./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6 --- 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-e04fb08 [2022-11-16 12:07:43,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:07:43,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:07:43,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:07:43,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:07:43,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:07:43,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:07:43,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:07:43,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:07:43,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:07:43,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:07:43,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:07:43,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:07:43,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:07:43,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:07:43,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:07:43,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:07:43,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:07:43,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:07:43,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:07:43,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:07:43,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:07:43,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:07:43,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:07:43,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:07:43,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:07:43,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:07:43,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:07:43,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:07:43,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:07:43,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:07:43,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:07:43,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:07:43,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:07:43,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:07:43,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:07:43,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:07:43,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:07:43,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:07:43,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:07:43,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:07:43,742 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:07:43,807 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:07:43,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:07:43,808 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:07:43,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:07:43,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:07:43,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:07:43,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:07:43,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:07:43,812 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:07:43,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:07:43,813 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:07:43,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:07:43,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:07:43,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:07:43,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:07:43,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:07:43,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:07:43,816 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:07:43,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:07:43,816 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:07:43,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:07:43,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:07:43,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:07:43,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:07:43,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:07:43,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:07:43,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:07:43,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:07:43,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:07:43,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:07:43,821 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:07:43,822 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:07:43,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:07:43,822 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_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6 [2022-11-16 12:07:44,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:07:44,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:07:44,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:07:44,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:07:44,204 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:07:44,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2022-11-16 12:07:44,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/data/5ce118da1/993c202f8cc04e828df544a1a1029f2e/FLAG5f65b842f [2022-11-16 12:07:44,842 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:07:44,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2022-11-16 12:07:44,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/data/5ce118da1/993c202f8cc04e828df544a1a1029f2e/FLAG5f65b842f [2022-11-16 12:07:45,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/data/5ce118da1/993c202f8cc04e828df544a1a1029f2e [2022-11-16 12:07:45,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:07:45,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:07:45,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:07:45,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:07:45,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:07:45,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:07:45" (1/1) ... [2022-11-16 12:07:45,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350c6b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:45, skipping insertion in model container [2022-11-16 12:07:45,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:07:45" (1/1) ... [2022-11-16 12:07:45,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:07:45,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:07:45,544 WARN L229 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_49f67355-489a-446b-b3e8-dfae2604ad14/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461] [2022-11-16 12:07:45,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:07:45,559 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:07:45,612 WARN L229 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_49f67355-489a-446b-b3e8-dfae2604ad14/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461] [2022-11-16 12:07:45,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:07:45,631 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:07:45,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:45 WrapperNode [2022-11-16 12:07:45,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:07:45,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:07:45,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:07:45,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:07:45,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:45" (1/1) ... [2022-11-16 12:07:45,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:45" (1/1) ... [2022-11-16 12:07:45,684 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 140 [2022-11-16 12:07:45,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:07:45,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:07:45,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:07:45,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:07:45,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:45" (1/1) ... [2022-11-16 12:07:45,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:45" (1/1) ... [2022-11-16 12:07:45,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:45" (1/1) ... [2022-11-16 12:07:45,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:45" (1/1) ... [2022-11-16 12:07:45,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:45" (1/1) ... [2022-11-16 12:07:45,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:45" (1/1) ... [2022-11-16 12:07:45,727 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:45" (1/1) ... [2022-11-16 12:07:45,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:45" (1/1) ... [2022-11-16 12:07:45,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:07:45,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:07:45,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:07:45,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:07:45,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:45" (1/1) ... [2022-11-16 12:07:45,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:07:45,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:07:45,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:07:45,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:07:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:07:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:07:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:07:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-16 12:07:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:07:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-16 12:07:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:07:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:07:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:07:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:07:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2022-11-16 12:07:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2022-11-16 12:07:45,961 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:07:45,964 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:07:46,456 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:07:46,465 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:07:46,466 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-16 12:07:46,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:07:46 BoogieIcfgContainer [2022-11-16 12:07:46,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:07:46,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:07:46,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:07:46,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:07:46,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:07:45" (1/3) ... [2022-11-16 12:07:46,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7225de2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:07:46, skipping insertion in model container [2022-11-16 12:07:46,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:45" (2/3) ... [2022-11-16 12:07:46,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7225de2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:07:46, skipping insertion in model container [2022-11-16 12:07:46,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:07:46" (3/3) ... [2022-11-16 12:07:46,481 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2022-11-16 12:07:46,509 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:07:46,509 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:07:46,598 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:07:46,607 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7313e616, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:07:46,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:07:46,623 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 55 states have (on average 1.690909090909091) internal successors, (93), 56 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:07:46,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 12:07:46,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:07:46,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:07:46,636 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:07:46,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:07:46,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1192400116, now seen corresponding path program 1 times [2022-11-16 12:07:46,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:07:46,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784952956] [2022-11-16 12:07:46,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:07:46,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:07:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:46,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:07:46,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:07:46,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784952956] [2022-11-16 12:07:46,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784952956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:07:46,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:07:46,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:07:46,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086124946] [2022-11-16 12:07:46,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:07:46,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:07:46,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:07:46,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:07:46,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:07:46,920 INFO L87 Difference]: Start difference. First operand has 60 states, 55 states have (on average 1.690909090909091) internal successors, (93), 56 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2022-11-16 12:07:46,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:07:46,957 INFO L93 Difference]: Finished difference Result 117 states and 192 transitions. [2022-11-16 12:07:46,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:07:46,960 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 [2022-11-16 12:07:46,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:07:46,992 INFO L225 Difference]: With dead ends: 117 [2022-11-16 12:07:46,992 INFO L226 Difference]: Without dead ends: 56 [2022-11-16 12:07:46,996 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 [2022-11-16 12:07:47,001 INFO L413 NwaCegarLoop]: 83 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, 83 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 [2022-11-16 12:07:47,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:07:47,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-16 12:07:47,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-16 12:07:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 52 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:07:47,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2022-11-16 12:07:47,063 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 11 [2022-11-16 12:07:47,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:07:47,064 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2022-11-16 12:07:47,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2022-11-16 12:07:47,064 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2022-11-16 12:07:47,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 12:07:47,065 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:07:47,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:07:47,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:07:47,066 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:07:47,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:07:47,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1076708748, now seen corresponding path program 1 times [2022-11-16 12:07:47,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:07:47,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230980094] [2022-11-16 12:07:47,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:07:47,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:07:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:07:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:07:47,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:07:47,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230980094] [2022-11-16 12:07:47,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230980094] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:07:47,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:07:47,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:07:47,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887036740] [2022-11-16 12:07:47,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:07:47,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:07:47,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:07:47,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:07:47,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:07:47,223 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:07:47,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:07:47,280 INFO L93 Difference]: Finished difference Result 110 states and 151 transitions. [2022-11-16 12:07:47,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:07:47,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-16 12:07:47,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:07:47,283 INFO L225 Difference]: With dead ends: 110 [2022-11-16 12:07:47,283 INFO L226 Difference]: Without dead ends: 65 [2022-11-16 12:07:47,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:07:47,286 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 7 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:07:47,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 144 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:07:47,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-16 12:07:47,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 60. [2022-11-16 12:07:47,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 56 states have internal predecessors, (78), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:07:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 82 transitions. [2022-11-16 12:07:47,298 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 82 transitions. Word has length 12 [2022-11-16 12:07:47,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:07:47,299 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 82 transitions. [2022-11-16 12:07:47,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:07:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2022-11-16 12:07:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 12:07:47,305 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:07:47,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:07:47,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:07:47,306 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:07:47,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:07:47,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1390419247, now seen corresponding path program 1 times [2022-11-16 12:07:47,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:07:47,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251821037] [2022-11-16 12:07:47,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:07:47,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:07:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:07:47,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:07:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:07:47,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:07:47,447 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:07:47,448 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:07:47,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:07:47,456 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-16 12:07:47,461 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:07:47,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:07:47 BoogieIcfgContainer [2022-11-16 12:07:47,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:07:47,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:07:47,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:07:47,499 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:07:47,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:07:46" (3/4) ... [2022-11-16 12:07:47,504 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:07:47,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:07:47,508 INFO L158 Benchmark]: Toolchain (without parser) took 2293.55ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 62.7MB in the beginning and 90.3MB in the end (delta: -27.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-11-16 12:07:47,509 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 107.0MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:07:47,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.17ms. Allocated memory is still 107.0MB. Free memory was 62.5MB in the beginning and 78.4MB in the end (delta: -15.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-16 12:07:47,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.62ms. Allocated memory is still 107.0MB. Free memory was 78.4MB in the beginning and 76.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:07:47,511 INFO L158 Benchmark]: Boogie Preprocessor took 47.70ms. Allocated memory is still 107.0MB. Free memory was 76.3MB in the beginning and 74.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:07:47,512 INFO L158 Benchmark]: RCFGBuilder took 734.70ms. Allocated memory is still 107.0MB. Free memory was 74.2MB in the beginning and 54.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 12:07:47,513 INFO L158 Benchmark]: TraceAbstraction took 1025.92ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 53.7MB in the beginning and 90.3MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:07:47,513 INFO L158 Benchmark]: Witness Printer took 5.59ms. Allocated memory is still 138.4MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:07:47,517 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 107.0MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.17ms. Allocated memory is still 107.0MB. Free memory was 62.5MB in the beginning and 78.4MB in the end (delta: -15.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.62ms. Allocated memory is still 107.0MB. Free memory was 78.4MB in the beginning and 76.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.70ms. Allocated memory is still 107.0MB. Free memory was 76.3MB in the beginning and 74.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 734.70ms. Allocated memory is still 107.0MB. Free memory was 74.2MB in the beginning and 54.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1025.92ms. Allocated memory was 107.0MB in the beginning and 138.4MB in the end (delta: 31.5MB). Free memory was 53.7MB in the beginning and 90.3MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.59ms. Allocated memory is still 138.4MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 179]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 90, overapproximation of someBinaryArithmeticFLOAToperation at line 110. Possible FailurePath: [L86-L93] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L86-L93] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L171] float x = __VERIFIER_nondet_float(); [L173] COND TRUE x < -1.0f || x > 1.0f [L175] CALL, EXPR __ieee754_acosf(x) [L96] float z, p, q, r, w, s, c, df; [L97] __int32_t hx, ix; VAL [\old(x)=6442450952, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450952] [L99] ieee_float_shape_type gf_u; [L100] gf_u.value = (x) [L101] EXPR gf_u.word [L101] (hx) = gf_u.word [L103] ix = hx & 0x7fffffff VAL [\old(x)=6442450952, hx=2147483647, ix=2147483647, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450952] [L104] COND FALSE !(ix == 0x3f800000) VAL [\old(x)=6442450952, hx=2147483647, ix=2147483647, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450952] [L109] COND TRUE ix > 0x3f800000 [L110] return (x - x) / (x - x); VAL [\old(x)=6442450952, hx=2147483647, ix=2147483647, one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450952] [L175] RET, EXPR __ieee754_acosf(x) [L175] float res = __ieee754_acosf(x); [L178] CALL, EXPR isnan_float(res) [L15] return x != x; VAL [\old(x)=6442450951, \result=0, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450951] [L178] RET, EXPR isnan_float(res) [L178] COND TRUE !isnan_float(res) [L179] reach_error() VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=6442450951, tiny_sqrt=1/1000000000000000000000000000000, x=6442450952] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 227 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 161 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2022-11-16 12:07:47,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6 --- 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-e04fb08 [2022-11-16 12:07:50,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:07:50,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:07:50,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:07:50,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:07:50,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:07:50,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:07:50,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:07:50,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:07:50,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:07:50,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:07:50,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:07:50,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:07:50,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:07:50,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:07:50,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:07:50,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:07:50,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:07:50,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:07:50,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:07:50,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:07:50,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:07:50,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:07:50,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:07:50,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:07:50,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:07:50,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:07:50,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:07:50,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:07:50,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:07:50,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:07:50,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:07:50,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:07:50,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:07:50,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:07:50,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:07:50,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:07:50,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:07:50,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:07:50,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:07:50,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:07:50,567 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-16 12:07:50,632 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:07:50,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:07:50,634 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:07:50,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:07:50,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:07:50,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:07:50,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:07:50,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:07:50,639 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:07:50,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:07:50,640 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:07:50,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:07:50,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:07:50,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:07:50,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:07:50,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:07:50,642 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:07:50,642 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 12:07:50,643 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 12:07:50,643 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:07:50,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:07:50,643 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:07:50,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:07:50,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:07:50,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:07:50,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:07:50,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:07:50,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:07:50,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:07:50,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:07:50,646 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 12:07:50,647 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 12:07:50,647 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:07:50,647 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:07:50,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:07:50,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 12:07:50,648 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_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc594f44ad0729bd9d85d86feb52e9af302c4e40f47b2c0544c13a53d32d37d6 [2022-11-16 12:07:51,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:07:51,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:07:51,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:07:51,126 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:07:51,127 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:07:51,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2022-11-16 12:07:51,223 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/data/fca865942/29678dd2f49b43c2a25afa2a8f1f2972/FLAG079c53507 [2022-11-16 12:07:51,819 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:07:51,820 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/sv-benchmarks/c/float-newlib/float_req_bl_0460.c [2022-11-16 12:07:51,829 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/data/fca865942/29678dd2f49b43c2a25afa2a8f1f2972/FLAG079c53507 [2022-11-16 12:07:52,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/data/fca865942/29678dd2f49b43c2a25afa2a8f1f2972 [2022-11-16 12:07:52,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:07:52,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:07:52,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:07:52,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:07:52,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:07:52,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:07:52" (1/1) ... [2022-11-16 12:07:52,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ba700a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:52, skipping insertion in model container [2022-11-16 12:07:52,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:07:52" (1/1) ... [2022-11-16 12:07:52,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:07:52,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:07:52,535 WARN L229 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_49f67355-489a-446b-b3e8-dfae2604ad14/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461] [2022-11-16 12:07:52,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:07:52,567 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:07:52,665 WARN L229 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_49f67355-489a-446b-b3e8-dfae2604ad14/sv-benchmarks/c/float-newlib/float_req_bl_0460.c[4448,4461] [2022-11-16 12:07:52,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:07:52,692 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:07:52,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:52 WrapperNode [2022-11-16 12:07:52,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:07:52,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:07:52,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:07:52,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:07:52,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:52" (1/1) ... [2022-11-16 12:07:52,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:52" (1/1) ... [2022-11-16 12:07:52,784 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 133 [2022-11-16 12:07:52,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:07:52,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:07:52,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:07:52,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:07:52,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:52" (1/1) ... [2022-11-16 12:07:52,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:52" (1/1) ... [2022-11-16 12:07:52,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:52" (1/1) ... [2022-11-16 12:07:52,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:52" (1/1) ... [2022-11-16 12:07:52,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:52" (1/1) ... [2022-11-16 12:07:52,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:52" (1/1) ... [2022-11-16 12:07:52,864 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:52" (1/1) ... [2022-11-16 12:07:52,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:52" (1/1) ... [2022-11-16 12:07:52,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:07:52,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:07:52,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:07:52,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:07:52,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:52" (1/1) ... [2022-11-16 12:07:52,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:07:52,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:07:52,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:07:52,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:07:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:07:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 12:07:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:07:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-16 12:07:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 12:07:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:07:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:07:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-16 12:07:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 12:07:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:07:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2022-11-16 12:07:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2022-11-16 12:07:53,175 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:07:53,177 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:08:04,508 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:08:04,516 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:08:04,517 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-16 12:08:04,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:08:04 BoogieIcfgContainer [2022-11-16 12:08:04,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:08:04,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:08:04,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:08:04,527 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:08:04,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:07:52" (1/3) ... [2022-11-16 12:08:04,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2610783c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:08:04, skipping insertion in model container [2022-11-16 12:08:04,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:07:52" (2/3) ... [2022-11-16 12:08:04,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2610783c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:08:04, skipping insertion in model container [2022-11-16 12:08:04,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:08:04" (3/3) ... [2022-11-16 12:08:04,531 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460.c [2022-11-16 12:08:04,555 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:08:04,555 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:08:04,628 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:08:04,639 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@28dd060c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:08:04,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:08:04,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 51 states have (on average 1.6274509803921569) internal successors, (83), 52 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:08:04,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 12:08:04,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:08:04,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:08:04,654 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:08:04,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:08:04,662 INFO L85 PathProgramCache]: Analyzing trace with hash 824856554, now seen corresponding path program 1 times [2022-11-16 12:08:04,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:08:04,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745709629] [2022-11-16 12:08:04,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:08:04,679 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 [2022-11-16 12:08:04,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:08:04,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:08:04,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:08:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:05,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 12:08:05,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:08:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:08:05,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:08:05,412 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:08:05,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745709629] [2022-11-16 12:08:05,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745709629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:08:05,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:08:05,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:08:05,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747729315] [2022-11-16 12:08:05,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:08:05,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:08:05,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:08:05,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:08:05,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:08:05,481 INFO L87 Difference]: Start difference. First operand has 56 states, 51 states have (on average 1.6274509803921569) internal successors, (83), 52 states have internal predecessors, (83), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2022-11-16 12:08:05,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:08:05,518 INFO L93 Difference]: Finished difference Result 109 states and 172 transitions. [2022-11-16 12:08:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:08:05,525 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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 [2022-11-16 12:08:05,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:08:05,540 INFO L225 Difference]: With dead ends: 109 [2022-11-16 12:08:05,541 INFO L226 Difference]: Without dead ends: 52 [2022-11-16 12:08:05,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:08:05,553 INFO L413 NwaCegarLoop]: 74 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, 74 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 [2022-11-16 12:08:05,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:08:05,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-16 12:08:05,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-16 12:08:05,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 48 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:08:05,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 69 transitions. [2022-11-16 12:08:05,628 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 69 transitions. Word has length 11 [2022-11-16 12:08:05,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:08:05,629 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 69 transitions. [2022-11-16 12:08:05,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 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) [2022-11-16 12:08:05,631 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-11-16 12:08:05,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 12:08:05,633 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:08:05,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:08:05,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:08:05,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:08:05,859 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:08:05,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:08:05,860 INFO L85 PathProgramCache]: Analyzing trace with hash 940547922, now seen corresponding path program 1 times [2022-11-16 12:08:05,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:08:05,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270099410] [2022-11-16 12:08:05,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:08:05,862 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 [2022-11-16 12:08:05,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:08:05,869 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:08:05,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:08:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:06,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 12:08:06,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:08:09,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:08:09,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:08:09,516 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:08:09,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270099410] [2022-11-16 12:08:09,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270099410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:08:09,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:08:09,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:08:09,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090424305] [2022-11-16 12:08:09,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:08:09,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:08:09,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:08:09,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:08:09,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:08:09,521 INFO L87 Difference]: Start difference. First operand 52 states and 69 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:08:09,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:08:09,541 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2022-11-16 12:08:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:08:09,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-16 12:08:09,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:08:09,543 INFO L225 Difference]: With dead ends: 57 [2022-11-16 12:08:09,543 INFO L226 Difference]: Without dead ends: 51 [2022-11-16 12:08:09,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:08:09,545 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:08:09,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 236 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 17 Unchecked, 0.0s Time] [2022-11-16 12:08:09,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-16 12:08:09,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-16 12:08:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 47 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:08:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2022-11-16 12:08:09,572 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 12 [2022-11-16 12:08:09,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:08:09,573 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2022-11-16 12:08:09,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:08:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2022-11-16 12:08:09,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 12:08:09,577 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:08:09,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:08:09,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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)] Ended with exit code 0 [2022-11-16 12:08:09,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:08:09,804 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:08:09,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:08:09,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1147416626, now seen corresponding path program 1 times [2022-11-16 12:08:09,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:08:09,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2045955761] [2022-11-16 12:08:09,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:08:09,806 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 [2022-11-16 12:08:09,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:08:09,809 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:08:09,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:08:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:10,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:08:10,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:08:16,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:08:16,586 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:08:16,587 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:08:16,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2045955761] [2022-11-16 12:08:16,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2045955761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:08:16,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:08:16,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:08:16,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402587749] [2022-11-16 12:08:16,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:08:16,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:08:16,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:08:16,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:08:16,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:08:16,598 INFO L87 Difference]: Start difference. First operand 51 states and 66 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:08:23,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 12:08:26,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 12:08:30,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 12:08:33,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 12:08:34,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:08:34,375 INFO L93 Difference]: Finished difference Result 83 states and 107 transitions. [2022-11-16 12:08:34,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:08:34,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-16 12:08:34,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:08:34,383 INFO L225 Difference]: With dead ends: 83 [2022-11-16 12:08:34,383 INFO L226 Difference]: Without dead ends: 78 [2022-11-16 12:08:34,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:08:34,385 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 50 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:08:34,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 246 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 4 Unknown, 10 Unchecked, 14.4s Time] [2022-11-16 12:08:34,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-16 12:08:34,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2022-11-16 12:08:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 72 states have internal predecessors, (97), 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) [2022-11-16 12:08:34,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 101 transitions. [2022-11-16 12:08:34,399 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 101 transitions. Word has length 12 [2022-11-16 12:08:34,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:08:34,399 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 101 transitions. [2022-11-16 12:08:34,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:08:34,400 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2022-11-16 12:08:34,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 12:08:34,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:08:34,401 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:08:34,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:08:34,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:08:34,609 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:08:34,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:08:34,610 INFO L85 PathProgramCache]: Analyzing trace with hash -604648969, now seen corresponding path program 1 times [2022-11-16 12:08:34,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:08:34,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1689993746] [2022-11-16 12:08:34,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:08:34,611 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 [2022-11-16 12:08:34,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:08:34,613 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:08:34,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 12:08:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:08:35,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 12:08:35,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:08:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:08:38,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:08:38,415 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:08:38,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1689993746] [2022-11-16 12:08:38,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1689993746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:08:38,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:08:38,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:08:38,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590825702] [2022-11-16 12:08:38,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:08:38,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:08:38,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:08:38,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:08:38,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:08:38,418 INFO L87 Difference]: Start difference. First operand 77 states and 101 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:08:38,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:08:38,432 INFO L93 Difference]: Finished difference Result 77 states and 101 transitions. [2022-11-16 12:08:38,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:08:38,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-16 12:08:38,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:08:38,433 INFO L225 Difference]: With dead ends: 77 [2022-11-16 12:08:38,434 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:08:38,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:08:38,436 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:08:38,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2022-11-16 12:08:38,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:08:38,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:08:38,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:08:38,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:08:38,439 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-16 12:08:38,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:08:38,440 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:08:38,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:08:38,440 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:08:38,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:08:38,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:08:38,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:08:38,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:08:38,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:08:40,605 INFO L902 garLoopResultBuilder]: At program point L184(lines 164 185) the Hoare annotation is: true [2022-11-16 12:08:40,606 INFO L895 garLoopResultBuilder]: At program point L15(line 15) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|) [2022-11-16 12:08:40,606 INFO L895 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: false [2022-11-16 12:08:40,606 INFO L899 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2022-11-16 12:08:40,606 INFO L899 garLoopResultBuilder]: For program point L98-1(lines 98 102) no Hoare annotation was computed. [2022-11-16 12:08:40,606 INFO L895 garLoopResultBuilder]: At program point L98-2(lines 98 102) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.gt |ULTIMATE.start___ieee754_acosf_~x#1| ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start___ieee754_acosf_~x#1| (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0))))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-16 12:08:40,607 INFO L895 garLoopResultBuilder]: At program point L160(lines 95 162) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((|ULTIMATE.start___ieee754_acosf_~x#1| (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.sub roundNearestTiesToEven |ULTIMATE.start___ieee754_acosf_~x#1| |ULTIMATE.start___ieee754_acosf_~x#1|))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_acosf_#res#1|))) [2022-11-16 12:08:40,607 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:08:40,607 INFO L899 garLoopResultBuilder]: For program point L98-3(lines 98 102) no Hoare annotation was computed. [2022-11-16 12:08:40,607 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:08:40,607 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:08:40,608 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2022-11-16 12:08:40,608 INFO L899 garLoopResultBuilder]: For program point L173(lines 173 182) no Hoare annotation was computed. [2022-11-16 12:08:40,608 INFO L899 garLoopResultBuilder]: For program point L173-2(lines 173 182) no Hoare annotation was computed. [2022-11-16 12:08:40,608 INFO L895 garLoopResultBuilder]: At program point L132(line 132) the Hoare annotation is: false [2022-11-16 12:08:40,608 INFO L899 garLoopResultBuilder]: For program point L132-1(line 132) no Hoare annotation was computed. [2022-11-16 12:08:40,608 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:08:40,609 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 161) no Hoare annotation was computed. [2022-11-16 12:08:40,609 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 181) no Hoare annotation was computed. [2022-11-16 12:08:40,609 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 161) no Hoare annotation was computed. [2022-11-16 12:08:40,609 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 141 145) no Hoare annotation was computed. [2022-11-16 12:08:40,609 INFO L895 garLoopResultBuilder]: At program point L141-2(lines 141 145) the Hoare annotation is: false [2022-11-16 12:08:40,609 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 111) no Hoare annotation was computed. [2022-11-16 12:08:40,610 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-11-16 12:08:40,610 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 150) no Hoare annotation was computed. [2022-11-16 12:08:40,610 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 114) no Hoare annotation was computed. [2022-11-16 12:08:40,610 INFO L895 garLoopResultBuilder]: At program point L146-1(lines 136 161) the Hoare annotation is: false [2022-11-16 12:08:40,610 INFO L899 garLoopResultBuilder]: For program point L146-2(lines 146 150) no Hoare annotation was computed. [2022-11-16 12:08:40,610 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 111) no Hoare annotation was computed. [2022-11-16 12:08:40,611 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 108) no Hoare annotation was computed. [2022-11-16 12:08:40,611 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2022-11-16 12:08:40,611 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 44) no Hoare annotation was computed. [2022-11-16 12:08:40,611 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2022-11-16 12:08:40,611 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-11-16 12:08:40,611 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 61) no Hoare annotation was computed. [2022-11-16 12:08:40,611 INFO L899 garLoopResultBuilder]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2022-11-16 12:08:40,612 INFO L899 garLoopResultBuilder]: For program point L57-2(lines 57 61) no Hoare annotation was computed. [2022-11-16 12:08:40,612 INFO L902 garLoopResultBuilder]: At program point L24-2(lines 24 28) the Hoare annotation is: true [2022-11-16 12:08:40,612 INFO L899 garLoopResultBuilder]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2022-11-16 12:08:40,612 INFO L902 garLoopResultBuilder]: At program point __ieee754_sqrtfENTRY(lines 19 84) the Hoare annotation is: true [2022-11-16 12:08:40,612 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2022-11-16 12:08:40,612 INFO L902 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: true [2022-11-16 12:08:40,613 INFO L899 garLoopResultBuilder]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2022-11-16 12:08:40,613 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtfFINAL(lines 19 84) no Hoare annotation was computed. [2022-11-16 12:08:40,613 INFO L899 garLoopResultBuilder]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2022-11-16 12:08:40,613 INFO L902 garLoopResultBuilder]: At program point L41-3(lines 41 42) the Hoare annotation is: true [2022-11-16 12:08:40,613 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 73) no Hoare annotation was computed. [2022-11-16 12:08:40,613 INFO L899 garLoopResultBuilder]: For program point L41-4(lines 41 42) no Hoare annotation was computed. [2022-11-16 12:08:40,613 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 75) no Hoare annotation was computed. [2022-11-16 12:08:40,614 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtfEXIT(lines 19 84) no Hoare annotation was computed. [2022-11-16 12:08:40,614 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 35) no Hoare annotation was computed. [2022-11-16 12:08:40,614 INFO L902 garLoopResultBuilder]: At program point L55-2(lines 55 64) the Hoare annotation is: true [2022-11-16 12:08:40,614 INFO L899 garLoopResultBuilder]: For program point L55-3(lines 19 84) no Hoare annotation was computed. [2022-11-16 12:08:40,614 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2022-11-16 12:08:40,614 INFO L899 garLoopResultBuilder]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2022-11-16 12:08:40,615 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 74) no Hoare annotation was computed. [2022-11-16 12:08:40,619 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-16 12:08:40,621 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:08:40,638 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 12:08:40,648 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 12:08:40,648 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,651 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 12:08:40,654 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 12:08:40,654 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,655 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,657 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,657 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,657 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,657 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,658 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,660 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,660 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,661 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,661 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,661 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,663 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,664 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,665 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,665 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,665 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:08:40 BoogieIcfgContainer [2022-11-16 12:08:40,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:08:40,668 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:08:40,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:08:40,668 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:08:40,669 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:08:04" (3/4) ... [2022-11-16 12:08:40,673 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:08:40,681 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2022-11-16 12:08:40,691 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-16 12:08:40,692 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:08:40,697 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 12:08:40,698 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:08:40,733 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-16 12:08:40,734 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_acosf_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x#1, ULTIMATE.start___ieee754_acosf_~x#1), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x#1, ULTIMATE.start___ieee754_acosf_~x#1)) == \result) [2022-11-16 12:08:40,736 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 1bv32 == \result [2022-11-16 12:08:40,786 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:08:40,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:08:40,788 INFO L158 Benchmark]: Toolchain (without parser) took 48596.16ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 45.3MB in the beginning and 56.8MB in the end (delta: -11.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-11-16 12:08:40,789 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:08:40,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.46ms. Allocated memory is still 65.0MB. Free memory was 45.0MB in the beginning and 46.7MB in the end (delta: -1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:08:40,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.00ms. Allocated memory is still 65.0MB. Free memory was 46.7MB in the beginning and 44.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:08:40,790 INFO L158 Benchmark]: Boogie Preprocessor took 85.41ms. Allocated memory is still 65.0MB. Free memory was 44.5MB in the beginning and 42.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:08:40,791 INFO L158 Benchmark]: RCFGBuilder took 11648.58ms. Allocated memory is still 65.0MB. Free memory was 42.0MB in the beginning and 41.3MB in the end (delta: 749.4kB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-11-16 12:08:40,791 INFO L158 Benchmark]: TraceAbstraction took 36144.61ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 40.5MB in the beginning and 61.6MB in the end (delta: -21.1MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-11-16 12:08:40,792 INFO L158 Benchmark]: Witness Printer took 118.59ms. Allocated memory is still 88.1MB. Free memory was 61.6MB in the beginning and 56.8MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:08:40,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.46ms. Allocated memory is still 65.0MB. Free memory was 45.0MB in the beginning and 46.7MB in the end (delta: -1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.00ms. Allocated memory is still 65.0MB. Free memory was 46.7MB in the beginning and 44.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.41ms. Allocated memory is still 65.0MB. Free memory was 44.5MB in the beginning and 42.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11648.58ms. Allocated memory is still 65.0MB. Free memory was 42.0MB in the beginning and 41.3MB in the end (delta: 749.4kB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * TraceAbstraction took 36144.61ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 40.5MB in the beginning and 61.6MB in the end (delta: -21.1MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Witness Printer took 118.59ms. Allocated memory is still 88.1MB. Free memory was 61.6MB in the beginning and 56.8MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 179]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 14.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 568 SdHoareTripleChecker+Invalid, 13.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 32 IncrementalHoareTripleChecker+Unchecked, 374 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 194 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 12.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 28 PreInvPairs, 32 NumberOfFragments, 48 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 45 ConstructedInterpolants, 10 QuantifiedInterpolants, 255 SizeOfPredicates, 20 NumberOfNonLiveVariables, 226 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 98]: Loop Invariant [2022-11-16 12:08:40,829 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 12:08:40,829 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 12:08:40,829 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,830 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 12:08:40,830 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 12:08:40,830 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 95]: Loop Invariant [2022-11-16 12:08:40,832 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,832 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,834 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,834 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,834 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,835 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,835 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,835 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,835 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,836 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,836 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,836 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,836 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,836 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 12:08:40,837 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] [2022-11-16 12:08:40,837 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_acosf_~x#1,QUANTIFIED] Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_acosf_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x#1, ULTIMATE.start___ieee754_acosf_~x#1), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_acosf_~x#1, ULTIMATE.start___ieee754_acosf_~x#1)) == \result) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-16 12:08:41,067 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-16 12:08:41,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f67355-489a-446b-b3e8-dfae2604ad14/bin/uautomizer-tPACEb0tL8/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: TRUE