./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:24:21,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:24:21,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:24:21,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:24:21,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:24:21,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:24:21,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:24:21,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:24:21,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:24:21,825 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:24:21,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:24:21,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:24:21,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:24:21,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:24:21,829 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:24:21,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:24:21,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:24:21,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:24:21,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:24:21,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:24:21,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:24:21,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:24:21,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:24:21,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:24:21,844 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:24:21,844 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:24:21,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:24:21,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:24:21,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:24:21,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:24:21,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:24:21,851 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:24:21,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:24:21,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:24:21,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:24:21,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:24:21,852 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:24:21,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:24:21,853 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:24:21,853 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:24:21,854 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:24:21,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:24:21,856 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 [2024-11-08 16:24:22,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:24:22,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:24:22,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:24:22,295 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:24:22,296 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:24:22,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i Unable to find full path for "g++" [2024-11-08 16:24:24,850 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:24:25,092 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:24:25,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i [2024-11-08 16:24:25,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/data/075cf9c97/63c29ddbdc684153911096d64a35d384/FLAG450e3c974 [2024-11-08 16:24:25,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/data/075cf9c97/63c29ddbdc684153911096d64a35d384 [2024-11-08 16:24:25,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:24:25,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:24:25,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:24:25,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:24:25,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:24:25,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:24:25" (1/1) ... [2024-11-08 16:24:25,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ecbc055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25, skipping insertion in model container [2024-11-08 16:24:25,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:24:25" (1/1) ... [2024-11-08 16:24:25,180 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:24:25,436 WARN L250 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_9f6781a8-73ed-4ad9-9117-ad88271f1f51/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2024-11-08 16:24:25,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:24:25,499 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:24:25,516 WARN L250 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_9f6781a8-73ed-4ad9-9117-ad88271f1f51/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2024-11-08 16:24:25,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:24:25,554 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:24:25,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25 WrapperNode [2024-11-08 16:24:25,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:24:25,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:24:25,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:24:25,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:24:25,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25" (1/1) ... [2024-11-08 16:24:25,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25" (1/1) ... [2024-11-08 16:24:25,607 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2024-11-08 16:24:25,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:24:25,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:24:25,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:24:25,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:24:25,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25" (1/1) ... [2024-11-08 16:24:25,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25" (1/1) ... [2024-11-08 16:24:25,630 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25" (1/1) ... [2024-11-08 16:24:25,646 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 16:24:25,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25" (1/1) ... [2024-11-08 16:24:25,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25" (1/1) ... [2024-11-08 16:24:25,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25" (1/1) ... [2024-11-08 16:24:25,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25" (1/1) ... [2024-11-08 16:24:25,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25" (1/1) ... [2024-11-08 16:24:25,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25" (1/1) ... [2024-11-08 16:24:25,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:24:25,663 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:24:25,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:24:25,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:24:25,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25" (1/1) ... [2024-11-08 16:24:25,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:24:25,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:24:25,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:24:25,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:24:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:24:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:24:25,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:24:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:24:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:24:25,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:24:25,884 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:24:25,889 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:24:26,209 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 16:24:26,210 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:24:26,237 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:24:26,238 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:24:26,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:26 BoogieIcfgContainer [2024-11-08 16:24:26,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:24:26,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:24:26,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:24:26,249 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:24:26,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:24:25" (1/3) ... [2024-11-08 16:24:26,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e94805f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:24:26, skipping insertion in model container [2024-11-08 16:24:26,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:25" (2/3) ... [2024-11-08 16:24:26,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e94805f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:24:26, skipping insertion in model container [2024-11-08 16:24:26,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:26" (3/3) ... [2024-11-08 16:24:26,256 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-61.i [2024-11-08 16:24:26,283 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:24:26,283 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:24:26,367 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:24:26,375 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@5daba356, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:24:26,375 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:24:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 16:24:26,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 16:24:26,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:24:26,394 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-08 16:24:26,394 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:24:26,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:24:26,400 INFO L85 PathProgramCache]: Analyzing trace with hash 730451321, now seen corresponding path program 1 times [2024-11-08 16:24:26,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:24:26,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878675575] [2024-11-08 16:24:26,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:24:26,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:24:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:26,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 16:24:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:26,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 16:24:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:26,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 16:24:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:26,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 16:24:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:26,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 16:24:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:26,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 16:24:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:26,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 16:24:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:26,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 16:24:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:26,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 16:24:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:26,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 16:24:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:26,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 16:24:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 16:24:26,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:24:26,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878675575] [2024-11-08 16:24:26,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878675575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:24:26,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:24:26,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:24:26,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822354133] [2024-11-08 16:24:26,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:24:26,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:24:26,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:24:26,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:24:26,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:24:26,812 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 16:24:26,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:24:26,842 INFO L93 Difference]: Finished difference Result 69 states and 109 transitions. [2024-11-08 16:24:26,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:24:26,845 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2024-11-08 16:24:26,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:24:26,853 INFO L225 Difference]: With dead ends: 69 [2024-11-08 16:24:26,853 INFO L226 Difference]: Without dead ends: 34 [2024-11-08 16:24:26,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:24:26,861 INFO L432 NwaCegarLoop]: 45 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, 45 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 [2024-11-08 16:24:26,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:24:26,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-08 16:24:26,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-08 16:24:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 16:24:26,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2024-11-08 16:24:26,916 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 72 [2024-11-08 16:24:26,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:24:26,917 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2024-11-08 16:24:26,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 16:24:26,918 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-08 16:24:26,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 16:24:26,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:24:26,924 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-08 16:24:26,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:24:26,928 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:24:26,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:24:26,929 INFO L85 PathProgramCache]: Analyzing trace with hash 910025079, now seen corresponding path program 1 times [2024-11-08 16:24:26,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:24:26,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950282539] [2024-11-08 16:24:26,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:24:26,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:24:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:24:27,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:24:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:24:27,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:24:27,280 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:24:27,282 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:24:27,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:24:27,291 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 16:24:27,371 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:24:27,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:24:27 BoogieIcfgContainer [2024-11-08 16:24:27,377 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:24:27,377 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:24:27,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:24:27,378 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:24:27,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:26" (3/4) ... [2024-11-08 16:24:27,382 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:24:27,384 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:24:27,385 INFO L158 Benchmark]: Toolchain (without parser) took 2259.47ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 113.8MB in the beginning and 147.6MB in the end (delta: -33.8MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2024-11-08 16:24:27,386 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 155.2MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:24:27,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.92ms. Allocated memory is still 155.2MB. Free memory was 113.8MB in the beginning and 100.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:24:27,387 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.97ms. Allocated memory is still 155.2MB. Free memory was 100.0MB in the beginning and 98.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:24:27,388 INFO L158 Benchmark]: Boogie Preprocessor took 52.60ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:24:27,389 INFO L158 Benchmark]: RCFGBuilder took 575.37ms. Allocated memory is still 155.2MB. Free memory was 96.4MB in the beginning and 83.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:24:27,390 INFO L158 Benchmark]: TraceAbstraction took 1132.54ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 83.2MB in the beginning and 148.6MB in the end (delta: -65.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:24:27,391 INFO L158 Benchmark]: Witness Printer took 6.62ms. Allocated memory is still 188.7MB. Free memory was 148.6MB in the beginning and 147.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:24:27,400 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 155.2MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.92ms. Allocated memory is still 155.2MB. Free memory was 113.8MB in the beginning and 100.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.97ms. Allocated memory is still 155.2MB. Free memory was 100.0MB in the beginning and 98.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.60ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 575.37ms. Allocated memory is still 155.2MB. Free memory was 96.4MB in the beginning and 83.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1132.54ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 83.2MB in the beginning and 148.6MB in the end (delta: -65.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.62ms. Allocated memory is still 188.7MB. Free memory was 148.6MB in the beginning and 147.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 0; [L23] double var_1_2 = 199.5; [L24] double var_1_3 = 10.25; [L25] signed char var_1_4 = 5; [L26] signed char var_1_5 = 64; [L27] signed char var_1_6 = 8; [L28] signed char var_1_7 = 5; [L29] unsigned long int var_1_8 = 8; VAL [isInitial=0, var_1_1=0, var_1_2=399/2, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L66] isInitial = 1 [L67] FCALL initially() [L68] COND TRUE 1 [L69] FCALL updateLastVariables() [L70] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_double() [L42] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L42] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L43] CALL assume_abort_if_not(var_1_2 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L43] RET assume_abort_if_not(var_1_2 != 0.0F) VAL [isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L44] var_1_3 = __VERIFIER_nondet_double() [L45] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L45] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L46] var_1_4 = __VERIFIER_nondet_char() [L47] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L47] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L48] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L48] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L49] var_1_5 = __VERIFIER_nondet_char() [L50] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L50] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L51] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L51] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L52] var_1_6 = __VERIFIER_nondet_char() [L53] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L53] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L54] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L54] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L55] var_1_7 = __VERIFIER_nondet_char() [L56] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L56] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L57] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L57] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L70] RET updateVariables() [L71] CALL step() [L33] COND TRUE (999.375 / ((((var_1_2) > (-0.19)) ? (var_1_2) : (-0.19)))) >= var_1_3 [L34] var_1_1 = (var_1_4 + -32) VAL [isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L38] var_1_8 = var_1_7 VAL [isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=0] [L71] RET step() [L72] CALL, EXPR property() [L62-L63] return (((999.375 / ((((var_1_2) > (-0.19)) ? (var_1_2) : (-0.19)))) >= var_1_3) ? (var_1_1 == ((signed char) (var_1_4 + -32))) : (var_1_1 == ((signed char) (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))) - var_1_7)))) && (var_1_8 == ((unsigned long int) var_1_7)) ; VAL [\result=0, isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=0] [L72] RET, EXPR property() [L72] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 45 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 220/220 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 [2024-11-08 16:24:27,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:24:30,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:24:30,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 16:24:30,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:24:30,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:24:30,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:24:30,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:24:30,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:24:30,552 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:24:30,558 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:24:30,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:24:30,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:24:30,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:24:30,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:24:30,560 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:24:30,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:24:30,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:24:30,561 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:24:30,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:24:30,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:24:30,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:24:30,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:24:30,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:24:30,566 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:24:30,567 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:24:30,567 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:24:30,567 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:24:30,568 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:24:30,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:24:30,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:24:30,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:24:30,569 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:24:30,569 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:24:30,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:24:30,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:24:30,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:24:30,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:24:30,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:24:30,573 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:24:30,573 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:24:30,574 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:24:30,575 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:24:30,575 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:24:30,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:24:30,576 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 [2024-11-08 16:24:31,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:24:31,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:24:31,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:24:31,121 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:24:31,122 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:24:31,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i Unable to find full path for "g++" [2024-11-08 16:24:33,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:24:34,181 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:24:34,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i [2024-11-08 16:24:34,192 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/data/cedf91474/2d628222b357420fa9e172b9ab10cf9e/FLAGfa3d447aa [2024-11-08 16:24:34,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/data/cedf91474/2d628222b357420fa9e172b9ab10cf9e [2024-11-08 16:24:34,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:24:34,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:24:34,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:24:34,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:24:34,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:24:34,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:24:34" (1/1) ... [2024-11-08 16:24:34,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df7f7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34, skipping insertion in model container [2024-11-08 16:24:34,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:24:34" (1/1) ... [2024-11-08 16:24:34,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:24:34,813 WARN L250 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_9f6781a8-73ed-4ad9-9117-ad88271f1f51/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2024-11-08 16:24:34,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:24:34,883 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:24:34,901 WARN L250 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_9f6781a8-73ed-4ad9-9117-ad88271f1f51/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2024-11-08 16:24:34,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:24:34,951 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:24:34,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34 WrapperNode [2024-11-08 16:24:34,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:24:34,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:24:34,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:24:34,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:24:34,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34" (1/1) ... [2024-11-08 16:24:34,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34" (1/1) ... [2024-11-08 16:24:35,010 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74 [2024-11-08 16:24:35,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:24:35,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:24:35,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:24:35,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:24:35,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34" (1/1) ... [2024-11-08 16:24:35,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34" (1/1) ... [2024-11-08 16:24:35,031 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34" (1/1) ... [2024-11-08 16:24:35,048 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 16:24:35,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34" (1/1) ... [2024-11-08 16:24:35,049 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34" (1/1) ... [2024-11-08 16:24:35,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34" (1/1) ... [2024-11-08 16:24:35,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34" (1/1) ... [2024-11-08 16:24:35,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34" (1/1) ... [2024-11-08 16:24:35,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34" (1/1) ... [2024-11-08 16:24:35,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:24:35,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:24:35,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:24:35,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:24:35,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34" (1/1) ... [2024-11-08 16:24:35,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:24:35,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:24:35,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:24:35,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:24:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:24:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:24:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:24:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:24:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:24:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:24:35,339 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:24:35,342 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:24:47,961 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 16:24:47,961 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:24:47,978 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:24:47,978 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:24:47,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:47 BoogieIcfgContainer [2024-11-08 16:24:47,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:24:47,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:24:47,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:24:47,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:24:47,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:24:34" (1/3) ... [2024-11-08 16:24:47,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4882d73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:24:47, skipping insertion in model container [2024-11-08 16:24:47,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:24:34" (2/3) ... [2024-11-08 16:24:47,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4882d73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:24:47, skipping insertion in model container [2024-11-08 16:24:47,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:47" (3/3) ... [2024-11-08 16:24:47,991 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-61.i [2024-11-08 16:24:48,026 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:24:48,027 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:24:48,136 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:24:48,146 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@268aceb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:24:48,147 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:24:48,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 16:24:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 16:24:48,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:24:48,168 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-08 16:24:48,169 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:24:48,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:24:48,178 INFO L85 PathProgramCache]: Analyzing trace with hash 730451321, now seen corresponding path program 1 times [2024-11-08 16:24:48,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:24:48,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157318779] [2024-11-08 16:24:48,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:24:48,200 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 [2024-11-08 16:24:48,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:24:48,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 16:24:48,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:24:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:49,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 16:24:49,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:24:49,342 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-08 16:24:49,346 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:24:49,347 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:24:49,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157318779] [2024-11-08 16:24:49,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157318779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:24:49,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:24:49,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:24:49,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791764945] [2024-11-08 16:24:49,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:24:49,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:24:49,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:24:49,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:24:49,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:24:49,442 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 16:24:49,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:24:49,472 INFO L93 Difference]: Finished difference Result 69 states and 109 transitions. [2024-11-08 16:24:49,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:24:49,476 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2024-11-08 16:24:49,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:24:49,486 INFO L225 Difference]: With dead ends: 69 [2024-11-08 16:24:49,486 INFO L226 Difference]: Without dead ends: 34 [2024-11-08 16:24:49,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:24:49,495 INFO L432 NwaCegarLoop]: 45 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, 45 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 [2024-11-08 16:24:49,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:24:49,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-08 16:24:49,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-08 16:24:49,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 16:24:49,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2024-11-08 16:24:49,553 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 72 [2024-11-08 16:24:49,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:24:49,554 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2024-11-08 16:24:49,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-08 16:24:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-08 16:24:49,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 16:24:49,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:24:49,560 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-08 16:24:49,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 16:24:49,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:24:49,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:24:49,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:24:49,764 INFO L85 PathProgramCache]: Analyzing trace with hash 910025079, now seen corresponding path program 1 times [2024-11-08 16:24:49,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:24:49,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1568635076] [2024-11-08 16:24:49,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:24:49,766 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 [2024-11-08 16:24:49,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:24:49,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 16:24:49,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:24:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:50,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:24:50,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:24:59,069 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:25:09,236 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:25:16,775 WARN L286 SmtUtils]: Spent 7.54s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:25:25,342 WARN L286 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:25:29,470 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= ((_ extract 7 0) (bvadd (_ bv4294967264 32) ((_ sign_extend 24) c_~var_1_4~0))) c_~var_1_1~0)) is different from false [2024-11-08 16:25:33,599 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= ((_ extract 7 0) (bvadd (_ bv4294967264 32) ((_ sign_extend 24) c_~var_1_4~0))) c_~var_1_1~0)) is different from true [2024-11-08 16:25:42,128 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:25:51,927 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:25:59,893 WARN L286 SmtUtils]: Spent 7.96s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:26:05,659 WARN L286 SmtUtils]: Spent 5.76s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:26:14,135 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:26:18,257 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= ((_ extract 7 0) (bvadd (_ bv4294967264 32) ((_ sign_extend 24) c_~var_1_4~0))) c_~var_1_1~0) (= ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_8~0)) is different from false [2024-11-08 16:26:22,373 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= ((_ extract 7 0) (bvadd (_ bv4294967264 32) ((_ sign_extend 24) c_~var_1_4~0))) c_~var_1_1~0) (= ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_8~0)) is different from true [2024-11-08 16:26:52,343 WARN L286 SmtUtils]: Spent 8.63s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:26:57,369 WARN L286 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:27:19,874 WARN L286 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:27:27,585 WARN L286 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:27:34,758 WARN L286 SmtUtils]: Spent 7.17s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:27:40,987 WARN L286 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:28:05,358 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:28:16,245 WARN L286 SmtUtils]: Spent 7.90s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:28:22,089 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 16:28:22,089 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:28:22,090 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:28:22,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1568635076] [2024-11-08 16:28:22,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1568635076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:22,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:22,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:28:22,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723301332] [2024-11-08 16:28:22,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:22,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:22,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:28:22,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:22,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=7, Unknown=4, NotChecked=10, Total=30 [2024-11-08 16:28:22,097 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 16:28:26,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:28:26,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:26,518 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2024-11-08 16:28:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:28:26,519 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 72 [2024-11-08 16:28:26,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:26,522 INFO L225 Difference]: With dead ends: 40 [2024-11-08 16:28:26,522 INFO L226 Difference]: Without dead ends: 38 [2024-11-08 16:28:26,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=9, Invalid=7, Unknown=4, NotChecked=10, Total=30 [2024-11-08 16:28:26,524 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 101 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:26,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 1 Unknown, 101 Unchecked, 4.4s Time] [2024-11-08 16:28:26,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-08 16:28:26,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-08 16:28:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 16:28:26,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2024-11-08 16:28:26,538 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 49 transitions. Word has length 72 [2024-11-08 16:28:26,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:26,540 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 49 transitions. [2024-11-08 16:28:26,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 16:28:26,541 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2024-11-08 16:28:26,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 16:28:26,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:26,544 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2024-11-08 16:28:26,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-08 16:28:26,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:28:26,746 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:26,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:26,747 INFO L85 PathProgramCache]: Analyzing trace with hash 967283381, now seen corresponding path program 1 times [2024-11-08 16:28:26,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:28:26,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128885171] [2024-11-08 16:28:26,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:26,748 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 [2024-11-08 16:28:26,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:28:26,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 16:28:26,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:28:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:27,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:28:27,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:28:36,338 WARN L286 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:28:43,335 WARN L286 SmtUtils]: Spent 7.00s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:28:48,782 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:28:57,360 WARN L286 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:29:05,844 WARN L286 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:29:14,315 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:29:22,823 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:29:29,519 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse6)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0)))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg ((_ sign_extend 24) c_~var_1_7~0))) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse6) c_~var_1_3~0)))))) is different from false [2024-11-08 16:29:33,640 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse6 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse6)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0)))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg ((_ sign_extend 24) c_~var_1_7~0))) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse6) c_~var_1_3~0)))))) is different from true [2024-11-08 16:29:42,206 WARN L286 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:29:50,372 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:29:58,825 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:30:07,259 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:30:15,725 WARN L286 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:30:24,207 WARN L286 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:30:32,739 WARN L286 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:30:41,415 WARN L286 SmtUtils]: Spent 8.67s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:30:48,439 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse7)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse6 ((_ sign_extend 24) c_~var_1_7~0))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg .cse6)) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse7) c_~var_1_3~0))) (= .cse6 c_~var_1_8~0)))) is different from false [2024-11-08 16:30:52,597 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse7 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse7)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse6 ((_ sign_extend 24) c_~var_1_7~0))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg .cse6)) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse7) c_~var_1_3~0))) (= .cse6 c_~var_1_8~0)))) is different from true [2024-11-08 16:30:59,200 WARN L286 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:31:07,766 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:31:22,800 WARN L286 SmtUtils]: Spent 7.82s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:31:28,628 WARN L286 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:31:40,473 WARN L286 SmtUtils]: Spent 7.26s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:31:48,792 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:31:58,309 WARN L286 SmtUtils]: Spent 6.00s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:32:08,723 WARN L286 SmtUtils]: Spent 7.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:32:24,442 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:32:32,259 WARN L286 SmtUtils]: Spent 7.81s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:32:42,793 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:32:58,684 WARN L286 SmtUtils]: Spent 7.00s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:33:09,636 WARN L286 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:33:50,175 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:33:58,684 WARN L286 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:34:15,936 WARN L286 SmtUtils]: Spent 7.09s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:34:21,588 WARN L286 SmtUtils]: Spent 5.65s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:34:34,239 WARN L286 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:34:39,527 WARN L286 SmtUtils]: Spent 5.29s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:34:52,255 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:34:57,713 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:35:06,156 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:35:14,414 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:35:22,946 WARN L286 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:35:32,217 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:35:41,459 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:35:53,178 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:36:01,531 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:36:06,786 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 16:36:07,503 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-08 16:36:07,503 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:36:07,503 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:36:07,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128885171] [2024-11-08 16:36:07,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128885171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:36:07,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:36:07,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:36:07,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559067359] [2024-11-08 16:36:07,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:36:07,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:36:07,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:36:07,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:36:07,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=7, Unknown=4, NotChecked=10, Total=30 [2024-11-08 16:36:07,506 INFO L87 Difference]: Start difference. First operand 38 states and 49 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 16:36:11,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 16:36:11,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:36:11,887 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2024-11-08 16:36:11,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:36:11,887 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 72 [2024-11-08 16:36:11,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:36:11,889 INFO L225 Difference]: With dead ends: 38 [2024-11-08 16:36:11,889 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 16:36:11,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=9, Invalid=7, Unknown=4, NotChecked=10, Total=30 [2024-11-08 16:36:11,890 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 97 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:36:11,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 1 Unknown, 97 Unchecked, 4.4s Time] [2024-11-08 16:36:11,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 16:36:11,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 16:36:11,893 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) [2024-11-08 16:36:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 16:36:11,893 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2024-11-08 16:36:11,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:36:11,894 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:36:11,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-08 16:36:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 16:36:11,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 16:36:11,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:36:11,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-08 16:36:12,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 16:36:12,102 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 16:36:12,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 16:36:12,137 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:36:12,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:36:12 BoogieIcfgContainer [2024-11-08 16:36:12,159 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:36:12,160 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:36:12,160 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:36:12,161 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:36:12,161 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:24:47" (3/4) ... [2024-11-08 16:36:12,164 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 16:36:12,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 16:36:12,176 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 16:36:12,177 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 16:36:12,177 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 16:36:12,177 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 16:36:12,300 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:36:12,300 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 16:36:12,301 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:36:12,302 INFO L158 Benchmark]: Toolchain (without parser) took 697781.50ms. Allocated memory was 77.6MB in the beginning and 169.9MB in the end (delta: 92.3MB). Free memory was 47.3MB in the beginning and 132.7MB in the end (delta: -85.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-08 16:36:12,302 INFO L158 Benchmark]: CDTParser took 1.62ms. Allocated memory is still 52.4MB. Free memory is still 28.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:36:12,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.42ms. Allocated memory is still 77.6MB. Free memory was 47.1MB in the beginning and 52.7MB in the end (delta: -5.6MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-08 16:36:12,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.04ms. Allocated memory is still 77.6MB. Free memory was 52.7MB in the beginning and 51.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:36:12,304 INFO L158 Benchmark]: Boogie Preprocessor took 78.99ms. Allocated memory is still 77.6MB. Free memory was 50.7MB in the beginning and 48.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:36:12,304 INFO L158 Benchmark]: RCFGBuilder took 12888.37ms. Allocated memory is still 77.6MB. Free memory was 48.6MB in the beginning and 36.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 16:36:12,305 INFO L158 Benchmark]: TraceAbstraction took 684177.01ms. Allocated memory was 77.6MB in the beginning and 169.9MB in the end (delta: 92.3MB). Free memory was 35.3MB in the beginning and 138.0MB in the end (delta: -102.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:36:12,305 INFO L158 Benchmark]: Witness Printer took 140.90ms. Allocated memory is still 169.9MB. Free memory was 138.0MB in the beginning and 132.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 16:36:12,310 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.62ms. Allocated memory is still 52.4MB. Free memory is still 28.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.42ms. Allocated memory is still 77.6MB. Free memory was 47.1MB in the beginning and 52.7MB in the end (delta: -5.6MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.04ms. Allocated memory is still 77.6MB. Free memory was 52.7MB in the beginning and 51.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.99ms. Allocated memory is still 77.6MB. Free memory was 50.7MB in the beginning and 48.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 12888.37ms. Allocated memory is still 77.6MB. Free memory was 48.6MB in the beginning and 36.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 684177.01ms. Allocated memory was 77.6MB in the beginning and 169.9MB in the end (delta: 92.3MB). Free memory was 35.3MB in the beginning and 138.0MB in the end (delta: -102.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 140.90ms. Allocated memory is still 169.9MB. Free memory was 138.0MB in the beginning and 132.7MB in the end (delta: 5.2MB). 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, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 684.0s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 295 SdHoareTripleChecker+Invalid, 8.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 198 IncrementalHoareTripleChecker+Unchecked, 164 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 131 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 671.2s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 449 SizeOfPredicates, 18 NumberOfNonLiveVariables, 354 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 660/660 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 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) RESULT: Ultimate proved your program to be correct! [2024-11-08 16:36:12,535 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-08 16:36:12,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f6781a8-73ed-4ad9-9117-ad88271f1f51/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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