./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 21a1125ae0cc2adce78274abe3bb5e8e98d6a4c7db57dc682e7d7594a508e739 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:01:14,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:01:14,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 01:01:14,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:01:14,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:01:14,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:01:14,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:01:14,795 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:01:14,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:01:14,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:01:14,797 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:01:14,798 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:01:14,799 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:01:14,799 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:01:14,800 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:01:14,800 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:01:14,801 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:01:14,802 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:01:14,802 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:01:14,803 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:01:14,804 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:01:14,804 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:01:14,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:01:14,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:01:14,806 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:01:14,807 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:01:14,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:01:14,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:01:14,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:01:14,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:01:14,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:01:14,810 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:01:14,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:01:14,811 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:01:14,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:01:14,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:01:14,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:14,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:01:14,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:01:14,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:01:14,815 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:01:14,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:01:14,816 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:01:14,817 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:01:14,817 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:01:14,818 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21a1125ae0cc2adce78274abe3bb5e8e98d6a4c7db57dc682e7d7594a508e739 [2023-11-12 01:01:15,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:01:15,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:01:15,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:01:15,155 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:01:15,156 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:01:15,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-1.i [2023-11-12 01:01:18,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:01:18,584 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:01:18,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-1.i [2023-11-12 01:01:18,595 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/data/a4cb74814/8ccd0730e2bb40d690a23a3b8403d352/FLAG072804828 [2023-11-12 01:01:18,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/data/a4cb74814/8ccd0730e2bb40d690a23a3b8403d352 [2023-11-12 01:01:18,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:01:18,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:01:18,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:18,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:01:18,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:01:18,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:18" (1/1) ... [2023-11-12 01:01:18,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b674368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:18, skipping insertion in model container [2023-11-12 01:01:18,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:18" (1/1) ... [2023-11-12 01:01:18,676 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:01:18,856 WARN L240 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_a2aa4f4e-4361-4221-80f2-394dac3b1e77/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-1.i[915,928] [2023-11-12 01:01:18,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:18,902 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:01:18,914 WARN L240 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_a2aa4f4e-4361-4221-80f2-394dac3b1e77/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-1.i[915,928] [2023-11-12 01:01:18,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:18,950 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:01:18,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:18 WrapperNode [2023-11-12 01:01:18,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:18,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:18,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:01:18,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:01:18,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:18" (1/1) ... [2023-11-12 01:01:18,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:18" (1/1) ... [2023-11-12 01:01:19,000 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2023-11-12 01:01:19,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:19,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:01:19,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:01:19,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:01:19,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:18" (1/1) ... [2023-11-12 01:01:19,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:18" (1/1) ... [2023-11-12 01:01:19,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:18" (1/1) ... [2023-11-12 01:01:19,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:18" (1/1) ... [2023-11-12 01:01:19,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:18" (1/1) ... [2023-11-12 01:01:19,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:18" (1/1) ... [2023-11-12 01:01:19,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:18" (1/1) ... [2023-11-12 01:01:19,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:18" (1/1) ... [2023-11-12 01:01:19,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:01:19,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:01:19,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:01:19,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:01:19,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:18" (1/1) ... [2023-11-12 01:01:19,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:19,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:01:19,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:01:19,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:01:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:01:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 01:01:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 01:01:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:01:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:01:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:01:19,228 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:01:19,231 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:01:19,568 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:01:19,904 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:01:19,904 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:01:19,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:19 BoogieIcfgContainer [2023-11-12 01:01:19,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:01:19,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:01:19,911 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:01:19,914 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:01:19,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:01:18" (1/3) ... [2023-11-12 01:01:19,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561bed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:19, skipping insertion in model container [2023-11-12 01:01:19,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:18" (2/3) ... [2023-11-12 01:01:19,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561bed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:01:19, skipping insertion in model container [2023-11-12 01:01:19,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:19" (3/3) ... [2023-11-12 01:01:19,920 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-1.i [2023-11-12 01:01:19,939 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:01:19,940 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:01:20,007 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:01:20,015 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@fffab45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:01:20,016 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:01:20,021 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-12 01:01:20,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-12 01:01:20,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:01:20,037 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:01:20,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:01:20,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:01:20,043 INFO L85 PathProgramCache]: Analyzing trace with hash -750849614, now seen corresponding path program 1 times [2023-11-12 01:01:20,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:01:20,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496633323] [2023-11-12 01:01:20,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:20,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:01:20,200 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 01:01:20,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1372544933] [2023-11-12 01:01:20,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:01:20,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 01:01:20,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:01:20,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 01:01:20,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 01:01:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:01:20,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-12 01:01:20,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:01:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 118 proven. 11 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-11-12 01:01:32,021 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 01:01:34,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:01:34,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496633323] [2023-11-12 01:01:34,605 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 01:01:34,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372544933] [2023-11-12 01:01:34,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372544933] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 01:01:34,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1355332777] [2023-11-12 01:01:34,649 INFO L159 IcfgInterpreter]: Started Sifa with 32 locations of interest [2023-11-12 01:01:34,649 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 01:01:34,657 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 01:01:34,663 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 01:01:34,664 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 01:01:40,537 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 94 for LOIs [2023-11-12 01:01:40,590 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 01:01:44,507 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '246#(and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (or (and (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483647) (<= 1 |#StackHeapBarrier|) (<= 0 ~var_1_4~0) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_3~0 2147483648)) (<= 0 (+ |ULTIMATE.start_main_#t~ret15#1| 2147483648)) (<= ~var_1_3~0 2147483647) (= 16 ~last_1_var_1_12~0) (<= 0 (+ |ULTIMATE.start_property_#res#1| 2147483648)) (<= 0 (+ |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483648)) (<= 0 (+ ~var_1_2~0 2147483648)) (<= ~var_1_11~0 1073741823) (<= ~var_1_4~0 2147483647) (<= 0 ~var_1_1~0) (= ~isInitial~0 1) (<= 0 ~var_1_10~0) (<= |ULTIMATE.start_main_#t~ret15#1| 2147483647) (<= |ULTIMATE.start_property_#res#1| 2147483647) (<= ~var_1_2~0 2147483647) (<= ~var_1_1~0 2147483647) (<= ~var_1_10~0 1073741823)) (and (<= 0 (+ ~var_1_2~0 2147483646)) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483647) (<= 1 |#StackHeapBarrier|) (<= 0 ~var_1_11~0) (<= 0 (+ |ULTIMATE.start_main_#t~ret15#1| 2147483648)) (<= ~var_1_3~0 2147483647) (= 16 ~last_1_var_1_12~0) (<= 0 (+ |ULTIMATE.start_property_#res#1| 2147483648)) (<= 0 (+ |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483648)) (<= ~var_1_11~0 1073741823) (<= ~var_1_4~0 2147483647) (<= 0 (+ ~var_1_4~0 2147483648)) (<= 0 (+ ~var_1_3~0 2147483646)) (= ~isInitial~0 1) (<= 0 ~var_1_10~0) (<= |ULTIMATE.start_main_#t~ret15#1| 2147483647) (<= |ULTIMATE.start_property_#res#1| 2147483647) (<= ~var_1_2~0 2147483647) (<= ~var_1_1~0 2147483647) (<= 0 (+ ~var_1_1~0 2147483648)) (<= ~var_1_10~0 1073741823)) (and (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483647) (<= 1 |#StackHeapBarrier|) (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_3~0 2147483648)) (<= 0 (+ |ULTIMATE.start_main_#t~ret15#1| 2147483648)) (<= ~var_1_3~0 2147483647) (= 16 ~last_1_var_1_12~0) (<= 0 (+ |ULTIMATE.start_property_#res#1| 2147483648)) (<= 1 ~var_1_1~0) (<= 0 (+ |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 2147483648)) (<= 0 (+ ~var_1_2~0 2147483648)) (<= (+ ~var_1_4~0 1) 0) (<= ~var_1_11~0 1073741823) (<= 0 (+ ~var_1_4~0 2147483648)) (= ~isInitial~0 1) (<= 0 ~var_1_10~0) (<= |ULTIMATE.start_main_#t~ret15#1| 2147483647) (<= |ULTIMATE.start_property_#res#1| 2147483647) (<= ~var_1_2~0 2147483647) (<= ~var_1_1~0 2147483648) (<= ~var_1_10~0 1073741823))))' at error location [2023-11-12 01:01:44,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 01:01:44,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-12 01:01:44,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-11-12 01:01:44,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226011872] [2023-11-12 01:01:44,511 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-12 01:01:44,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 01:01:44,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:01:44,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 01:01:44,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2023-11-12 01:01:44,540 INFO L87 Difference]: Start difference. First operand has 34 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 8 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 01:01:44,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:01:44,834 INFO L93 Difference]: Finished difference Result 70 states and 103 transitions. [2023-11-12 01:01:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 01:01:44,838 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 63 [2023-11-12 01:01:44,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:01:44,844 INFO L225 Difference]: With dead ends: 70 [2023-11-12 01:01:44,844 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 01:01:44,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=268, Invalid=788, Unknown=0, NotChecked=0, Total=1056 [2023-11-12 01:01:44,856 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 31 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 01:01:44,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 54 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 01:01:44,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 01:01:44,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 01:01:44,881 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) [2023-11-12 01:01:44,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 01:01:44,882 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2023-11-12 01:01:44,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:01:44,883 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 01:01:44,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-12 01:01:44,883 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 01:01:44,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 01:01:44,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 01:01:44,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 01:01:45,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 01:01:45,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 01:01:45,230 INFO L895 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-12 01:01:45,230 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-12 01:01:45,230 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-12 01:01:45,230 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-12 01:01:45,231 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648)) (not (= (mod ~var_1_13~0 256) 0))) [2023-11-12 01:01:45,231 INFO L895 garLoopResultBuilder]: At program point L77-1(line 77) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648)) (not (= (mod ~var_1_13~0 256) 0))) [2023-11-12 01:01:45,231 INFO L899 garLoopResultBuilder]: For program point L94(lines 69 95) no Hoare annotation was computed. [2023-11-12 01:01:45,231 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648)) (not (= (mod ~var_1_13~0 256) 0))) [2023-11-12 01:01:45,231 INFO L895 garLoopResultBuilder]: At program point L86-1(line 86) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648)) (not (= (mod ~var_1_13~0 256) 0))) [2023-11-12 01:01:45,232 INFO L899 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2023-11-12 01:01:45,232 INFO L899 garLoopResultBuilder]: For program point L87(line 87) no Hoare annotation was computed. [2023-11-12 01:01:45,232 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 01:01:45,232 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648)) (not (= (mod ~var_1_13~0 256) 0))) [2023-11-12 01:01:45,232 INFO L895 garLoopResultBuilder]: At program point L71-1(line 71) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648)) (not (= (mod ~var_1_13~0 256) 0))) [2023-11-12 01:01:45,232 INFO L895 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648)) (not (= (mod ~var_1_13~0 256) 0))) [2023-11-12 01:01:45,233 INFO L895 garLoopResultBuilder]: At program point L80-1(line 80) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648)) (not (= (mod ~var_1_13~0 256) 0))) [2023-11-12 01:01:45,233 INFO L899 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2023-11-12 01:01:45,233 INFO L895 garLoopResultBuilder]: At program point L89(line 89) the Hoare annotation is: (<= 0 (+ ~var_1_2~0 2147483648)) [2023-11-12 01:01:45,233 INFO L895 garLoopResultBuilder]: At program point L89-1(line 89) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-12 01:01:45,233 INFO L899 garLoopResultBuilder]: For program point L81(line 81) no Hoare annotation was computed. [2023-11-12 01:01:45,234 INFO L895 garLoopResultBuilder]: At program point L106-2(lines 106 112) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648)) (not (= (mod ~var_1_13~0 256) 0))) [2023-11-12 01:01:45,234 INFO L899 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2023-11-12 01:01:45,234 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-12 01:01:45,234 INFO L895 garLoopResultBuilder]: At program point L74(line 74) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648)) (not (= (mod ~var_1_13~0 256) 0))) [2023-11-12 01:01:45,234 INFO L895 garLoopResultBuilder]: At program point L74-1(line 74) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648)) (not (= (mod ~var_1_13~0 256) 0))) [2023-11-12 01:01:45,235 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 01:01:45,235 INFO L895 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648)) (not (= (mod ~var_1_13~0 256) 0))) [2023-11-12 01:01:45,235 INFO L895 garLoopResultBuilder]: At program point L83-1(line 83) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648)) (not (= (mod ~var_1_13~0 256) 0))) [2023-11-12 01:01:45,235 INFO L899 garLoopResultBuilder]: For program point L75(line 75) no Hoare annotation was computed. [2023-11-12 01:01:45,235 INFO L895 garLoopResultBuilder]: At program point L92(line 92) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-12 01:01:45,236 INFO L895 garLoopResultBuilder]: At program point L92-1(line 92) the Hoare annotation is: (and (<= 0 ~var_1_11~0) (<= 0 (+ ~var_1_2~0 2147483648))) [2023-11-12 01:01:45,236 INFO L899 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2023-11-12 01:01:45,236 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-12 01:01:45,236 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-12 01:01:45,242 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 01:01:45,244 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 01:01:45,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:01:45 BoogieIcfgContainer [2023-11-12 01:01:45,256 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 01:01:45,257 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 01:01:45,257 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 01:01:45,257 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 01:01:45,258 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:01:19" (3/4) ... [2023-11-12 01:01:45,260 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 01:01:45,263 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-12 01:01:45,270 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-12 01:01:45,270 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-12 01:01:45,271 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 01:01:45,272 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 01:01:45,381 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 01:01:45,382 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 01:01:45,382 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 01:01:45,383 INFO L158 Benchmark]: Toolchain (without parser) took 26759.90ms. Allocated memory was 140.5MB in the beginning and 362.8MB in the end (delta: 222.3MB). Free memory was 100.9MB in the beginning and 312.2MB in the end (delta: -211.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-12 01:01:45,383 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:01:45,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.23ms. Allocated memory is still 140.5MB. Free memory was 100.5MB in the beginning and 88.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 01:01:45,384 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.27ms. Allocated memory is still 140.5MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:01:45,384 INFO L158 Benchmark]: Boogie Preprocessor took 46.13ms. Allocated memory is still 140.5MB. Free memory was 86.3MB in the beginning and 84.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:01:45,385 INFO L158 Benchmark]: RCFGBuilder took 858.80ms. Allocated memory was 140.5MB in the beginning and 203.4MB in the end (delta: 62.9MB). Free memory was 84.6MB in the beginning and 153.5MB in the end (delta: -68.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-11-12 01:01:45,385 INFO L158 Benchmark]: TraceAbstraction took 25345.74ms. Allocated memory was 203.4MB in the beginning and 362.8MB in the end (delta: 159.4MB). Free memory was 152.4MB in the beginning and 318.5MB in the end (delta: -166.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:01:45,386 INFO L158 Benchmark]: Witness Printer took 125.45ms. Allocated memory is still 362.8MB. Free memory was 318.5MB in the beginning and 312.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 01:01:45,388 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.23ms. Allocated memory is still 140.5MB. Free memory was 100.5MB in the beginning and 88.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.27ms. Allocated memory is still 140.5MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.13ms. Allocated memory is still 140.5MB. Free memory was 86.3MB in the beginning and 84.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 858.80ms. Allocated memory was 140.5MB in the beginning and 203.4MB in the end (delta: 62.9MB). Free memory was 84.6MB in the beginning and 153.5MB in the end (delta: -68.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * TraceAbstraction took 25345.74ms. Allocated memory was 203.4MB in the beginning and 362.8MB in the end (delta: 159.4MB). Free memory was 152.4MB in the beginning and 318.5MB in the end (delta: -166.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 125.45ms. Allocated memory is still 362.8MB. Free memory was 318.5MB in the beginning and 312.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.3s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 25 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 52 PreInvPairs, 70 NumberOfFragments, 237 HoareAnnotationTreeSize, 52 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 119 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 14.1s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 376 SizeOfPredicates, 20 NumberOfNonLiveVariables, 236 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 261/272 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: 106]: Loop Invariant Derived loop invariant: (((0 <= var_1_11) && (0 <= (var_1_2 + 2147483648))) && !(((var_1_13 % 256) == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-12 01:01:45,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2aa4f4e-4361-4221-80f2-394dac3b1e77/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE