./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU --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 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:15:06,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:15:06,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:15:06,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:15:06,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:15:06,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:15:06,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:15:06,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:15:06,380 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:15:06,381 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:15:06,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:15:06,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:15:06,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:15:06,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:15:06,386 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:15:06,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:15:06,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:15:06,391 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:15:06,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:15:06,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:15:06,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:15:06,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:15:06,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:15:06,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:15:06,405 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:15:06,406 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:15:06,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:15:06,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:15:06,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:15:06,407 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:15:06,407 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:15:06,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:15:06,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:06,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:15:06,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:15:06,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:15:06,410 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:15:06,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:15:06,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:15:06,411 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:15:06,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:15:06,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:15:06,412 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_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f [2024-10-31 22:15:06,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:15:06,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:15:06,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:15:06,743 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:15:06,744 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:15:06,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i Unable to find full path for "g++" [2024-10-31 22:15:08,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:15:08,994 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:15:08,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2024-10-31 22:15:09,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/data/a736f2c1b/2b271ea8b21e4820959a7cdeced53a96/FLAG67356f451 [2024-10-31 22:15:09,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/data/a736f2c1b/2b271ea8b21e4820959a7cdeced53a96 [2024-10-31 22:15:09,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:15:09,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:15:09,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:09,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:15:09,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:15:09,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:09" (1/1) ... [2024-10-31 22:15:09,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b051c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09, skipping insertion in model container [2024-10-31 22:15:09,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:09" (1/1) ... [2024-10-31 22:15:09,079 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:15:09,341 WARN L251 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_ce3cf804-c65e-4c80-aa07-fd0da1949af0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-10-31 22:15:09,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:09,425 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:15:09,438 WARN L251 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_ce3cf804-c65e-4c80-aa07-fd0da1949af0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-10-31 22:15:09,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:09,499 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:15:09,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09 WrapperNode [2024-10-31 22:15:09,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:09,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:09,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:15:09,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:15:09,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09" (1/1) ... [2024-10-31 22:15:09,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09" (1/1) ... [2024-10-31 22:15:09,560 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-10-31 22:15:09,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:09,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:15:09,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:15:09,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:15:09,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09" (1/1) ... [2024-10-31 22:15:09,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09" (1/1) ... [2024-10-31 22:15:09,575 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09" (1/1) ... [2024-10-31 22:15:09,589 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:15:09,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09" (1/1) ... [2024-10-31 22:15:09,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09" (1/1) ... [2024-10-31 22:15:09,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09" (1/1) ... [2024-10-31 22:15:09,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09" (1/1) ... [2024-10-31 22:15:09,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09" (1/1) ... [2024-10-31 22:15:09,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09" (1/1) ... [2024-10-31 22:15:09,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:15:09,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:15:09,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:15:09,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:15:09,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09" (1/1) ... [2024-10-31 22:15:09,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:09,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:09,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:09,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:15:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:15:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:15:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:15:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:15:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:15:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:15:09,810 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:15:09,812 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:15:10,068 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:15:10,068 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:15:10,080 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:15:10,081 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:15:10,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:10 BoogieIcfgContainer [2024-10-31 22:15:10,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:15:10,084 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:15:10,084 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:15:10,088 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:15:10,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:15:09" (1/3) ... [2024-10-31 22:15:10,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd4e847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:10, skipping insertion in model container [2024-10-31 22:15:10,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:09" (2/3) ... [2024-10-31 22:15:10,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd4e847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:10, skipping insertion in model container [2024-10-31 22:15:10,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:10" (3/3) ... [2024-10-31 22:15:10,092 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-65.i [2024-10-31 22:15:10,113 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:15:10,113 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:15:10,176 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:15:10,182 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2447af5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:15:10,182 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:15:10,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 22:15:10,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-31 22:15:10,202 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:10,203 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:10,203 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:15:10,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:10,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1997361240, now seen corresponding path program 1 times [2024-10-31 22:15:10,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:10,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352525187] [2024-10-31 22:15:10,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:10,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:15:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:15:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:15:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:15:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:15:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:15:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:15:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:15:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:15:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:15:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:15:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:15:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:15:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 22:15:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 22:15:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-31 22:15:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:10,592 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-31 22:15:10,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:10,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352525187] [2024-10-31 22:15:10,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352525187] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:10,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:10,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:10,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105917280] [2024-10-31 22:15:10,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:10,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:15:10,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:10,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:15:10,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:15:10,628 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-31 22:15:10,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:10,656 INFO L93 Difference]: Finished difference Result 93 states and 158 transitions. [2024-10-31 22:15:10,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:15:10,658 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-10-31 22:15:10,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:10,667 INFO L225 Difference]: With dead ends: 93 [2024-10-31 22:15:10,667 INFO L226 Difference]: Without dead ends: 46 [2024-10-31 22:15:10,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:15:10,676 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:10,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:15:10,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-31 22:15:10,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-10-31 22:15:10,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 22:15:10,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2024-10-31 22:15:10,719 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 102 [2024-10-31 22:15:10,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:10,720 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 66 transitions. [2024-10-31 22:15:10,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-31 22:15:10,720 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-10-31 22:15:10,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-31 22:15:10,724 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:10,724 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:10,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:15:10,724 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:15:10,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:10,725 INFO L85 PathProgramCache]: Analyzing trace with hash 925118552, now seen corresponding path program 1 times [2024-10-31 22:15:10,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:10,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398848273] [2024-10-31 22:15:10,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:10,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:15:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:15:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:15:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:15:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:15:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:15:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:15:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:15:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:15:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:15:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:15:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:15:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:15:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 22:15:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 22:15:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-31 22:15:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,590 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-31 22:15:13,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:13,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398848273] [2024-10-31 22:15:13,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398848273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:13,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:13,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-31 22:15:13,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483664943] [2024-10-31 22:15:13,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:13,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 22:15:13,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:13,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:15:13,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:15:13,597 INFO L87 Difference]: Start difference. First operand 46 states and 66 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-31 22:15:13,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:13,992 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2024-10-31 22:15:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:15:13,993 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 102 [2024-10-31 22:15:13,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:13,995 INFO L225 Difference]: With dead ends: 116 [2024-10-31 22:15:13,996 INFO L226 Difference]: Without dead ends: 73 [2024-10-31 22:15:13,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:15:13,998 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 31 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:13,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 359 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:15:13,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-10-31 22:15:14,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2024-10-31 22:15:14,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 47 states have internal predecessors, (56), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:15:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 92 transitions. [2024-10-31 22:15:14,023 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 92 transitions. Word has length 102 [2024-10-31 22:15:14,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:14,023 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 92 transitions. [2024-10-31 22:15:14,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-31 22:15:14,024 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2024-10-31 22:15:14,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-31 22:15:14,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:14,029 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:14,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:15:14,030 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:15:14,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:14,030 INFO L85 PathProgramCache]: Analyzing trace with hash -2108976808, now seen corresponding path program 1 times [2024-10-31 22:15:14,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:14,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598240188] [2024-10-31 22:15:14,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:14,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:14,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:14,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:14,207 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:15:14,209 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:15:14,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:15:14,215 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-31 22:15:14,315 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:15:14,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:15:14 BoogieIcfgContainer [2024-10-31 22:15:14,323 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:15:14,323 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:15:14,323 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:15:14,323 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:15:14,326 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:10" (3/4) ... [2024-10-31 22:15:14,329 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:15:14,330 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:15:14,331 INFO L158 Benchmark]: Toolchain (without parser) took 5295.41ms. Allocated memory was 134.2MB in the beginning and 216.0MB in the end (delta: 81.8MB). Free memory was 69.4MB in the beginning and 107.0MB in the end (delta: -37.5MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2024-10-31 22:15:14,332 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 134.2MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:15:14,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.40ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 69.3MB in the beginning and 135.4MB in the end (delta: -66.1MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-10-31 22:15:14,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.89ms. Allocated memory is still 169.9MB. Free memory was 135.4MB in the beginning and 132.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:15:14,333 INFO L158 Benchmark]: Boogie Preprocessor took 52.61ms. Allocated memory is still 169.9MB. Free memory was 132.5MB in the beginning and 130.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:15:14,337 INFO L158 Benchmark]: RCFGBuilder took 467.14ms. Allocated memory is still 169.9MB. Free memory was 130.4MB in the beginning and 129.4MB in the end (delta: 972.6kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:15:14,338 INFO L158 Benchmark]: TraceAbstraction took 4238.80ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 128.5MB in the beginning and 107.0MB in the end (delta: 21.5MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2024-10-31 22:15:14,338 INFO L158 Benchmark]: Witness Printer took 7.33ms. Allocated memory is still 216.0MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:15:14,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 134.2MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.40ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 69.3MB in the beginning and 135.4MB in the end (delta: -66.1MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.89ms. Allocated memory is still 169.9MB. Free memory was 135.4MB in the beginning and 132.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.61ms. Allocated memory is still 169.9MB. Free memory was 132.5MB in the beginning and 130.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.14ms. Allocated memory is still 169.9MB. Free memory was 130.4MB in the beginning and 129.4MB in the end (delta: 972.6kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4238.80ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 128.5MB in the beginning and 107.0MB in the end (delta: 21.5MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * Witness Printer took 7.33ms. Allocated memory is still 216.0MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 to_int at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 1000000000; [L23] unsigned char var_1_3 = 1; [L24] signed long int var_1_4 = 8; [L25] signed long int var_1_5 = -32; [L26] signed long int var_1_9 = 100; [L27] signed long int var_1_12 = 25; [L28] signed long int var_1_13 = 63; [L29] signed long int var_1_14 = 0; [L30] signed long int var_1_15 = 0; [L31] signed char var_1_16 = -8; [L32] signed char var_1_17 = 8; [L33] unsigned short int var_1_18 = 2; [L34] unsigned short int var_1_19 = 50; [L35] unsigned short int var_1_20 = 0; [L36] signed long int last_1_var_1_9 = 100; VAL [isInitial=0, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] CALL updateLastVariables() [L90] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L100] RET updateLastVariables() [L101] CALL updateVariables() [L64] var_1_3 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_4=8, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_4=8, var_1_5=-32, var_1_9=100] [L65] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_4=8, var_1_5=-32, var_1_9=100] [L66] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L66] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L67] var_1_4 = __VERIFIER_nondet_long() [L68] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L68] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L69] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L69] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L70] var_1_12 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L71] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L72] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L72] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L73] var_1_13 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L74] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L75] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L75] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L76] var_1_14 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L77] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L78] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L78] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L79] var_1_15 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L80] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L81] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L81] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L82] var_1_17 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L83] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L84] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L84] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L85] var_1_19 = __VERIFIER_nondet_ushort() [L86] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L86] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L87] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=-65536, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=-65536, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L87] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=-65536, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L101] RET updateVariables() [L102] CALL step() [L40] COND FALSE !(0.625f > last_1_var_1_9) [L45] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=-127, var_1_18=2, var_1_19=-65536, var_1_1=0, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L47] var_1_16 = var_1_17 [L48] var_1_18 = var_1_19 [L49] var_1_20 = var_1_19 VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L50] COND TRUE \read(var_1_3) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L51] COND TRUE var_1_20 >= ((var_1_18 - var_1_20) * 64) [L52] var_1_9 = (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-32] [L59] COND TRUE var_1_4 > var_1_9 [L60] var_1_5 = (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-2, var_1_9=-1] [L102] RET step() [L103] CALL, EXPR property() [L93-L94] return ((((((0.625f > last_1_var_1_9) ? (var_1_3 ? (var_1_1 == ((signed long int) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) : (var_1_1 == ((signed long int) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) && ((var_1_4 > var_1_9) ? (var_1_5 == ((signed long int) (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)))) : 1)) && (var_1_3 ? ((var_1_20 >= ((var_1_18 - var_1_20) * 64)) ? (var_1_9 == ((signed long int) (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13))) : 1) : ((var_1_1 <= var_1_1) ? (var_1_9 == ((signed long int) (var_1_13 - (var_1_14 - var_1_15)))) : 1))) && (var_1_16 == ((signed char) var_1_17))) && (var_1_18 == ((unsigned short int) var_1_19))) && (var_1_20 == ((unsigned short int) var_1_19)) ; VAL [\result=0, isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-2, var_1_9=-1] [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-2, var_1_9=-1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=100, var_1_12=0, var_1_13=0, var_1_14=2147483647, var_1_15=0, var_1_16=-127, var_1_17=-127, var_1_18=-65536, var_1_19=-65536, var_1_1=0, var_1_20=-65536, var_1_3=1, var_1_4=0, var_1_5=-2, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 425 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 290 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 135 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 485 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 960/960 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:15:14,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU --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 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:15:16,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:15:16,969 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:15:16,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:15:16,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:15:17,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:15:17,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:15:17,016 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:15:17,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:15:17,020 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:15:17,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:15:17,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:15:17,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:15:17,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:15:17,025 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:15:17,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:15:17,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:15:17,027 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:15:17,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:15:17,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:15:17,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:15:17,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:15:17,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:15:17,033 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:15:17,033 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:15:17,033 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:15:17,034 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:15:17,034 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:15:17,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:15:17,034 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:15:17,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:15:17,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:15:17,035 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:15:17,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:15:17,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:17,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:15:17,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:15:17,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:15:17,041 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:15:17,041 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:15:17,041 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:15:17,041 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:15:17,042 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:15:17,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:15:17,042 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:15:17,042 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_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f [2024-10-31 22:15:17,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:15:17,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:15:17,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:15:17,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:15:17,492 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:15:17,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i Unable to find full path for "g++" [2024-10-31 22:15:19,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:15:20,116 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:15:20,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2024-10-31 22:15:20,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/data/c2f41cff5/2a173a6a46c849de8be78bf80de7942e/FLAGad223a502 [2024-10-31 22:15:20,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/data/c2f41cff5/2a173a6a46c849de8be78bf80de7942e [2024-10-31 22:15:20,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:15:20,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:15:20,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:20,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:15:20,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:15:20,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:20" (1/1) ... [2024-10-31 22:15:20,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59747931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20, skipping insertion in model container [2024-10-31 22:15:20,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:20" (1/1) ... [2024-10-31 22:15:20,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:15:20,412 WARN L251 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_ce3cf804-c65e-4c80-aa07-fd0da1949af0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-10-31 22:15:20,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:20,499 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:15:20,526 WARN L251 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_ce3cf804-c65e-4c80-aa07-fd0da1949af0/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2024-10-31 22:15:20,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:20,613 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:15:20,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20 WrapperNode [2024-10-31 22:15:20,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:20,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:20,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:15:20,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:15:20,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20" (1/1) ... [2024-10-31 22:15:20,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20" (1/1) ... [2024-10-31 22:15:20,675 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-10-31 22:15:20,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:20,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:15:20,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:15:20,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:15:20,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20" (1/1) ... [2024-10-31 22:15:20,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20" (1/1) ... [2024-10-31 22:15:20,698 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20" (1/1) ... [2024-10-31 22:15:20,717 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:15:20,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20" (1/1) ... [2024-10-31 22:15:20,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20" (1/1) ... [2024-10-31 22:15:20,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20" (1/1) ... [2024-10-31 22:15:20,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20" (1/1) ... [2024-10-31 22:15:20,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20" (1/1) ... [2024-10-31 22:15:20,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20" (1/1) ... [2024-10-31 22:15:20,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:15:20,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:15:20,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:15:20,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:15:20,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20" (1/1) ... [2024-10-31 22:15:20,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:20,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:20,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:20,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:15:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:15:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:15:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:15:20,827 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:15:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:15:20,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:15:20,942 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:15:20,944 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:15:27,874 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:15:27,875 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:15:27,895 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:15:27,897 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:15:27,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:27 BoogieIcfgContainer [2024-10-31 22:15:27,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:15:27,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:15:27,901 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:15:27,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:15:27,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:15:20" (1/3) ... [2024-10-31 22:15:27,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ffc92b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:27, skipping insertion in model container [2024-10-31 22:15:27,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:20" (2/3) ... [2024-10-31 22:15:27,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ffc92b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:27, skipping insertion in model container [2024-10-31 22:15:27,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:27" (3/3) ... [2024-10-31 22:15:27,909 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-65.i [2024-10-31 22:15:27,942 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:15:27,942 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:15:28,015 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:15:28,022 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@53e2f172, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:15:28,023 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:15:28,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 22:15:28,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-31 22:15:28,041 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:28,042 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:28,042 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:15:28,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:28,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1997361240, now seen corresponding path program 1 times [2024-10-31 22:15:28,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:15:28,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464078872] [2024-10-31 22:15:28,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:28,067 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:15:28,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:15:28,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:15:28,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-31 22:15:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:28,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:15:28,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:28,406 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-10-31 22:15:28,406 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:15:28,407 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:15:28,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464078872] [2024-10-31 22:15:28,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [464078872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:28,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:28,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:28,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345541943] [2024-10-31 22:15:28,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:28,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:15:28,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:15:28,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:15:28,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:15:28,442 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-31 22:15:28,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:28,483 INFO L93 Difference]: Finished difference Result 93 states and 158 transitions. [2024-10-31 22:15:28,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:15:28,485 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-10-31 22:15:28,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:28,493 INFO L225 Difference]: With dead ends: 93 [2024-10-31 22:15:28,494 INFO L226 Difference]: Without dead ends: 46 [2024-10-31 22:15:28,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:15:28,504 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:28,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:15:28,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-31 22:15:28,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-10-31 22:15:28,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 22:15:28,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2024-10-31 22:15:28,572 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 102 [2024-10-31 22:15:28,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:28,573 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 66 transitions. [2024-10-31 22:15:28,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-31 22:15:28,574 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-10-31 22:15:28,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-31 22:15:28,578 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:28,579 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:28,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 22:15:28,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:15:28,780 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:15:28,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:28,781 INFO L85 PathProgramCache]: Analyzing trace with hash 925118552, now seen corresponding path program 1 times [2024-10-31 22:15:28,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:15:28,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418027602] [2024-10-31 22:15:28,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:28,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:15:28,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:15:28,790 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:15:28,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-31 22:15:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:29,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:29,283 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-10-31 22:15:29,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1794840726] [2024-10-31 22:15:29,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:29,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-10-31 22:15:29,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/cvc4 [2024-10-31 22:15:29,296 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-10-31 22:15:29,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3cf804-c65e-4c80-aa07-fd0da1949af0/bin/uautomizer-verify-4GaUIPS5ZU/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-10-31 22:15:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:29,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-31 22:15:29,878 INFO L278 TraceCheckSpWp]: Computing forward predicates...