./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0530b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0530b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3dd0192acc59b0f215b56c6e8f907f941322b485c9e75f22542266b1db6ae74a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:38:56,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:38:56,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:38:56,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:38:56,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:38:56,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:38:56,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:38:56,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:38:56,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:38:56,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:38:56,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:38:56,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:38:56,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:38:56,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:38:56,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:38:56,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:38:56,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:38:56,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:38:56,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:38:56,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:38:56,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:38:56,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:38:56,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:38:56,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:38:56,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:38:56,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:38:56,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:38:56,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:38:56,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:38:56,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:38:56,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:38:56,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:38:56,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:38:56,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:38:56,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:38:56,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:38:56,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:38:56,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:38:56,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:38:56,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:38:56,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:38:56,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:38:56,594 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:38:56,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:38:56,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:38:56,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:38:56,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:38:56,597 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:38:56,598 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:38:56,598 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:38:56,599 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:38:56,599 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:38:56,599 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:38:56,600 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:38:56,600 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:38:56,601 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:38:56,601 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:38:56,602 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:38:56,602 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:38:56,602 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:38:56,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:38:56,604 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:38:56,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:38:56,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:38:56,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:38:56,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:38:56,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:38:56,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:38:56,606 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:38:56,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:38:56,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:38:56,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:38:56,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:38:56,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:38:56,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:38:56,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:38:56,609 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:38:56,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:38:56,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:38:56,610 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:38:56,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:38:56,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:38:56,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:38:56,611 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_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dd0192acc59b0f215b56c6e8f907f941322b485c9e75f22542266b1db6ae74a [2022-11-23 15:38:56,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:38:57,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:38:57,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:38:57,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:38:57,030 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:38:57,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/float-newlib/double_req_bl_0530b.c [2022-11-23 15:39:00,959 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:39:01,340 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:39:01,341 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/sv-benchmarks/c/float-newlib/double_req_bl_0530b.c [2022-11-23 15:39:01,352 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/data/5e35c606b/e9656ed180ff4dd0b5360451e07b1171/FLAG486954dca [2022-11-23 15:39:01,371 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/data/5e35c606b/e9656ed180ff4dd0b5360451e07b1171 [2022-11-23 15:39:01,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:39:01,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:39:01,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:39:01,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:39:01,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:39:01,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:01" (1/1) ... [2022-11-23 15:39:01,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731af222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:01, skipping insertion in model container [2022-11-23 15:39:01,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:01" (1/1) ... [2022-11-23 15:39:01,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:39:01,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:39:01,868 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_fb27f3be-c5db-4b00-aae0-be46b634e2e1/sv-benchmarks/c/float-newlib/double_req_bl_0530b.c[16384,16397] [2022-11-23 15:39:01,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:39:01,901 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:39:02,090 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_fb27f3be-c5db-4b00-aae0-be46b634e2e1/sv-benchmarks/c/float-newlib/double_req_bl_0530b.c[16384,16397] [2022-11-23 15:39:02,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:39:02,155 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:39:02,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:02 WrapperNode [2022-11-23 15:39:02,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:39:02,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:39:02,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:39:02,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:39:02,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:02" (1/1) ... [2022-11-23 15:39:02,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:02" (1/1) ... [2022-11-23 15:39:02,299 INFO L138 Inliner]: procedures = 26, calls = 400, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 966 [2022-11-23 15:39:02,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:39:02,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:39:02,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:39:02,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:39:02,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:02" (1/1) ... [2022-11-23 15:39:02,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:02" (1/1) ... [2022-11-23 15:39:02,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:02" (1/1) ... [2022-11-23 15:39:02,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:02" (1/1) ... [2022-11-23 15:39:02,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:02" (1/1) ... [2022-11-23 15:39:02,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:02" (1/1) ... [2022-11-23 15:39:02,501 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:02" (1/1) ... [2022-11-23 15:39:02,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:02" (1/1) ... [2022-11-23 15:39:02,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:39:02,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:39:02,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:39:02,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:39:02,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:02" (1/1) ... [2022-11-23 15:39:02,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:39:02,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:39:02,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:39:02,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:39:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:39:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-11-23 15:39:02,657 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-11-23 15:39:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:39:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-11-23 15:39:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-11-23 15:39:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-23 15:39:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:39:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-23 15:39:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2022-11-23 15:39:02,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2022-11-23 15:39:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:39:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-23 15:39:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-11-23 15:39:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-11-23 15:39:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:39:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:39:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:39:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:39:02,942 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:39:02,945 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:39:04,543 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:39:05,012 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:39:05,013 INFO L300 CfgBuilder]: Removed 67 assume(true) statements. [2022-11-23 15:39:05,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:39:05 BoogieIcfgContainer [2022-11-23 15:39:05,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:39:05,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:39:05,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:39:05,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:39:05,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:39:01" (1/3) ... [2022-11-23 15:39:05,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11af0f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:39:05, skipping insertion in model container [2022-11-23 15:39:05,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:02" (2/3) ... [2022-11-23 15:39:05,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11af0f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:39:05, skipping insertion in model container [2022-11-23 15:39:05,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:39:05" (3/3) ... [2022-11-23 15:39:05,032 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0530b.c [2022-11-23 15:39:05,057 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:39:05,057 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:39:05,134 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:39:05,142 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;@423fb0a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:39:05,142 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:39:05,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 154 states have (on average 1.7012987012987013) internal successors, (262), 155 states have internal predecessors, (262), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 15:39:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 15:39:05,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:39:05,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:39:05,160 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:39:05,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:39:05,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1760841385, now seen corresponding path program 1 times [2022-11-23 15:39:05,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:39:05,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916169691] [2022-11-23 15:39:05,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:39:05,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:39:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:39:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:39:05,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:39:05,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916169691] [2022-11-23 15:39:05,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916169691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:39:05,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:39:05,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:39:05,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158238349] [2022-11-23 15:39:05,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:39:05,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:39:05,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:39:05,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:39:05,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:39:05,585 INFO L87 Difference]: Start difference. First operand has 171 states, 154 states have (on average 1.7012987012987013) internal successors, (262), 155 states have internal predecessors, (262), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:39:05,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:39:05,969 INFO L93 Difference]: Finished difference Result 341 states and 578 transitions. [2022-11-23 15:39:05,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:39:05,976 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-23 15:39:05,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:39:05,995 INFO L225 Difference]: With dead ends: 341 [2022-11-23 15:39:05,995 INFO L226 Difference]: Without dead ends: 169 [2022-11-23 15:39:06,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:39:06,017 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:39:06,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 15:39:06,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2022-11-23 15:39:06,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2022-11-23 15:39:06,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 153 states have (on average 1.3725490196078431) internal successors, (210), 153 states have internal predecessors, (210), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 15:39:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 232 transitions. [2022-11-23 15:39:06,089 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 232 transitions. Word has length 9 [2022-11-23 15:39:06,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:39:06,090 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 232 transitions. [2022-11-23 15:39:06,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:39:06,091 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 232 transitions. [2022-11-23 15:39:06,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 15:39:06,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:39:06,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:39:06,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:39:06,093 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:39:06,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:39:06,094 INFO L85 PathProgramCache]: Analyzing trace with hash 36357772, now seen corresponding path program 1 times [2022-11-23 15:39:06,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:39:06,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669100128] [2022-11-23 15:39:06,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:39:06,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:39:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:39:06,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:39:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:39:06,320 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 15:39:06,320 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:39:06,323 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:39:06,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:39:06,331 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 15:39:06,336 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:39:06,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:39:06 BoogieIcfgContainer [2022-11-23 15:39:06,387 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:39:06,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:39:06,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:39:06,388 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:39:06,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:39:05" (3/4) ... [2022-11-23 15:39:06,393 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 15:39:06,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:39:06,394 INFO L158 Benchmark]: Toolchain (without parser) took 5017.11ms. Allocated memory was 130.0MB in the beginning and 207.6MB in the end (delta: 77.6MB). Free memory was 71.5MB in the beginning and 131.2MB in the end (delta: -59.7MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2022-11-23 15:39:06,395 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory was 103.1MB in the beginning and 103.0MB in the end (delta: 88.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:39:06,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 777.20ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 71.3MB in the beginning and 128.1MB in the end (delta: -56.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-11-23 15:39:06,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.25ms. Allocated memory is still 169.9MB. Free memory was 128.1MB in the beginning and 121.2MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 15:39:06,397 INFO L158 Benchmark]: Boogie Preprocessor took 223.79ms. Allocated memory is still 169.9MB. Free memory was 121.2MB in the beginning and 114.3MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 15:39:06,398 INFO L158 Benchmark]: RCFGBuilder took 2482.00ms. Allocated memory is still 169.9MB. Free memory was 114.3MB in the beginning and 92.2MB in the end (delta: 22.1MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2022-11-23 15:39:06,399 INFO L158 Benchmark]: TraceAbstraction took 1366.97ms. Allocated memory was 169.9MB in the beginning and 207.6MB in the end (delta: 37.7MB). Free memory was 92.2MB in the beginning and 131.2MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:39:06,399 INFO L158 Benchmark]: Witness Printer took 5.66ms. Allocated memory is still 207.6MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:39:06,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory was 103.1MB in the beginning and 103.0MB in the end (delta: 88.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 777.20ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 71.3MB in the beginning and 128.1MB in the end (delta: -56.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.25ms. Allocated memory is still 169.9MB. Free memory was 128.1MB in the beginning and 121.2MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 223.79ms. Allocated memory is still 169.9MB. Free memory was 121.2MB in the beginning and 114.3MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2482.00ms. Allocated memory is still 169.9MB. Free memory was 114.3MB in the beginning and 92.2MB in the end (delta: 22.1MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1366.97ms. Allocated memory was 169.9MB in the beginning and 207.6MB in the end (delta: 37.7MB). Free memory was 92.2MB in the beginning and 131.2MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.66ms. Allocated memory is still 207.6MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 662]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 538, overapproximation of bitwiseAnd at line 624, overapproximation of someBinaryArithmeticDOUBLEoperation at line 629, overapproximation of someBinaryDOUBLEComparisonOperation at line 661. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L108-L110] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L179] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L181-L186] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L188-L190] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L365-L376] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L378-L385] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L387-L396] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L529-L540] static const double one_ktan = 1.00000000000000000000e+00, pio4_ktan = 7.85398163397448278999e-01, pio4lo_ktan = 3.06161699786838301793e-17, T[] = { 3.33333333333334091986e-01, 1.33333333333201242699e-01, 5.39682539762260521377e-02, 2.18694882948595424599e-02, 8.86323982359930005737e-03, 3.59207910759131235356e-03, 1.45620945432529025516e-03, 5.88041240820264096874e-04, 2.46463134818469906812e-04, 7.81794442939557092300e-05, 7.14072491382608190305e-05, -1.85586374855275456654e-05, 2.59073051863633712884e-05, }; [L657] double x = -0.0; [L658] CALL, EXPR tan_double(x) [L615] double y[2], z = 0.0; [L616] __int32_t n, ix; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, unknown-#in~x-unknown=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L619] ieee_double_shape_type gh_u; [L620] gh_u.value = (x) [L621] EXPR gh_u.parts.msw [L621] (ix) = gh_u.parts.msw [L624] ix &= 0x7fffffff VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, unknown-#in~x-unknown=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L625] COND FALSE !(ix <= 0x3fe921fb) VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, unknown-#in~x-unknown=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L628] COND TRUE ix >= 0x7ff00000 [L629] return x - x; [L629] return x - x; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, unknown-#in~x-unknown=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, z=0, zero_krempio=0, zero_rempio=0] [L658] RET, EXPR tan_double(x) [L658] double res = tan_double(x); [L661] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, res == -0.0 && __signbit_double(res) == 1=0, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_krempio=0, zero_rempio=0] [L661] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L662] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 171 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 181 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 181 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 15:39:06,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0530b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3dd0192acc59b0f215b56c6e8f907f941322b485c9e75f22542266b1db6ae74a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:39:09,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:39:09,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:39:09,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:39:09,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:39:09,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:39:09,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:39:09,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:39:09,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:39:09,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:39:09,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:39:09,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:39:09,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:39:09,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:39:09,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:39:09,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:39:09,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:39:09,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:39:09,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:39:09,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:39:09,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:39:09,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:39:09,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:39:09,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:39:09,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:39:09,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:39:09,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:39:09,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:39:09,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:39:09,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:39:09,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:39:09,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:39:09,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:39:09,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:39:09,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:39:09,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:39:09,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:39:09,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:39:09,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:39:09,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:39:09,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:39:09,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-23 15:39:09,807 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:39:09,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:39:09,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:39:09,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:39:09,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:39:09,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:39:09,812 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:39:09,813 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:39:09,813 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:39:09,813 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:39:09,815 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:39:09,816 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:39:09,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:39:09,818 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:39:09,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:39:09,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:39:09,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:39:09,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:39:09,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:39:09,820 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:39:09,820 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:39:09,820 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:39:09,821 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:39:09,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:39:09,821 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:39:09,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:39:09,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:39:09,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:39:09,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:39:09,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:39:09,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:39:09,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:39:09,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:39:09,825 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:39:09,825 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:39:09,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:39:09,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:39:09,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:39:09,826 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_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dd0192acc59b0f215b56c6e8f907f941322b485c9e75f22542266b1db6ae74a [2022-11-23 15:39:10,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:39:10,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:39:10,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:39:10,377 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:39:10,378 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:39:10,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/float-newlib/double_req_bl_0530b.c [2022-11-23 15:39:14,020 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:39:14,355 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:39:14,356 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/sv-benchmarks/c/float-newlib/double_req_bl_0530b.c [2022-11-23 15:39:14,369 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/data/68eb321e2/0dbd4006eac041d4a633dc64d9068a11/FLAG51fac07d2 [2022-11-23 15:39:14,396 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/data/68eb321e2/0dbd4006eac041d4a633dc64d9068a11 [2022-11-23 15:39:14,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:39:14,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:39:14,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:39:14,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:39:14,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:39:14,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:14" (1/1) ... [2022-11-23 15:39:14,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f00eafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:14, skipping insertion in model container [2022-11-23 15:39:14,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:14" (1/1) ... [2022-11-23 15:39:14,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:39:14,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:39:14,968 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_fb27f3be-c5db-4b00-aae0-be46b634e2e1/sv-benchmarks/c/float-newlib/double_req_bl_0530b.c[16384,16397] [2022-11-23 15:39:14,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:39:15,038 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:39:15,174 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_fb27f3be-c5db-4b00-aae0-be46b634e2e1/sv-benchmarks/c/float-newlib/double_req_bl_0530b.c[16384,16397] [2022-11-23 15:39:15,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:39:15,211 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:39:15,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:15 WrapperNode [2022-11-23 15:39:15,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:39:15,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:39:15,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:39:15,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:39:15,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:15" (1/1) ... [2022-11-23 15:39:15,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:15" (1/1) ... [2022-11-23 15:39:15,386 INFO L138 Inliner]: procedures = 30, calls = 400, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 964 [2022-11-23 15:39:15,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:39:15,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:39:15,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:39:15,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:39:15,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:15" (1/1) ... [2022-11-23 15:39:15,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:15" (1/1) ... [2022-11-23 15:39:15,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:15" (1/1) ... [2022-11-23 15:39:15,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:15" (1/1) ... [2022-11-23 15:39:15,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:15" (1/1) ... [2022-11-23 15:39:15,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:15" (1/1) ... [2022-11-23 15:39:15,529 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:15" (1/1) ... [2022-11-23 15:39:15,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:15" (1/1) ... [2022-11-23 15:39:15,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:39:15,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:39:15,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:39:15,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:39:15,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:15" (1/1) ... [2022-11-23 15:39:15,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:39:15,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:39:15,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:39:15,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:39:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:39:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-23 15:39:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2022-11-23 15:39:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2022-11-23 15:39:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-23 15:39:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 15:39:15,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-23 15:39:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:39:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-11-23 15:39:15,673 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-11-23 15:39:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-11-23 15:39:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 15:39:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2022-11-23 15:39:15,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2022-11-23 15:39:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-11-23 15:39:15,675 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-11-23 15:39:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:39:15,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:39:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 15:39:15,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:39:15,996 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:39:15,999 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:40:28,194 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:40:28,206 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:40:28,206 INFO L300 CfgBuilder]: Removed 67 assume(true) statements. [2022-11-23 15:40:28,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:28 BoogieIcfgContainer [2022-11-23 15:40:28,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:40:28,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:40:28,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:40:28,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:40:28,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:39:14" (1/3) ... [2022-11-23 15:40:28,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15286cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:40:28, skipping insertion in model container [2022-11-23 15:40:28,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:15" (2/3) ... [2022-11-23 15:40:28,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15286cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:40:28, skipping insertion in model container [2022-11-23 15:40:28,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:28" (3/3) ... [2022-11-23 15:40:28,222 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0530b.c [2022-11-23 15:40:28,247 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:40:28,247 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:40:28,319 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:40:28,328 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;@7cc61abb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:40:28,328 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:40:28,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 252 states, 235 states have (on average 1.672340425531915) internal successors, (393), 236 states have internal predecessors, (393), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 15:40:28,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 15:40:28,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:40:28,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:40:28,345 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:40:28,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:40:28,351 INFO L85 PathProgramCache]: Analyzing trace with hash 629578045, now seen corresponding path program 1 times [2022-11-23 15:40:28,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:40:28,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194889309] [2022-11-23 15:40:28,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:40:28,372 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:40:28,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:40:28,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:40:28,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 15:40:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:40:29,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 15:40:29,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:40:29,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:40:29,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:40:29,140 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:40:29,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194889309] [2022-11-23 15:40:29,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194889309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:40:29,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:40:29,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:40:29,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538197923] [2022-11-23 15:40:29,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:40:29,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:40:29,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:40:29,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:40:29,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:40:29,212 INFO L87 Difference]: Start difference. First operand has 252 states, 235 states have (on average 1.672340425531915) internal successors, (393), 236 states have internal predecessors, (393), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:40:29,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:40:29,340 INFO L93 Difference]: Finished difference Result 502 states and 839 transitions. [2022-11-23 15:40:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:40:29,344 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-23 15:40:29,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:40:29,369 INFO L225 Difference]: With dead ends: 502 [2022-11-23 15:40:29,372 INFO L226 Difference]: Without dead ends: 249 [2022-11-23 15:40:29,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:40:29,399 INFO L413 NwaCegarLoop]: 347 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:40:29,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:40:29,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-11-23 15:40:29,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-11-23 15:40:29,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 233 states have (on average 1.3819742489270386) internal successors, (322), 233 states have internal predecessors, (322), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 15:40:29,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 344 transitions. [2022-11-23 15:40:29,495 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 344 transitions. Word has length 10 [2022-11-23 15:40:29,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:40:29,495 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 344 transitions. [2022-11-23 15:40:29,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:40:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 344 transitions. [2022-11-23 15:40:29,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 15:40:29,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:40:29,497 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:40:29,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:40:29,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:40:29,698 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:40:29,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:40:29,699 INFO L85 PathProgramCache]: Analyzing trace with hash -673067400, now seen corresponding path program 1 times [2022-11-23 15:40:29,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:40:29,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464006385] [2022-11-23 15:40:29,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:40:29,701 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:40:29,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:40:29,703 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:40:29,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 15:40:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:40:30,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-23 15:40:30,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:40:31,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:40:31,685 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:40:31,686 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:40:31,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464006385] [2022-11-23 15:40:31,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [464006385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:40:31,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:40:31,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:40:31,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740883454] [2022-11-23 15:40:31,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:40:31,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:40:31,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:40:31,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:40:31,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:40:31,690 INFO L87 Difference]: Start difference. First operand 249 states and 344 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:40:34,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:40:37,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:40:37,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:40:37,102 INFO L93 Difference]: Finished difference Result 291 states and 392 transitions. [2022-11-23 15:40:37,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:40:37,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 15:40:37,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:40:37,105 INFO L225 Difference]: With dead ends: 291 [2022-11-23 15:40:37,105 INFO L226 Difference]: Without dead ends: 50 [2022-11-23 15:40:37,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:40:37,108 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 25 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:40:37,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 185 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2022-11-23 15:40:37,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-23 15:40:37,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-23 15:40:37,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 45 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:40:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2022-11-23 15:40:37,116 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 11 [2022-11-23 15:40:37,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:40:37,116 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2022-11-23 15:40:37,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:40:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2022-11-23 15:40:37,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 15:40:37,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:40:37,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:40:37,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:40:37,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:40:37,336 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:40:37,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:40:37,336 INFO L85 PathProgramCache]: Analyzing trace with hash -565515880, now seen corresponding path program 1 times [2022-11-23 15:40:37,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:40:37,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1581852552] [2022-11-23 15:40:37,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:40:37,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:40:37,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:40:37,340 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:40:37,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-23 15:40:37,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 139 [2022-11-23 15:40:37,789 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 30 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 37 more [2022-11-23 15:40:37,795 INFO L158 Benchmark]: Toolchain (without parser) took 83390.29ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 48.1MB in the end (delta: 12.7MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2022-11-23 15:40:37,796 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory was 33.8MB in the beginning and 33.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:40:37,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 806.97ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 53.4MB in the end (delta: 7.1MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-11-23 15:40:37,797 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.07ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 47.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 15:40:37,797 INFO L158 Benchmark]: Boogie Preprocessor took 158.24ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 39.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 15:40:37,798 INFO L158 Benchmark]: RCFGBuilder took 72663.71ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 48.3MB in the end (delta: -8.5MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-11-23 15:40:37,799 INFO L158 Benchmark]: TraceAbstraction took 9580.30ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 48.1MB in the end (delta: -293.4kB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-11-23 15:40:37,801 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 56.6MB. Free memory was 33.8MB in the beginning and 33.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 806.97ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 53.4MB in the end (delta: 7.1MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 173.07ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 47.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.24ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 39.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 72663.71ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 48.3MB in the end (delta: -8.5MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * TraceAbstraction took 9580.30ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 48.1MB in the end (delta: -293.4kB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-23 15:40:38,047 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-23 15:40:38,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb27f3be-c5db-4b00-aae0-be46b634e2e1/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4) with exit command (exit)) Received EOF on stdin. No stderr output.