./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS --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 784e981cefe2ed3e33a4ce4eb9f100c5852dd40bf91b00bd8e431bd55aab583c --- 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-8393723 [2022-11-19 07:29:30,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:29:30,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:29:30,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:29:30,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:29:30,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:29:30,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:29:30,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:29:30,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:29:30,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:29:30,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:29:30,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:29:30,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:29:30,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:29:30,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:29:30,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:29:30,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:29:30,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:29:30,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:29:30,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:29:30,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:29:30,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:29:30,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:29:30,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:29:30,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:29:30,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:29:30,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:29:30,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:29:30,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:29:30,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:29:30,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:29:30,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:29:30,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:29:30,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:29:30,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:29:30,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:29:30,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:29:30,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:29:30,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:29:30,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:29:30,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:29:30,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:29:30,289 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:29:30,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:29:30,290 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:29:30,290 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:29:30,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:29:30,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:29:30,292 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:29:30,292 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:29:30,292 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:29:30,293 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:29:30,294 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:29:30,294 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:29:30,294 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:29:30,295 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:29:30,295 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:29:30,295 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:29:30,295 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:29:30,296 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:29:30,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:29:30,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:29:30,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:29:30,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:29:30,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:29:30,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:29:30,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:29:30,300 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:29:30,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:29:30,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:29:30,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:29:30,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:29:30,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:29:30,302 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:29:30,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:29:30,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:29:30,303 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:29:30,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:29:30,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:29:30,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:29:30,304 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_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 784e981cefe2ed3e33a4ce4eb9f100c5852dd40bf91b00bd8e431bd55aab583c [2022-11-19 07:29:30,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:29:30,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:29:30,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:29:30,639 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:29:30,640 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:29:30,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c [2022-11-19 07:29:30,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/data/42506d0ec/59779c7e31b24f6dbb1cb197b99ee74b/FLAG2134df2fd [2022-11-19 07:29:31,243 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:29:31,244 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c [2022-11-19 07:29:31,255 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/data/42506d0ec/59779c7e31b24f6dbb1cb197b99ee74b/FLAG2134df2fd [2022-11-19 07:29:31,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/data/42506d0ec/59779c7e31b24f6dbb1cb197b99ee74b [2022-11-19 07:29:31,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:29:31,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:29:31,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:29:31,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:29:31,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:29:31,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:29:31" (1/1) ... [2022-11-19 07:29:31,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13dcde23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:31, skipping insertion in model container [2022-11-19 07:29:31,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:29:31" (1/1) ... [2022-11-19 07:29:31,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:29:31,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:29:31,910 WARN L234 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_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c[1107,1120] [2022-11-19 07:29:32,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:29:32,029 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:29:32,049 WARN L234 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_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c[1107,1120] [2022-11-19 07:29:32,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:29:32,130 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:29:32,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:32 WrapperNode [2022-11-19 07:29:32,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:29:32,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:29:32,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:29:32,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:29:32,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:32" (1/1) ... [2022-11-19 07:29:32,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:32" (1/1) ... [2022-11-19 07:29:32,181 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 243 [2022-11-19 07:29:32,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:29:32,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:29:32,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:29:32,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:29:32,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:32" (1/1) ... [2022-11-19 07:29:32,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:32" (1/1) ... [2022-11-19 07:29:32,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:32" (1/1) ... [2022-11-19 07:29:32,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:32" (1/1) ... [2022-11-19 07:29:32,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:32" (1/1) ... [2022-11-19 07:29:32,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:32" (1/1) ... [2022-11-19 07:29:32,211 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:32" (1/1) ... [2022-11-19 07:29:32,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:32" (1/1) ... [2022-11-19 07:29:32,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:29:32,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:29:32,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:29:32,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:29:32,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:32" (1/1) ... [2022-11-19 07:29:32,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:29:32,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:29:32,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:29:32,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:29:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:29:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:29:32,431 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:29:32,433 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:29:32,813 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:29:33,088 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:29:33,088 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:29:33,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:29:33 BoogieIcfgContainer [2022-11-19 07:29:33,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:29:33,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:29:33,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:29:33,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:29:33,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:29:31" (1/3) ... [2022-11-19 07:29:33,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aae8d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:29:33, skipping insertion in model container [2022-11-19 07:29:33,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:32" (2/3) ... [2022-11-19 07:29:33,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aae8d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:29:33, skipping insertion in model container [2022-11-19 07:29:33,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:29:33" (3/3) ... [2022-11-19 07:29:33,103 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c [2022-11-19 07:29:33,123 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:29:33,123 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:29:33,176 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:29:33,184 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;@26dd4964, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:29:33,185 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:29:33,189 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) [2022-11-19 07:29:33,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:29:33,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:29:33,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:29:33,198 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:29:33,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:29:33,204 INFO L85 PathProgramCache]: Analyzing trace with hash 4090625, now seen corresponding path program 1 times [2022-11-19 07:29:33,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:29:33,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317002595] [2022-11-19 07:29:33,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:29:33,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:29:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:29:33,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:29:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:29:33,500 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:29:33,502 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:29:33,503 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:29:33,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:29:33,510 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 07:29:33,515 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:29:33,535 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 07:29:33,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:29:33 BoogieIcfgContainer [2022-11-19 07:29:33,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:29:33,545 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:29:33,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:29:33,545 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:29:33,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:29:33" (3/4) ... [2022-11-19 07:29:33,549 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 07:29:33,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:29:33,551 INFO L158 Benchmark]: Toolchain (without parser) took 1974.45ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 73.8MB in the beginning and 110.0MB in the end (delta: -36.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:29:33,551 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:29:33,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.42ms. Allocated memory is still 134.2MB. Free memory was 73.6MB in the beginning and 105.6MB in the end (delta: -32.1MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2022-11-19 07:29:33,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.01ms. Allocated memory is still 134.2MB. Free memory was 105.6MB in the beginning and 103.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:29:33,555 INFO L158 Benchmark]: Boogie Preprocessor took 34.62ms. Allocated memory is still 134.2MB. Free memory was 103.1MB in the beginning and 101.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:29:33,561 INFO L158 Benchmark]: RCFGBuilder took 874.25ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 101.4MB in the beginning and 133.9MB in the end (delta: -32.5MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2022-11-19 07:29:33,562 INFO L158 Benchmark]: TraceAbstraction took 449.82ms. Allocated memory is still 163.6MB. Free memory was 133.1MB in the beginning and 110.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-19 07:29:33,563 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 163.6MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:29:33,566 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 553.42ms. Allocated memory is still 134.2MB. Free memory was 73.6MB in the beginning and 105.6MB in the end (delta: -32.1MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.01ms. Allocated memory is still 134.2MB. Free memory was 105.6MB in the beginning and 103.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.62ms. Allocated memory is still 134.2MB. Free memory was 103.1MB in the beginning and 101.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 874.25ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 101.4MB in the beginning and 133.9MB in the end (delta: -32.5MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * TraceAbstraction took 449.82ms. Allocated memory is still 163.6MB. Free memory was 133.1MB in the beginning and 110.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 163.6MB. Free memory is still 110.0MB. 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 bitwiseOr at line 131, overapproximation of bitwiseComplement at line 122, overapproximation of bitwiseAnd at line 116. 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_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L32] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L34] const SORT_32 mask_SORT_32 = (SORT_32)-1 >> (sizeof(SORT_32) * 8 - 4); [L35] const SORT_32 msb_SORT_32 = (SORT_32)1 << (4 - 1); [L37] const SORT_68 mask_SORT_68 = (SORT_68)-1 >> (sizeof(SORT_68) * 8 - 10); [L38] const SORT_68 msb_SORT_68 = (SORT_68)1 << (10 - 1); [L40] const SORT_1 var_7 = 0; [L41] const SORT_10 var_12 = 1; [L42] const SORT_1 var_22 = 1; [L44] SORT_1 input_2; [L45] SORT_3 input_4; [L46] SORT_1 input_5; [L47] SORT_1 input_6; [L48] SORT_1 input_30; [L49] SORT_32 input_33; [L50] SORT_1 input_35; [L51] SORT_32 input_37; [L52] SORT_1 input_39; [L53] SORT_1 input_41; [L54] SORT_1 input_43; [L55] SORT_1 input_45; [L56] SORT_1 input_47; [L57] SORT_1 input_49; [L58] SORT_1 input_51; [L59] SORT_3 input_53; [L60] SORT_1 input_56; [L61] SORT_1 input_60; [L62] SORT_1 input_62; [L63] SORT_1 input_64; [L64] SORT_1 input_66; [L65] SORT_68 input_69; [L66] SORT_1 input_71; [L67] SORT_1 input_75; [L68] SORT_1 input_83; [L70] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] SORT_1 init_9_arg_1 = var_7; [L77] state_8 = init_9_arg_1 [L78] SORT_1 init_16_arg_1 = var_7; [L79] state_15 = init_16_arg_1 [L80] SORT_1 init_27_arg_1 = var_7; [L81] state_26 = init_27_arg_1 [L82] SORT_1 init_29_arg_1 = var_7; [L83] state_28 = init_29_arg_1 [L84] SORT_1 init_59_arg_1 = var_7; [L85] state_58 = init_59_arg_1 VAL [init_16_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_59_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_10=4294967295, mask_SORT_3=255, mask_SORT_32=15, mask_SORT_68=1023, msb_SORT_1=1, msb_SORT_10=2147483648, msb_SORT_3=128, msb_SORT_32=8, msb_SORT_68=512, state_15=0, state_26=0, state_28=0, state_58=0, state_8=0, var_12=1, var_22=1, var_7=0] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_4 = __VERIFIER_nondet_uchar() [L90] input_5 = __VERIFIER_nondet_uchar() [L91] input_6 = __VERIFIER_nondet_uchar() [L92] input_30 = __VERIFIER_nondet_uchar() [L93] input_33 = __VERIFIER_nondet_uchar() [L94] input_35 = __VERIFIER_nondet_uchar() [L95] input_37 = __VERIFIER_nondet_uchar() [L96] input_39 = __VERIFIER_nondet_uchar() [L97] input_41 = __VERIFIER_nondet_uchar() [L98] input_43 = __VERIFIER_nondet_uchar() [L99] input_45 = __VERIFIER_nondet_uchar() [L100] input_47 = __VERIFIER_nondet_uchar() [L101] input_49 = __VERIFIER_nondet_uchar() [L102] input_51 = __VERIFIER_nondet_uchar() [L103] input_53 = __VERIFIER_nondet_uchar() [L104] input_56 = __VERIFIER_nondet_uchar() [L105] input_60 = __VERIFIER_nondet_uchar() [L106] input_62 = __VERIFIER_nondet_uchar() [L107] input_64 = __VERIFIER_nondet_uchar() [L108] input_66 = __VERIFIER_nondet_uchar() [L109] input_69 = __VERIFIER_nondet_ushort() [L110] input_71 = __VERIFIER_nondet_uchar() [L111] input_75 = __VERIFIER_nondet_uchar() [L112] input_83 = __VERIFIER_nondet_uchar() [L115] SORT_1 var_11_arg_0 = state_8; [L116] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L117] SORT_10 var_11 = var_11_arg_0; [L118] SORT_10 var_13_arg_0 = var_11; [L119] SORT_10 var_13_arg_1 = var_12; [L120] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L121] SORT_1 var_14_arg_0 = var_13; [L122] SORT_1 var_14 = ~var_14_arg_0; [L123] SORT_1 var_17_arg_0 = state_15; [L124] var_17_arg_0 = var_17_arg_0 & mask_SORT_1 [L125] SORT_10 var_17 = var_17_arg_0; [L126] SORT_10 var_18_arg_0 = var_17; [L127] SORT_10 var_18_arg_1 = var_12; [L128] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L129] SORT_1 var_19_arg_0 = var_14; [L130] SORT_1 var_19_arg_1 = var_18; [L131] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L132] SORT_1 var_23_arg_0 = var_19; [L133] SORT_1 var_23 = ~var_23_arg_0; [L134] SORT_1 var_24_arg_0 = var_22; [L135] SORT_1 var_24_arg_1 = var_23; [L136] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L137] var_24 = var_24 & mask_SORT_1 [L138] SORT_1 bad_25_arg_0 = var_24; [L139] CALL __VERIFIER_assert(!(bad_25_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 [2022-11-19 07:29:33,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/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_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS --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 784e981cefe2ed3e33a4ce4eb9f100c5852dd40bf91b00bd8e431bd55aab583c --- 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-8393723 [2022-11-19 07:29:36,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:29:36,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:29:36,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:29:36,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:29:36,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:29:36,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:29:36,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:29:36,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:29:36,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:29:36,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:29:36,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:29:36,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:29:36,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:29:36,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:29:36,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:29:36,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:29:36,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:29:36,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:29:36,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:29:36,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:29:36,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:29:36,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:29:36,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:29:36,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:29:36,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:29:36,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:29:36,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:29:36,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:29:36,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:29:36,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:29:36,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:29:36,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:29:36,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:29:36,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:29:36,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:29:36,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:29:36,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:29:36,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:29:36,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:29:36,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:29:36,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 07:29:36,331 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:29:36,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:29:36,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:29:36,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:29:36,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:29:36,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:29:36,335 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:29:36,335 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:29:36,335 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:29:36,336 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:29:36,337 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:29:36,337 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:29:36,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:29:36,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:29:36,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:29:36,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:29:36,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:29:36,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:29:36,340 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:29:36,341 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:29:36,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:29:36,341 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:29:36,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:29:36,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:29:36,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:29:36,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:29:36,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:29:36,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:29:36,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:29:36,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:29:36,343 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:29:36,344 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:29:36,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:29:36,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:29:36,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:29:36,345 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_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 784e981cefe2ed3e33a4ce4eb9f100c5852dd40bf91b00bd8e431bd55aab583c [2022-11-19 07:29:36,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:29:36,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:29:36,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:29:36,846 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:29:36,846 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:29:36,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c [2022-11-19 07:29:36,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/data/54647723b/bb15ea1f9466404a96521ba4f351f7ec/FLAG47cefdf75 [2022-11-19 07:29:37,519 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:29:37,519 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c [2022-11-19 07:29:37,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/data/54647723b/bb15ea1f9466404a96521ba4f351f7ec/FLAG47cefdf75 [2022-11-19 07:29:37,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/data/54647723b/bb15ea1f9466404a96521ba4f351f7ec [2022-11-19 07:29:37,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:29:37,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:29:37,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:29:37,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:29:37,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:29:37,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:29:37" (1/1) ... [2022-11-19 07:29:37,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e07d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:37, skipping insertion in model container [2022-11-19 07:29:37,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:29:37" (1/1) ... [2022-11-19 07:29:37,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:29:37,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:29:38,060 WARN L234 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_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c[1107,1120] [2022-11-19 07:29:38,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:29:38,158 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:29:38,212 WARN L234 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_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c[1107,1120] [2022-11-19 07:29:38,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:29:38,293 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:29:38,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:38 WrapperNode [2022-11-19 07:29:38,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:29:38,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:29:38,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:29:38,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:29:38,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:38" (1/1) ... [2022-11-19 07:29:38,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:38" (1/1) ... [2022-11-19 07:29:38,362 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 201 [2022-11-19 07:29:38,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:29:38,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:29:38,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:29:38,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:29:38,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:38" (1/1) ... [2022-11-19 07:29:38,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:38" (1/1) ... [2022-11-19 07:29:38,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:38" (1/1) ... [2022-11-19 07:29:38,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:38" (1/1) ... [2022-11-19 07:29:38,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:38" (1/1) ... [2022-11-19 07:29:38,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:38" (1/1) ... [2022-11-19 07:29:38,387 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:38" (1/1) ... [2022-11-19 07:29:38,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:38" (1/1) ... [2022-11-19 07:29:38,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:29:38,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:29:38,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:29:38,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:29:38,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:38" (1/1) ... [2022-11-19 07:29:38,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:29:38,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:29:38,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:29:38,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:29:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:29:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:29:38,587 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:29:38,590 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:29:39,011 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:29:39,018 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:29:39,018 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:29:39,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:29:39 BoogieIcfgContainer [2022-11-19 07:29:39,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:29:39,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:29:39,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:29:39,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:29:39,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:29:37" (1/3) ... [2022-11-19 07:29:39,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@97d2483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:29:39, skipping insertion in model container [2022-11-19 07:29:39,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:29:38" (2/3) ... [2022-11-19 07:29:39,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@97d2483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:29:39, skipping insertion in model container [2022-11-19 07:29:39,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:29:39" (3/3) ... [2022-11-19 07:29:39,053 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p04.c [2022-11-19 07:29:39,075 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:29:39,075 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:29:39,163 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:29:39,173 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;@10bc6368, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:29:39,173 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:29:39,178 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) [2022-11-19 07:29:39,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 07:29:39,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:29:39,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 07:29:39,188 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:29:39,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:29:39,195 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-19 07:29:39,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:29:39,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856398758] [2022-11-19 07:29:39,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:29:39,210 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 [2022-11-19 07:29:39,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:29:39,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 07:29:39,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:29:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:29:39,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-19 07:29:39,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:29:39,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:29:39,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:29:39,722 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:29:39,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856398758] [2022-11-19 07:29:39,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856398758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:29:39,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:29:39,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:29:39,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092692458] [2022-11-19 07:29:39,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:29:39,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:29:39,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:29:39,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:29:39,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:29:39,772 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) [2022-11-19 07:29:39,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:29:39,829 INFO L93 Difference]: Finished difference Result 15 states and 22 transitions. [2022-11-19 07:29:39,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:29:39,832 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 [2022-11-19 07:29:39,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:29:39,838 INFO L225 Difference]: With dead ends: 15 [2022-11-19 07:29:39,839 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:29:39,841 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 [2022-11-19 07:29:39,845 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 [2022-11-19 07:29:39,846 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] [2022-11-19 07:29:39,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:29:39,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:29:39,868 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) [2022-11-19 07:29:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:29:39,870 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-19 07:29:39,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:29:39,870 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:29:39,870 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) [2022-11-19 07:29:39,871 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:29:39,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:29:39,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:29:39,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:29:40,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:29:40,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:29:40,132 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:29:40,132 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-19 07:29:40,133 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 07:29:40,133 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-19 07:29:40,134 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-19 07:29:40,134 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-19 07:29:40,135 INFO L895 garLoopResultBuilder]: At program point L86-2(lines 86 197) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~var_12~0#1| (_ bv1 32)) (= |ULTIMATE.start_main_~state_8~0#1| (_ bv0 8))) [2022-11-19 07:29:40,135 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-19 07:29:40,135 INFO L899 garLoopResultBuilder]: For program point L86-3(lines 86 197) no Hoare annotation was computed. [2022-11-19 07:29:40,137 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-19 07:29:40,137 INFO L895 garLoopResultBuilder]: At program point L198(lines 22 199) the Hoare annotation is: false [2022-11-19 07:29:40,142 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 07:29:40,145 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:29:40,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:29:40 BoogieIcfgContainer [2022-11-19 07:29:40,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:29:40,165 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:29:40,165 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:29:40,165 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:29:40,166 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:29:39" (3/4) ... [2022-11-19 07:29:40,169 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:29:40,187 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-19 07:29:40,188 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-19 07:29:40,188 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:29:40,280 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:29:40,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:29:40,281 INFO L158 Benchmark]: Toolchain (without parser) took 2446.75ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 47.5MB in the beginning and 45.7MB in the end (delta: 1.8MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2022-11-19 07:29:40,282 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:29:40,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.56ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 49.3MB in the end (delta: -2.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 07:29:40,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.33ms. Allocated memory is still 67.1MB. Free memory was 49.3MB in the beginning and 46.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:29:40,283 INFO L158 Benchmark]: Boogie Preprocessor took 28.73ms. Allocated memory is still 67.1MB. Free memory was 46.9MB in the beginning and 45.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:29:40,284 INFO L158 Benchmark]: RCFGBuilder took 628.02ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 29.4MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-19 07:29:40,284 INFO L158 Benchmark]: TraceAbstraction took 1119.48ms. Allocated memory is still 83.9MB. Free memory was 66.7MB in the beginning and 50.4MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-11-19 07:29:40,285 INFO L158 Benchmark]: Witness Printer took 115.92ms. Allocated memory is still 83.9MB. Free memory was 50.4MB in the beginning and 45.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:29:40,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.56ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 49.3MB in the end (delta: -2.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.33ms. Allocated memory is still 67.1MB. Free memory was 49.3MB in the beginning and 46.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.73ms. Allocated memory is still 67.1MB. Free memory was 46.9MB in the beginning and 45.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 628.02ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 29.4MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1119.48ms. Allocated memory is still 83.9MB. Free memory was 66.7MB in the beginning and 50.4MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Witness Printer took 115.92ms. Allocated memory is still 83.9MB. Free memory was 50.4MB in the beginning and 45.7MB in the end (delta: 4.7MB). 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: 1.0s, 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, 22 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 22 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: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (1bv8 == mask_SORT_1 && var_12 == 1bv32) && state_8 == 0bv8 RESULT: Ultimate proved your program to be correct! [2022-11-19 07:29:40,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37ad3707-5a1c-4003-b764-7d7ceb2e4c5b/bin/utaipan-I9t0OCRTmS/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