b [2022-11-22 00:11:44,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:11:44,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:11:44,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:11:44,488 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:11:44,489 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:11:44,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p05.c [2022-11-22 00:11:47,521 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:11:47,777 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:11:47,778 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p05.c [2022-11-22 00:11:47,785 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/data/c6ee0f023/160bc5de0cee44de96c115059b435512/FLAGac6990c87 [2022-11-22 00:11:47,800 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/data/c6ee0f023/160bc5de0cee44de96c115059b435512 [2022-11-22 00:11:47,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:11:47,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:11:47,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:11:47,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:11:47,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:11:47,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:11:47" (1/1) ... [2022-11-22 00:11:47,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76956793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:47, skipping insertion in model container [2022-11-22 00:11:47,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:11:47" (1/1) ... [2022-11-22 00:11:47,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:11:47,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:11:47,963 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_07e2a25a-dfed-4b18-93b5-8849234c0050/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p05.c[1107,1120] [2022-11-22 00:11:48,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:11:48,010 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:11:48,023 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_07e2a25a-dfed-4b18-93b5-8849234c0050/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p05.c[1107,1120] [2022-11-22 00:11:48,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:11:48,072 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:11:48,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:48 WrapperNode [2022-11-22 00:11:48,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:11:48,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:11:48,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:11:48,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:11:48,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:48" (1/1) ... [2022-11-22 00:11:48,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:48" (1/1) ... [2022-11-22 00:11:48,108 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 143 [2022-11-22 00:11:48,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:11:48,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:11:48,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:11:48,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:11:48,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:48" (1/1) ... [2022-11-22 00:11:48,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:48" (1/1) ... [2022-11-22 00:11:48,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:48" (1/1) ... [2022-11-22 00:11:48,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:48" (1/1) ... [2022-11-22 00:11:48,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:48" (1/1) ... [2022-11-22 00:11:48,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:48" (1/1) ... [2022-11-22 00:11:48,130 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:48" (1/1) ... [2022-11-22 00:11:48,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:48" (1/1) ... [2022-11-22 00:11:48,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:11:48,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:11:48,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:11:48,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:11:48,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:48" (1/1) ... [2022-11-22 00:11:48,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:11:48,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:11:48,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:11:48,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:11:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:11:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:11:48,320 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:11:48,322 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:11:48,518 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:11:48,567 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:11:48,567 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 00:11:48,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:11:48 BoogieIcfgContainer [2022-11-22 00:11:48,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:11:48,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:11:48,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:11:48,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:11:48,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:11:47" (1/3) ... [2022-11-22 00:11:48,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:11:48, skipping insertion in model container [2022-11-22 00:11:48,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:48" (2/3) ... [2022-11-22 00:11:48,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:11:48, skipping insertion in model container [2022-11-22 00:11:48,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:11:48" (3/3) ... [2022-11-22 00:11:48,584 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p05.c [2022-11-22 00:11:48,612 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:11:48,612 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 00:11:48,658 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:11:48,664 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;@63e2e074, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:11:48,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 00:11:48,668 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) [2022-11-22 00:11:48,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 00:11:48,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:48,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 00:11:48,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:11:48,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:48,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-22 00:11:48,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:11:48,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940993629] [2022-11-22 00:11:48,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:48,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:11:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:11:48,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 00:11:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:11:48,976 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 00:11:48,985 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 00:11:48,986 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 00:11:48,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:11:48,995 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 00:11:48,999 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:11:49,020 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 00:11:49,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:11:49 BoogieIcfgContainer [2022-11-22 00:11:49,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:11:49,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:11:49,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:11:49,028 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:11:49,029 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:11:48" (3/4) ... [2022-11-22 00:11:49,031 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 00:11:49,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:11:49,033 INFO L158 Benchmark]: Toolchain (without parser) took 1228.96ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 106.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-11-22 00:11:49,033 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:11:49,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.69ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 97.8MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 00:11:49,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.43ms. Allocated memory is still 153.1MB. Free memory was 97.4MB in the beginning and 95.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:11:49,035 INFO L158 Benchmark]: Boogie Preprocessor took 24.63ms. Allocated memory is still 153.1MB. Free memory was 95.7MB in the beginning and 94.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:11:49,035 INFO L158 Benchmark]: RCFGBuilder took 435.04ms. Allocated memory is still 153.1MB. Free memory was 94.1MB in the beginning and 123.5MB in the end (delta: -29.5MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-11-22 00:11:49,036 INFO L158 Benchmark]: TraceAbstraction took 455.22ms. Allocated memory is still 153.1MB. Free memory was 122.9MB in the beginning and 107.4MB in the end (delta: 15.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-11-22 00:11:49,036 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 153.1MB. Free memory was 107.4MB in the beginning and 106.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:11:49,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.69ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 97.8MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.43ms. Allocated memory is still 153.1MB. Free memory was 97.4MB in the beginning and 95.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.63ms. Allocated memory is still 153.1MB. Free memory was 95.7MB in the beginning and 94.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 435.04ms. Allocated memory is still 153.1MB. Free memory was 94.1MB in the beginning and 123.5MB in the end (delta: -29.5MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * TraceAbstraction took 455.22ms. Allocated memory is still 153.1MB. Free memory was 122.9MB in the beginning and 107.4MB in the end (delta: 15.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 153.1MB. Free memory was 107.4MB in the beginning and 106.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 110, overapproximation of bitwiseAnd at line 113. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L31] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 4); [L32] const SORT_7 msb_SORT_7 = (SORT_7)1 << (4 - 1); [L34] const SORT_62 mask_SORT_62 = (SORT_62)-1 >> (sizeof(SORT_62) * 8 - 10); [L35] const SORT_62 msb_SORT_62 = (SORT_62)1 << (10 - 1); [L37] const SORT_7 var_8 = 0; [L38] const SORT_1 var_16 = 1; [L39] const SORT_1 var_20 = 0; [L41] SORT_1 input_2; [L42] SORT_3 input_4; [L43] SORT_1 input_5; [L44] SORT_1 input_6; [L45] SORT_1 input_23; [L46] SORT_1 input_25; [L47] SORT_1 input_27; [L48] SORT_1 input_29; [L49] SORT_1 input_31; [L50] SORT_1 input_33; [L51] SORT_1 input_35; [L52] SORT_1 input_37; [L53] SORT_1 input_39; [L54] SORT_1 input_41; [L55] SORT_1 input_43; [L56] SORT_3 input_45; [L57] SORT_1 input_48; [L58] SORT_1 input_50; [L59] SORT_1 input_52; [L60] SORT_1 input_54; [L61] SORT_1 input_56; [L62] SORT_1 input_58; [L63] SORT_1 input_60; [L64] SORT_62 input_63; [L65] SORT_1 input_65; [L67] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L68] SORT_7 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L69] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] SORT_7 init_10_arg_1 = var_8; [L72] state_9 = init_10_arg_1 [L73] SORT_7 init_12_arg_1 = var_8; [L74] state_11 = init_12_arg_1 [L75] SORT_1 init_22_arg_1 = var_20; [L76] state_21 = init_22_arg_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_22_arg_1=0, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_62=1023, mask_SORT_7=15, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_62=512, msb_SORT_7=8, state_11=0, state_21=0, state_9=0, var_16=1, var_20=0, var_8=0] [L79] input_2 = __VERIFIER_nondet_uchar() [L80] input_4 = __VERIFIER_nondet_uchar() [L81] input_5 = __VERIFIER_nondet_uchar() [L82] input_6 = __VERIFIER_nondet_uchar() [L83] input_23 = __VERIFIER_nondet_uchar() [L84] input_25 = __VERIFIER_nondet_uchar() [L85] input_27 = __VERIFIER_nondet_uchar() [L86] input_29 = __VERIFIER_nondet_uchar() [L87] input_31 = __VERIFIER_nondet_uchar() [L88] input_33 = __VERIFIER_nondet_uchar() [L89] input_35 = __VERIFIER_nondet_uchar() [L90] input_37 = __VERIFIER_nondet_uchar() [L91] input_39 = __VERIFIER_nondet_uchar() [L92] input_41 = __VERIFIER_nondet_uchar() [L93] input_43 = __VERIFIER_nondet_uchar() [L94] input_45 = __VERIFIER_nondet_uchar() [L95] input_48 = __VERIFIER_nondet_uchar() [L96] input_50 = __VERIFIER_nondet_uchar() [L97] input_52 = __VERIFIER_nondet_uchar() [L98] input_54 = __VERIFIER_nondet_uchar() [L99] input_56 = __VERIFIER_nondet_uchar() [L100] input_58 = __VERIFIER_nondet_uchar() [L101] input_60 = __VERIFIER_nondet_uchar() [L102] input_63 = __VERIFIER_nondet_ushort() [L103] input_65 = __VERIFIER_nondet_uchar() [L106] SORT_7 var_13_arg_0 = state_9; [L107] SORT_7 var_13_arg_1 = state_11; [L108] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L109] SORT_1 var_17_arg_0 = var_13; [L110] SORT_1 var_17 = ~var_17_arg_0; [L111] SORT_1 var_18_arg_0 = var_16; [L112] SORT_1 var_18_arg_1 = var_17; [L113] SORT_1 var_18 = var_18_arg_0 & var_18_arg_1; [L114] var_18 = var_18 & mask_SORT_1 [L115] SORT_1 bad_19_arg_0 = var_18; [L116] CALL __VERIFIER_assert(!(bad_19_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 0.1s 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 [2022-11-22 00:11:49,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/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_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba --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 5c504be096ff6459fe3a00ea41e5a422127ce98d69391112c1263223aa63206b --- 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-b5237d8 [2022-11-22 00:11:51,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:11:51,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:11:51,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:11:51,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:11:51,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:11:51,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:11:51,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:11:51,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:11:51,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:11:51,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:11:51,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:11:51,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:11:51,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:11:51,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:11:51,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:11:51,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:11:51,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:11:51,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:11:51,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:11:51,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:11:51,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:11:51,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:11:51,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:11:51,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:11:51,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:11:51,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:11:51,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:11:51,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:11:51,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:11:51,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:11:51,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:11:51,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:11:51,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:11:51,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:11:51,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:11:51,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:11:51,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:11:51,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:11:51,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:11:51,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:11:51,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-22 00:11:51,720 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:11:51,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:11:51,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:11:51,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:11:51,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:11:51,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:11:51,723 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:11:51,724 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:11:51,724 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:11:51,724 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:11:51,725 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:11:51,726 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:11:51,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:11:51,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:11:51,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:11:51,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:11:51,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:11:51,728 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 00:11:51,728 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 00:11:51,728 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 00:11:51,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:11:51,729 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:11:51,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:11:51,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:11:51,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 00:11:51,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:11:51,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:11:51,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:11:51,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:11:51,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:11:51,731 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 00:11:51,731 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 00:11:51,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:11:51,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:11:51,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 00:11:51,732 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_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c504be096ff6459fe3a00ea41e5a422127ce98d69391112c1263223aa63206b [2022-11-22 00:11:52,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:11:52,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:11:52,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:11:52,194 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:11:52,195 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:11:52,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p05.c [2022-11-22 00:11:55,476 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:11:55,693 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:11:55,694 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p05.c [2022-11-22 00:11:55,701 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/data/298297a8a/846f8351b53744e2939328663270ddca/FLAG300cda9b0 [2022-11-22 00:11:55,722 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/data/298297a8a/846f8351b53744e2939328663270ddca [2022-11-22 00:11:55,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:11:55,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:11:55,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:11:55,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:11:55,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:11:55,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:11:55" (1/1) ... [2022-11-22 00:11:55,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143c85e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:55, skipping insertion in model container [2022-11-22 00:11:55,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:11:55" (1/1) ... [2022-11-22 00:11:55,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:11:55,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:11:55,933 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_07e2a25a-dfed-4b18-93b5-8849234c0050/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p05.c[1107,1120] [2022-11-22 00:11:56,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:11:56,023 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:11:56,034 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_07e2a25a-dfed-4b18-93b5-8849234c0050/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p05.c[1107,1120] [2022-11-22 00:11:56,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:11:56,109 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:11:56,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:56 WrapperNode [2022-11-22 00:11:56,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:11:56,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:11:56,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:11:56,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:11:56,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:56" (1/1) ... [2022-11-22 00:11:56,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:56" (1/1) ... [2022-11-22 00:11:56,172 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 143 [2022-11-22 00:11:56,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:11:56,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:11:56,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:11:56,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:11:56,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:56" (1/1) ... [2022-11-22 00:11:56,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:56" (1/1) ... [2022-11-22 00:11:56,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:56" (1/1) ... [2022-11-22 00:11:56,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:56" (1/1) ... [2022-11-22 00:11:56,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:56" (1/1) ... [2022-11-22 00:11:56,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:56" (1/1) ... [2022-11-22 00:11:56,230 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:56" (1/1) ... [2022-11-22 00:11:56,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:56" (1/1) ... [2022-11-22 00:11:56,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:11:56,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:11:56,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:11:56,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:11:56,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:56" (1/1) ... [2022-11-22 00:11:56,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:11:56,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:11:56,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:11:56,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:11:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:11:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:11:56,482 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:11:56,486 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:11:56,707 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:11:56,716 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:11:56,716 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 00:11:56,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:11:56 BoogieIcfgContainer [2022-11-22 00:11:56,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:11:56,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:11:56,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:11:56,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:11:56,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:11:55" (1/3) ... [2022-11-22 00:11:56,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25715f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:11:56, skipping insertion in model container [2022-11-22 00:11:56,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:11:56" (2/3) ... [2022-11-22 00:11:56,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25715f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:11:56, skipping insertion in model container [2022-11-22 00:11:56,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:11:56" (3/3) ... [2022-11-22 00:11:56,727 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p05.c [2022-11-22 00:11:56,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:11:56,747 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 00:11:56,815 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:11:56,825 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;@5b411104, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:11:56,825 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 00:11:56,830 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) [2022-11-22 00:11:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 00:11:56,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:11:56,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 00:11:56,839 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:11:56,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:11:56,844 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-22 00:11:56,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 00:11:56,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591886210] [2022-11-22 00:11:56,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:11:56,859 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 [2022-11-22 00:11:56,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 00:11:56,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/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) [2022-11-22 00:11:56,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:11:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:11:57,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-22 00:11:57,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:11:57,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:11:57,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:11:57,295 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 00:11:57,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [591886210] [2022-11-22 00:11:57,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [591886210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:11:57,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:11:57,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:11:57,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384286610] [2022-11-22 00:11:57,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:11:57,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:11:57,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 00:11:57,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:11:57,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:11:57,340 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) [2022-11-22 00:11:57,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:11:57,388 INFO L93 Difference]: Finished difference Result 15 states and 22 transitions. [2022-11-22 00:11:57,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:11:57,391 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 [2022-11-22 00:11:57,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:11:57,416 INFO L225 Difference]: With dead ends: 15 [2022-11-22 00:11:57,416 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 00:11:57,419 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 [2022-11-22 00:11:57,422 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:11:57,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:11:57,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 00:11:57,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 00:11:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:11:57,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 00:11:57,457 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-22 00:11:57,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:11:57,458 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 00:11:57,458 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) [2022-11-22 00:11:57,459 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 00:11:57,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 00:11:57,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 00:11:57,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:11:57,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:11:57,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 00:11:57,715 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 00:11:57,715 INFO L895 garLoopResultBuilder]: At program point L141(lines 22 142) the Hoare annotation is: false [2022-11-22 00:11:57,716 INFO L895 garLoopResultBuilder]: At program point L77-2(lines 77 140) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~state_9~0#1| (_ bv0 8)) (= (_ bv0 8) |ULTIMATE.start_main_~state_11~0#1|)) [2022-11-22 00:11:57,716 INFO L899 garLoopResultBuilder]: For program point L77-3(lines 77 140) no Hoare annotation was computed. [2022-11-22 00:11:57,716 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-22 00:11:57,716 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 00:11:57,716 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-22 00:11:57,717 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-22 00:11:57,717 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-22 00:11:57,717 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-22 00:11:57,717 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-22 00:11:57,721 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 00:11:57,724 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:11:57,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:11:57 BoogieIcfgContainer [2022-11-22 00:11:57,737 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:11:57,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:11:57,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:11:57,741 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:11:57,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:11:56" (3/4) ... [2022-11-22 00:11:57,746 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:11:57,761 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-22 00:11:57,761 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 00:11:57,761 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:11:57,882 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 00:11:57,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:11:57,883 INFO L158 Benchmark]: Toolchain (without parser) took 2157.17ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 35.5MB in the beginning and 58.8MB in the end (delta: -23.2MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2022-11-22 00:11:57,884 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:11:57,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.54ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 35.3MB in the beginning and 58.0MB in the end (delta: -22.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-11-22 00:11:57,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.20ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 56.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:11:57,885 INFO L158 Benchmark]: Boogie Preprocessor took 59.64ms. Allocated memory is still 81.8MB. Free memory was 56.1MB in the beginning and 54.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:11:57,886 INFO L158 Benchmark]: RCFGBuilder took 484.23ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 41.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 00:11:57,886 INFO L158 Benchmark]: TraceAbstraction took 1019.17ms. Allocated memory is still 81.8MB. Free memory was 41.4MB in the beginning and 54.6MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:11:57,886 INFO L158 Benchmark]: Witness Printer took 142.21ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 58.8MB in the end (delta: -4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 00:11:57,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.54ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 35.3MB in the beginning and 58.0MB in the end (delta: -22.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.20ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 56.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.64ms. Allocated memory is still 81.8MB. Free memory was 56.1MB in the beginning and 54.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.23ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 41.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1019.17ms. Allocated memory is still 81.8MB. Free memory was 41.4MB in the beginning and 54.6MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 142.21ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 58.8MB in the end (delta: -4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 11 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 16 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (1bv8 == mask_SORT_1 && state_9 == 0bv8) && 0bv8 == state_11 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-22 00:11:57,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07e2a25a-dfed-4b18-93b5-8849234c0050/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE