./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme --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 332bcce48a0139e2df6284710a9b0ccad22d833566bbd5ef3ad1522424ad9314 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:49:48,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:49:48,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:49:48,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:49:48,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:49:49,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:49:49,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:49:49,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:49:49,058 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:49:49,064 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:49:49,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:49:49,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:49:49,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:49:49,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:49:49,068 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:49:49,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:49:49,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:49:49,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:49:49,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:49:49,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:49:49,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:49:49,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:49:49,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:49:49,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:49:49,074 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:49:49,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:49:49,075 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:49:49,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:49:49,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:49:49,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:49:49,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:49:49,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:49:49,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:49:49,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:49:49,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:49:49,081 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:49:49,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:49:49,081 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:49:49,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:49:49,082 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:49:49,082 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:49:49,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:49:49,083 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_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 332bcce48a0139e2df6284710a9b0ccad22d833566bbd5ef3ad1522424ad9314 [2023-11-26 10:49:49,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:49:49,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:49:49,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:49:49,442 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:49:49,443 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:49:49,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i [2023-11-26 10:49:52,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:49:53,020 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:49:53,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i [2023-11-26 10:49:53,030 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/data/ac9ddb20f/cc6e1cdf904645d9bee0ed9337f87251/FLAG54e5f5bc2 [2023-11-26 10:49:53,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/data/ac9ddb20f/cc6e1cdf904645d9bee0ed9337f87251 [2023-11-26 10:49:53,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:49:53,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:49:53,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:53,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:49:53,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:49:53,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:53" (1/1) ... [2023-11-26 10:49:53,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32682933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53, skipping insertion in model container [2023-11-26 10:49:53,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:53" (1/1) ... [2023-11-26 10:49:53,108 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:49:53,345 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i[917,930] [2023-11-26 10:49:53,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:53,451 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:49:53,471 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i[917,930] [2023-11-26 10:49:53,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:53,538 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:49:53,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53 WrapperNode [2023-11-26 10:49:53,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:53,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:53,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:49:53,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:49:53,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53" (1/1) ... [2023-11-26 10:49:53,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53" (1/1) ... [2023-11-26 10:49:53,600 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2023-11-26 10:49:53,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:53,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:49:53,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:49:53,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:49:53,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53" (1/1) ... [2023-11-26 10:49:53,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53" (1/1) ... [2023-11-26 10:49:53,617 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53" (1/1) ... [2023-11-26 10:49:53,657 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]. [2023-11-26 10:49:53,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53" (1/1) ... [2023-11-26 10:49:53,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53" (1/1) ... [2023-11-26 10:49:53,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53" (1/1) ... [2023-11-26 10:49:53,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53" (1/1) ... [2023-11-26 10:49:53,672 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53" (1/1) ... [2023-11-26 10:49:53,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53" (1/1) ... [2023-11-26 10:49:53,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:49:53,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:49:53,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:49:53,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:49:53,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53" (1/1) ... [2023-11-26 10:49:53,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:49:53,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:49:53,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:49:53,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:49:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:49:53,760 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:49:53,761 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:49:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:49:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:49:53,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:49:53,880 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:49:53,883 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:49:54,279 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:49:54,324 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:49:54,325 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:49:54,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:54 BoogieIcfgContainer [2023-11-26 10:49:54,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:49:54,329 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:49:54,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:49:54,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:49:54,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:49:53" (1/3) ... [2023-11-26 10:49:54,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0d0044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:49:54, skipping insertion in model container [2023-11-26 10:49:54,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:53" (2/3) ... [2023-11-26 10:49:54,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0d0044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:49:54, skipping insertion in model container [2023-11-26 10:49:54,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:54" (3/3) ... [2023-11-26 10:49:54,338 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-22.i [2023-11-26 10:49:54,362 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:49:54,363 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:49:54,426 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:49:54,434 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@65630a5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:49:54,435 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:49:54,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 31 states have internal predecessors, (47), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 10:49:54,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-26 10:49:54,453 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:54,454 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:54,455 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:54,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:54,461 INFO L85 PathProgramCache]: Analyzing trace with hash 612614542, now seen corresponding path program 1 times [2023-11-26 10:49:54,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:54,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052340413] [2023-11-26 10:49:54,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:54,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:49:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:54,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:49:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:49:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:54,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:49:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:54,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:49:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:54,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 10:49:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:54,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 10:49:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-26 10:49:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:54,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-26 10:49:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 10:49:55,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:49:55,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052340413] [2023-11-26 10:49:55,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052340413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:55,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:55,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:49:55,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433940769] [2023-11-26 10:49:55,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:55,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:49:55,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:49:55,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:49:55,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:49:55,062 INFO L87 Difference]: Start difference. First operand has 42 states, 30 states have (on average 1.5666666666666667) internal successors, (47), 31 states have internal predecessors, (47), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 10:49:55,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:55,147 INFO L93 Difference]: Finished difference Result 80 states and 135 transitions. [2023-11-26 10:49:55,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:49:55,151 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2023-11-26 10:49:55,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:55,159 INFO L225 Difference]: With dead ends: 80 [2023-11-26 10:49:55,160 INFO L226 Difference]: Without dead ends: 39 [2023-11-26 10:49:55,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:49:55,172 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:49:55,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:49:55,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-26 10:49:55,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-26 10:49:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 28 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 10:49:55,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 57 transitions. [2023-11-26 10:49:55,218 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 57 transitions. Word has length 63 [2023-11-26 10:49:55,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:55,219 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 57 transitions. [2023-11-26 10:49:55,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 10:49:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-11-26 10:49:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-26 10:49:55,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:55,223 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:55,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:49:55,224 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:55,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:55,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1892721108, now seen corresponding path program 1 times [2023-11-26 10:49:55,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:55,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860554575] [2023-11-26 10:49:55,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:55,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:56,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:49:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:49:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:56,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:49:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:56,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:49:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:49:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:56,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 10:49:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:56,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 10:49:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:56,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-26 10:49:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:56,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-26 10:49:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:56,300 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 10:49:56,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:49:56,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860554575] [2023-11-26 10:49:56,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860554575] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:56,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:56,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:49:56,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901315005] [2023-11-26 10:49:56,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:56,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:49:56,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:49:56,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:49:56,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:49:56,314 INFO L87 Difference]: Start difference. First operand 39 states and 57 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 10:49:56,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:56,886 INFO L93 Difference]: Finished difference Result 171 states and 251 transitions. [2023-11-26 10:49:56,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:49:56,887 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 63 [2023-11-26 10:49:56,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:56,895 INFO L225 Difference]: With dead ends: 171 [2023-11-26 10:49:56,895 INFO L226 Difference]: Without dead ends: 133 [2023-11-26 10:49:56,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-26 10:49:56,900 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 180 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 10:49:56,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 212 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 10:49:56,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-26 10:49:56,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 96. [2023-11-26 10:49:56,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 65 states have (on average 1.3384615384615384) internal successors, (87), 65 states have internal predecessors, (87), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-26 10:49:56,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 141 transitions. [2023-11-26 10:49:56,985 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 141 transitions. Word has length 63 [2023-11-26 10:49:56,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:56,986 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 141 transitions. [2023-11-26 10:49:56,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 10:49:56,987 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2023-11-26 10:49:56,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-26 10:49:56,990 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:56,990 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:56,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:49:56,990 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:56,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:56,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1835462806, now seen corresponding path program 1 times [2023-11-26 10:49:56,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:56,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914818007] [2023-11-26 10:49:56,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:56,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:57,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:49:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:57,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:49:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:57,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:49:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:49:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:57,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:49:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:57,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 10:49:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:57,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 10:49:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:57,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-26 10:49:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:57,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-26 10:49:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:57,500 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 10:49:57,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:49:57,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914818007] [2023-11-26 10:49:57,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914818007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:57,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:57,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:49:57,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913153729] [2023-11-26 10:49:57,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:57,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:49:57,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:49:57,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:49:57,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:49:57,504 INFO L87 Difference]: Start difference. First operand 96 states and 141 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 10:49:57,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:57,846 INFO L93 Difference]: Finished difference Result 205 states and 302 transitions. [2023-11-26 10:49:57,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:49:57,847 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 63 [2023-11-26 10:49:57,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:57,849 INFO L225 Difference]: With dead ends: 205 [2023-11-26 10:49:57,850 INFO L226 Difference]: Without dead ends: 131 [2023-11-26 10:49:57,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:49:57,853 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 85 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:49:57,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 122 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:49:57,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-26 10:49:57,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2023-11-26 10:49:57,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 74 states have (on average 1.3513513513513513) internal successors, (100), 74 states have internal predecessors, (100), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-26 10:49:57,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 154 transitions. [2023-11-26 10:49:57,884 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 154 transitions. Word has length 63 [2023-11-26 10:49:57,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:57,885 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 154 transitions. [2023-11-26 10:49:57,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 10:49:57,886 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 154 transitions. [2023-11-26 10:49:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-26 10:49:57,888 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:57,889 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:57,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:49:57,889 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:57,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:57,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1426453941, now seen corresponding path program 1 times [2023-11-26 10:49:57,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:57,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000811199] [2023-11-26 10:49:57,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:57,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:58,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:49:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:58,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:49:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:58,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:49:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:58,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:49:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:58,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:49:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:58,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 10:49:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:58,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 10:49:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:58,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-26 10:49:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-26 10:49:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:58,404 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 10:49:58,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:49:58,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000811199] [2023-11-26 10:49:58,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000811199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:58,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:58,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:49:58,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870444932] [2023-11-26 10:49:58,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:58,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:49:58,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:49:58,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:49:58,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:49:58,407 INFO L87 Difference]: Start difference. First operand 105 states and 154 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 10:49:58,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:58,709 INFO L93 Difference]: Finished difference Result 211 states and 309 transitions. [2023-11-26 10:49:58,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:49:58,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 64 [2023-11-26 10:49:58,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:58,712 INFO L225 Difference]: With dead ends: 211 [2023-11-26 10:49:58,712 INFO L226 Difference]: Without dead ends: 131 [2023-11-26 10:49:58,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:49:58,714 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 80 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:49:58,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 122 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:49:58,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-26 10:49:58,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 106. [2023-11-26 10:49:58,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 75 states have (on average 1.3333333333333333) internal successors, (100), 75 states have internal predecessors, (100), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-26 10:49:58,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2023-11-26 10:49:58,743 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 64 [2023-11-26 10:49:58,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:58,744 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2023-11-26 10:49:58,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 10:49:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2023-11-26 10:49:58,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-26 10:49:58,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:58,746 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:58,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:49:58,747 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:58,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:58,747 INFO L85 PathProgramCache]: Analyzing trace with hash 2059166729, now seen corresponding path program 1 times [2023-11-26 10:49:58,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:58,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049947561] [2023-11-26 10:49:58,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:58,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:58,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:49:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:49:58,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:49:58,908 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:49:58,910 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:49:58,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:49:58,916 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-26 10:49:58,920 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:49:58,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 10:49:58,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short12 could not be translated [2023-11-26 10:49:58,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:49:58 BoogieIcfgContainer [2023-11-26 10:49:58,979 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:49:58,980 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:49:58,980 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:49:58,980 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:49:58,981 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:54" (3/4) ... [2023-11-26 10:49:58,983 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:49:58,984 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:49:58,986 INFO L158 Benchmark]: Toolchain (without parser) took 5924.66ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 130.0MB in the beginning and 64.0MB in the end (delta: 65.9MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2023-11-26 10:49:58,986 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 113.2MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:49:58,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.40ms. Allocated memory is still 169.9MB. Free memory was 129.3MB in the beginning and 116.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:49:58,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.70ms. Allocated memory is still 169.9MB. Free memory was 116.7MB in the beginning and 114.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:49:58,988 INFO L158 Benchmark]: Boogie Preprocessor took 76.88ms. Allocated memory is still 169.9MB. Free memory was 114.0MB in the beginning and 111.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:49:58,990 INFO L158 Benchmark]: RCFGBuilder took 647.43ms. Allocated memory is still 169.9MB. Free memory was 111.1MB in the beginning and 92.3MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 10:49:58,991 INFO L158 Benchmark]: TraceAbstraction took 4649.82ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 92.2MB in the beginning and 64.0MB in the end (delta: 28.2MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2023-11-26 10:49:58,991 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 205.5MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:49:58,993 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 113.2MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.40ms. Allocated memory is still 169.9MB. Free memory was 129.3MB in the beginning and 116.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.70ms. Allocated memory is still 169.9MB. Free memory was 116.7MB in the beginning and 114.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.88ms. Allocated memory is still 169.9MB. Free memory was 114.0MB in the beginning and 111.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 647.43ms. Allocated memory is still 169.9MB. Free memory was 111.1MB in the beginning and 92.3MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4649.82ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 92.2MB in the beginning and 64.0MB in the end (delta: 28.2MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 205.5MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short12 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 someBinaryFLOATComparisonOperation at line 87, overapproximation of bitwiseAnd at line 52, overapproximation of someBinaryArithmeticFLOAToperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -5; [L23] unsigned char var_1_4 = 0; [L24] unsigned short int var_1_5 = 256; [L25] unsigned short int var_1_6 = 44772; [L26] float var_1_7 = 5.9; [L27] float var_1_8 = 7.6; [L28] float var_1_9 = 64.2; [L29] float var_1_10 = 128.75; [L30] unsigned long int var_1_11 = 8; [L31] unsigned long int var_1_12 = 3135928546; [L32] signed short int last_1_var_1_1 = -5; [L33] unsigned long int last_1_var_1_11 = 8; [L91] isInitial = 1 [L92] FCALL initially() [L93] COND TRUE 1 [L94] CALL updateLastVariables() [L83] last_1_var_1_1 = var_1_1 [L84] last_1_var_1_11 = var_1_11 [L94] RET updateLastVariables() [L95] CALL updateVariables() [L66] var_1_4 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L67] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L68] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L68] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=44772, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L69] var_1_6 = __VERIFIER_nondet_ushort() [L70] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L70] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L71] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L71] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_8=38/5, var_1_9=321/5] [L72] var_1_8 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_8 >= -115292.1504606845700e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 1152921.504606845700e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_9=321/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_9=321/5] [L73] RET assume_abort_if_not((var_1_8 >= -115292.1504606845700e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 1152921.504606845700e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10, var_1_9=321/5] [L74] var_1_9 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L75] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_10=515/4, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L76] var_1_10 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L77] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=3135928546, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L78] var_1_12 = __VERIFIER_nondet_ulong() [L79] CALL assume_abort_if_not(var_1_12 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L79] RET assume_abort_if_not(var_1_12 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L80] CALL assume_abort_if_not(var_1_12 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L80] RET assume_abort_if_not(var_1_12 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L95] RET updateVariables() [L96] CALL step() [L37] signed long int stepLocal_0 = last_1_var_1_1; VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=256, var_1_6=65534, var_1_7=59/10] [L38] COND TRUE \read(var_1_4) [L39] var_1_5 = last_1_var_1_1 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-5, var_1_4=1, var_1_5=65531, var_1_6=65534, var_1_7=59/10] [L45] COND TRUE var_1_5 == var_1_5 [L46] var_1_1 = (var_1_5 + -16) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-21, var_1_4=1, var_1_5=65531, var_1_6=65534, var_1_7=59/10] [L52] EXPR var_1_5 & last_1_var_1_11 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-21, var_1_4=1, var_1_5=65531, var_1_6=65534, var_1_7=59/10] [L52] COND TRUE last_1_var_1_11 >= (var_1_5 & last_1_var_1_11) [L53] var_1_11 = ((((((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) < ((var_1_12 - last_1_var_1_11))) ? (((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) : ((var_1_12 - last_1_var_1_11)))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-21, var_1_4=1, var_1_5=65531, var_1_6=65534, var_1_7=59/10] [L61] COND TRUE var_1_1 < var_1_5 [L62] var_1_7 = (((10.25f + var_1_8) + var_1_9) + var_1_10) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, stepLocal_0=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-21, var_1_4=1, var_1_5=65531, var_1_6=65534] [L96] RET step() [L97] CALL, EXPR property() [L87] EXPR ((((var_1_5 == var_1_5) ? (var_1_1 == ((signed short int) (var_1_5 + -16))) : (var_1_4 ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && (var_1_4 ? (var_1_5 == ((unsigned short int) last_1_var_1_1)) : ((last_1_var_1_1 <= last_1_var_1_1) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_11) > ((var_1_6 - 8))) ? (last_1_var_1_11) : ((var_1_6 - 8)))))) : 1))) && ((var_1_1 < var_1_5) ? (var_1_7 == ((float) (((10.25f + var_1_8) + var_1_9) + var_1_10))) : 1)) && ((last_1_var_1_11 >= (var_1_5 & last_1_var_1_11)) ? (var_1_11 == ((unsigned long int) ((((((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) < ((var_1_12 - last_1_var_1_11))) ? (((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) : ((var_1_12 - last_1_var_1_11)))))) : ((5.7 < var_1_9) ? (var_1_11 == ((unsigned long int) last_1_var_1_11)) : (var_1_11 == ((unsigned long int) last_1_var_1_11)))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-21, var_1_4=1, var_1_5=65531, var_1_6=65534] [L87-L88] return ((((var_1_5 == var_1_5) ? (var_1_1 == ((signed short int) (var_1_5 + -16))) : (var_1_4 ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && (var_1_4 ? (var_1_5 == ((unsigned short int) last_1_var_1_1)) : ((last_1_var_1_1 <= last_1_var_1_1) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_11) > ((var_1_6 - 8))) ? (last_1_var_1_11) : ((var_1_6 - 8)))))) : 1))) && ((var_1_1 < var_1_5) ? (var_1_7 == ((float) (((10.25f + var_1_8) + var_1_9) + var_1_10))) : 1)) && ((last_1_var_1_11 >= (var_1_5 & last_1_var_1_11)) ? (var_1_11 == ((unsigned long int) ((((((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) < ((var_1_12 - last_1_var_1_11))) ? (((((((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) < (var_1_6)) ? (((((50u) < (last_1_var_1_11)) ? (50u) : (last_1_var_1_11)))) : (var_1_6)))) : ((var_1_12 - last_1_var_1_11)))))) : ((5.7 < var_1_9) ? (var_1_11 == ((unsigned long int) last_1_var_1_11)) : (var_1_11 == ((unsigned long int) last_1_var_1_11)))) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-21, var_1_4=1, var_1_5=65531, var_1_6=65534] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=8, last_1_var_1_1=-5, var_1_11=8, var_1_12=4294967294, var_1_1=-21, var_1_4=1, var_1_5=65531, var_1_6=65534] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 5, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 345 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 510 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 318 mSDsCounter, 122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 350 IncrementalHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 122 mSolverCounterUnsat, 192 mSDtfsCounter, 350 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 88 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 317 NumberOfCodeBlocks, 317 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 991 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 576/576 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 [2023-11-26 10:49:59,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme --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 332bcce48a0139e2df6284710a9b0ccad22d833566bbd5ef3ad1522424ad9314 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:50:01,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:50:01,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:50:01,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:50:01,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:50:01,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:50:01,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:50:01,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:50:01,843 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:50:01,843 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:50:01,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:50:01,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:50:01,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:50:01,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:50:01,846 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:50:01,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:50:01,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:50:01,848 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:50:01,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:50:01,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:50:01,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:50:01,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:50:01,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:50:01,851 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:50:01,851 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:50:01,852 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:50:01,852 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:50:01,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:50:01,853 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:50:01,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:50:01,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:50:01,855 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:50:01,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:50:01,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:50:01,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:50:01,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:50:01,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:50:01,858 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:50:01,858 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:50:01,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:50:01,859 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:50:01,859 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:50:01,859 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:50:01,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:50:01,860 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:50:01,860 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_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 332bcce48a0139e2df6284710a9b0ccad22d833566bbd5ef3ad1522424ad9314 [2023-11-26 10:50:02,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:50:02,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:50:02,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:50:02,293 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:50:02,294 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:50:02,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i [2023-11-26 10:50:05,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:50:05,830 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:50:05,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i [2023-11-26 10:50:05,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/data/5951b5a06/5cf68875231a40df9e56124b93631fe9/FLAG17ec6b9ff [2023-11-26 10:50:05,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/data/5951b5a06/5cf68875231a40df9e56124b93631fe9 [2023-11-26 10:50:05,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:50:05,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:50:05,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:50:05,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:50:05,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:50:05,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:50:05" (1/1) ... [2023-11-26 10:50:05,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b455f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:05, skipping insertion in model container [2023-11-26 10:50:05,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:50:05" (1/1) ... [2023-11-26 10:50:05,912 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:50:06,066 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i[917,930] [2023-11-26 10:50:06,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:50:06,126 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:50:06,144 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-22.i[917,930] [2023-11-26 10:50:06,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:50:06,188 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:50:06,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:06 WrapperNode [2023-11-26 10:50:06,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:50:06,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:50:06,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:50:06,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:50:06,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:06" (1/1) ... [2023-11-26 10:50:06,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:06" (1/1) ... [2023-11-26 10:50:06,237 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2023-11-26 10:50:06,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:50:06,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:50:06,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:50:06,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:50:06,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:06" (1/1) ... [2023-11-26 10:50:06,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:06" (1/1) ... [2023-11-26 10:50:06,265 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:06" (1/1) ... [2023-11-26 10:50:06,292 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]. [2023-11-26 10:50:06,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:06" (1/1) ... [2023-11-26 10:50:06,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:06" (1/1) ... [2023-11-26 10:50:06,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:06" (1/1) ... [2023-11-26 10:50:06,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:06" (1/1) ... [2023-11-26 10:50:06,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:06" (1/1) ... [2023-11-26 10:50:06,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:06" (1/1) ... [2023-11-26 10:50:06,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:50:06,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:50:06,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:50:06,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:50:06,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:06" (1/1) ... [2023-11-26 10:50:06,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:50:06,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:50:06,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:50:06,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:50:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:50:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:50:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:50:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:50:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:50:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:50:06,558 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:50:06,560 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:50:08,761 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:50:08,819 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:50:08,819 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:50:08,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:08 BoogieIcfgContainer [2023-11-26 10:50:08,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:50:08,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:50:08,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:50:08,826 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:50:08,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:50:05" (1/3) ... [2023-11-26 10:50:08,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b706a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:50:08, skipping insertion in model container [2023-11-26 10:50:08,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:06" (2/3) ... [2023-11-26 10:50:08,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b706a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:50:08, skipping insertion in model container [2023-11-26 10:50:08,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:08" (3/3) ... [2023-11-26 10:50:08,829 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-22.i [2023-11-26 10:50:08,848 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:50:08,849 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:50:08,921 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:50:08,928 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@66e037c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:50:08,929 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:50:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 24 states have internal predecessors, (35), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 10:50:08,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-26 10:50:08,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:50:08,945 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:08,946 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:50:08,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:08,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1052797125, now seen corresponding path program 1 times [2023-11-26 10:50:08,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:50:08,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550959076] [2023-11-26 10:50:08,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:08,968 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 [2023-11-26 10:50:08,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:50:08,972 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:50:08,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f96cfa-7d9a-42c8-b87b-ae23220ea3a2/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:50:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:09,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-26 10:50:09,607 INFO L285 TraceCheckSpWp]: Computing forward predicates...