./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd --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 b6079d790658e1a78abce6fa1f3b917a6451d81b865c3317f26cfb8897cd3d37 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:12:48,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:12:48,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:12:48,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:12:48,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:12:48,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:12:48,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:12:48,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:12:48,339 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:12:48,339 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:12:48,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:12:48,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:12:48,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:12:48,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:12:48,340 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:12:48,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:12:48,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:12:48,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:12:48,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:12:48,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:12:48,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:12:48,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:12:48,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:12:48,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:12:48,342 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:12:48,342 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:12:48,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:12:48,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:12:48,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:12:48,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:12:48,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:12:48,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:12:48,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:12:48,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:12:48,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:12:48,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:12:48,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:12:48,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:12:48,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:12:48,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:12:48,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:12:48,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:12:48,344 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd 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 -> b6079d790658e1a78abce6fa1f3b917a6451d81b865c3317f26cfb8897cd3d37 [2024-11-13 13:12:48,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:12:48,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:12:48,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:12:48,650 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:12:48,651 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:12:48,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 13:12:50,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:12:51,006 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:12:51,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i [2024-11-13 13:12:51,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/data/144e782cb/2e1efff16c4149468ed84ae5c1b659dc/FLAG6368fcb61 [2024-11-13 13:12:51,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/data/144e782cb/2e1efff16c4149468ed84ae5c1b659dc [2024-11-13 13:12:51,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:12:51,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:12:51,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:12:51,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:12:51,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:12:51,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:12:51" (1/1) ... [2024-11-13 13:12:51,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf91e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:51, skipping insertion in model container [2024-11-13 13:12:51,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:12:51" (1/1) ... [2024-11-13 13:12:51,266 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:12:52,439 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1503) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3036) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1237) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3515) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 13:12:52,454 INFO L158 Benchmark]: Toolchain (without parser) took 1271.48ms. Allocated memory is still 117.4MB. Free memory was 88.2MB in the beginning and 68.4MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:12:52,457 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:12:52,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1268.13ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 68.4MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:12:52,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1268.13ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 68.4MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd --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 b6079d790658e1a78abce6fa1f3b917a6451d81b865c3317f26cfb8897cd3d37 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:12:55,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:12:55,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:12:55,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:12:55,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:12:55,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:12:55,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:12:55,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:12:55,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:12:55,502 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:12:55,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:12:55,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:12:55,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:12:55,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:12:55,504 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:12:55,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:12:55,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:12:55,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:12:55,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:12:55,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:12:55,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:12:55,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:12:55,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:12:55,506 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:12:55,506 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:12:55,506 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:12:55,507 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:12:55,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:12:55,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:12:55,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:12:55,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:12:55,507 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:12:55,507 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:12:55,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:12:55,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:12:55,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:12:55,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:12:55,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:12:55,508 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:12:55,508 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:12:55,508 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:12:55,509 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:12:55,509 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:12:55,509 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:12:55,509 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd 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 -> b6079d790658e1a78abce6fa1f3b917a6451d81b865c3317f26cfb8897cd3d37 [2024-11-13 13:12:55,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:12:55,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:12:55,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:12:55,846 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:12:55,846 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:12:55,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i Unable to find full path for "g++" [2024-11-13 13:12:58,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:12:58,529 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:12:58,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i [2024-11-13 13:12:58,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/data/4ce64d0f0/f0873abcd8464f90912cee81ece43c8f/FLAG92b0599be [2024-11-13 13:12:58,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/data/4ce64d0f0/f0873abcd8464f90912cee81ece43c8f [2024-11-13 13:12:58,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:12:58,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:12:58,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:12:58,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:12:58,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:12:58,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:12:58" (1/1) ... [2024-11-13 13:12:58,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4711650e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:12:58, skipping insertion in model container [2024-11-13 13:12:58,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:12:58" (1/1) ... [2024-11-13 13:12:58,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:13:00,130 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i[71475,71488] [2024-11-13 13:13:00,492 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 13:13:00,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:13:00,516 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:13:00,638 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i[71475,71488] [2024-11-13 13:13:00,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:13:01,027 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:13:01,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:01 WrapperNode [2024-11-13 13:13:01,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:13:01,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:13:01,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:13:01,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:13:01,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:01" (1/1) ... [2024-11-13 13:13:01,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:01" (1/1) ... [2024-11-13 13:13:01,148 INFO L138 Inliner]: procedures = 779, calls = 623, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1195 [2024-11-13 13:13:01,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:13:01,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:13:01,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:13:01,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:13:01,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:01" (1/1) ... [2024-11-13 13:13:01,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:01" (1/1) ... [2024-11-13 13:13:01,168 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:01" (1/1) ... [2024-11-13 13:13:01,236 INFO L175 MemorySlicer]: Split 423 memory accesses to 16 slices as follows [2, 7, 2, 4, 117, 19, 4, 2, 4, 44, 3, 6, 118, 4, 2, 85]. 28 percent of accesses are in the largest equivalence class. The 257 initializations are split as follows [2, 7, 2, 0, 26, 17, 1, 0, 0, 40, 0, 0, 88, 1, 0, 73]. The 84 writes are split as follows [0, 0, 0, 2, 69, 0, 0, 1, 2, 0, 2, 3, 0, 0, 1, 4]. [2024-11-13 13:13:01,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:01" (1/1) ... [2024-11-13 13:13:01,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:01" (1/1) ... [2024-11-13 13:13:01,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:01" (1/1) ... [2024-11-13 13:13:01,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:01" (1/1) ... [2024-11-13 13:13:01,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:01" (1/1) ... [2024-11-13 13:13:01,328 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:01" (1/1) ... [2024-11-13 13:13:01,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:13:01,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:13:01,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:13:01,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:13:01,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:01" (1/1) ... [2024-11-13 13:13:01,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:13:01,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:01,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:13:01,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:13:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-13 13:13:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-13 13:13:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-13 13:13:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-13 13:13:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-13 13:13:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-13 13:13:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-13 13:13:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-13 13:13:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-13 13:13:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-13 13:13:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-13 13:13:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-13 13:13:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-13 13:13:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-13 13:13:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-13 13:13:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-13 13:13:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-13 13:13:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-13 13:13:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-13 13:13:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-13 13:13:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-13 13:13:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-13 13:13:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-13 13:13:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-13 13:13:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-13 13:13:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-13 13:13:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-13 13:13:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-13 13:13:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2024-11-13 13:13:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#13 [2024-11-13 13:13:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#14 [2024-11-13 13:13:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#15 [2024-11-13 13:13:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:13:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:13:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:13:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-13 13:13:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-13 13:13:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-13 13:13:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-13 13:13:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-13 13:13:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-13 13:13:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-13 13:13:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-13 13:13:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-13 13:13:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-13 13:13:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-13 13:13:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-13 13:13:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-13 13:13:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-13 13:13:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-13 13:13:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-13 13:13:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-13 13:13:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-13 13:13:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-13 13:13:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-13 13:13:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-13 13:13:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-13 13:13:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-13 13:13:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-13 13:13:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-13 13:13:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-13 13:13:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-13 13:13:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-13 13:13:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-13 13:13:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-13 13:13:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-13 13:13:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-13 13:13:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 13:13:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 13:13:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 13:13:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 13:13:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 13:13:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 13:13:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 13:13:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-13 13:13:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-13 13:13:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-13 13:13:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-13 13:13:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-13 13:13:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-13 13:13:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-13 13:13:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-13 13:13:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-13 13:13:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-13 13:13:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-13 13:13:01,437 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-13 13:13:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-13 13:13:01,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-13 13:13:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:13:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:13:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 13:13:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 13:13:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 13:13:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-13 13:13:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-13 13:13:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-13 13:13:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-13 13:13:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-13 13:13:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-13 13:13:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-13 13:13:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-13 13:13:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-13 13:13:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-13 13:13:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-13 13:13:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-13 13:13:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-13 13:13:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-13 13:13:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-13 13:13:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-13 13:13:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-13 13:13:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-13 13:13:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-13 13:13:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-13 13:13:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-13 13:13:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-13 13:13:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-13 13:13:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-13 13:13:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-13 13:13:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-13 13:13:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-13 13:13:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-13 13:13:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-13 13:13:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-13 13:13:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-13 13:13:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-13 13:13:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-13 13:13:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-13 13:13:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-13 13:13:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-13 13:13:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-13 13:13:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-13 13:13:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-13 13:13:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-13 13:13:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-13 13:13:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-13 13:13:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-13 13:13:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-13 13:13:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-13 13:13:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-13 13:13:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-13 13:13:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-13 13:13:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 13:13:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 13:13:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 13:13:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-13 13:13:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-13 13:13:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-13 13:13:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-13 13:13:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-13 13:13:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-13 13:13:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-13 13:13:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-13 13:13:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-13 13:13:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-13 13:13:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-13 13:13:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-13 13:13:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-13 13:13:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 13:13:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 13:13:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 13:13:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 13:13:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 13:13:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 13:13:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-13 13:13:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-13 13:13:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-13 13:13:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-13 13:13:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-13 13:13:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-13 13:13:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-13 13:13:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-13 13:13:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-13 13:13:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-13 13:13:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-13 13:13:01,452 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-13 13:13:02,024 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:13:02,027 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:13:26,542 INFO L? ?]: Removed 292 outVars from TransFormulas that were not future-live. [2024-11-13 13:13:26,542 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:13:26,560 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:13:26,562 INFO L316 CfgBuilder]: Removed 44 assume(true) statements. [2024-11-13 13:13:26,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:13:26 BoogieIcfgContainer [2024-11-13 13:13:26,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:13:26,566 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:13:26,566 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:13:26,570 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:13:26,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:12:58" (1/3) ... [2024-11-13 13:13:26,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@735c1299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:13:26, skipping insertion in model container [2024-11-13 13:13:26,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:01" (2/3) ... [2024-11-13 13:13:26,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@735c1299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:13:26, skipping insertion in model container [2024-11-13 13:13:26,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:13:26" (3/3) ... [2024-11-13 13:13:26,574 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i [2024-11-13 13:13:26,589 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:13:26,591 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG poly_4_4_4_4_thresh_4_unsafe.c-amalgamation.i that has 21 procedures, 243 locations, 1 initial locations, 60 loop locations, and 1 error locations. [2024-11-13 13:13:26,667 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:13:26,684 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;@28d83350, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:13:26,684 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:13:26,688 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 163 states have (on average 1.6809815950920246) internal successors, (274), 164 states have internal predecessors, (274), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 13:13:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-13 13:13:26,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:26,721 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:26,721 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:26,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:26,727 INFO L85 PathProgramCache]: Analyzing trace with hash -2048125029, now seen corresponding path program 1 times [2024-11-13 13:13:26,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:13:26,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061367570] [2024-11-13 13:13:26,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:26,747 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:13:26,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:13:26,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:13:26,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 13:13:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:31,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 2065 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:13:31,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-13 13:13:31,239 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:13:31,240 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:13:31,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061367570] [2024-11-13 13:13:31,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2061367570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:31,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:31,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:13:31,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066363396] [2024-11-13 13:13:31,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:31,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:13:31,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:13:31,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:13:31,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:13:31,271 INFO L87 Difference]: Start difference. First operand has 183 states, 163 states have (on average 1.6809815950920246) internal successors, (274), 164 states have internal predecessors, (274), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 13:13:31,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:31,325 INFO L93 Difference]: Finished difference Result 363 states and 607 transitions. [2024-11-13 13:13:31,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:13:31,328 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 133 [2024-11-13 13:13:31,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:31,340 INFO L225 Difference]: With dead ends: 363 [2024-11-13 13:13:31,340 INFO L226 Difference]: Without dead ends: 179 [2024-11-13 13:13:31,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:13:31,350 INFO L432 NwaCegarLoop]: 254 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, 254 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:31,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:13:31,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-13 13:13:31,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-13 13:13:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 160 states have (on average 1.4) internal successors, (224), 160 states have internal predecessors, (224), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 13:13:31,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 250 transitions. [2024-11-13 13:13:31,417 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 250 transitions. Word has length 133 [2024-11-13 13:13:31,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:31,419 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 250 transitions. [2024-11-13 13:13:31,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 13:13:31,420 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 250 transitions. [2024-11-13 13:13:31,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-13 13:13:31,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:31,430 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:31,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 13:13:31,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:13:31,631 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:13:31,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:31,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1182479049, now seen corresponding path program 1 times [2024-11-13 13:13:31,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:13:31,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073467785] [2024-11-13 13:13:31,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:31,636 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:13:31,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:13:31,638 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:13:31,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 13:13:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:35,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 2065 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 13:13:35,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 13:13:37,480 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:13:37,480 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:13:37,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073467785] [2024-11-13 13:13:37,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073467785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:37,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:37,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 13:13:37,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241401833] [2024-11-13 13:13:37,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:37,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:13:37,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:13:37,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:13:37,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:13:37,487 INFO L87 Difference]: Start difference. First operand 179 states and 250 transitions. Second operand has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-13 13:13:41,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:13:45,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:13:49,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:13:53,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:13:57,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:01,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:05,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:10,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:15,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:17,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:20,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:24,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:28,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:32,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:37,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:43,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:46,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:51,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:55,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:14:55,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:55,039 INFO L93 Difference]: Finished difference Result 560 states and 795 transitions. [2024-11-13 13:14:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:14:55,043 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 4 states have call successors, (9) Word has length 133 [2024-11-13 13:14:55,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:14:55,048 INFO L225 Difference]: With dead ends: 560 [2024-11-13 13:14:55,049 INFO L226 Difference]: Without dead ends: 386 [2024-11-13 13:14:55,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 122 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:14:55,051 INFO L432 NwaCegarLoop]: 347 mSDtfsCounter, 563 mSDsluCounter, 2117 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 18 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:14:55,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 2464 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 613 Invalid, 15 Unknown, 0 Unchecked, 76.6s Time] [2024-11-13 13:14:55,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-13 13:14:55,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 369. [2024-11-13 13:14:55,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 328 states have (on average 1.4054878048780488) internal successors, (461), 332 states have internal predecessors, (461), 27 states have call successors, (27), 10 states have call predecessors, (27), 13 states have return successors, (40), 26 states have call predecessors, (40), 27 states have call successors, (40) [2024-11-13 13:14:55,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 528 transitions. [2024-11-13 13:14:55,109 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 528 transitions. Word has length 133 [2024-11-13 13:14:55,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:14:55,110 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 528 transitions. [2024-11-13 13:14:55,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-13 13:14:55,110 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 528 transitions. [2024-11-13 13:14:55,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-13 13:14:55,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:14:55,114 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:55,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 13:14:55,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:14:55,315 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:14:55,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:55,316 INFO L85 PathProgramCache]: Analyzing trace with hash 729348433, now seen corresponding path program 1 times [2024-11-13 13:14:55,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:14:55,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833031273] [2024-11-13 13:14:55,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:55,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:14:55,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:14:55,321 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:14:55,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-13 13:14:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:58,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 2109 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 13:14:58,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:15:00,420 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-13 13:15:00,420 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:15:00,420 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:15:00,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [833031273] [2024-11-13 13:15:00,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [833031273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:15:00,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:15:00,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 13:15:00,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759049990] [2024-11-13 13:15:00,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:15:00,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:15:00,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:15:00,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:15:00,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:15:00,424 INFO L87 Difference]: Start difference. First operand 369 states and 528 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 13:15:04,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:15:08,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:15:12,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:15:16,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:15:20,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:15:26,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:15:26,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:15:26,295 INFO L93 Difference]: Finished difference Result 757 states and 1088 transitions. [2024-11-13 13:15:26,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:15:26,296 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 137 [2024-11-13 13:15:26,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:15:26,300 INFO L225 Difference]: With dead ends: 757 [2024-11-13 13:15:26,301 INFO L226 Difference]: Without dead ends: 393 [2024-11-13 13:15:26,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 126 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:15:26,303 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 449 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 33 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 1319 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:15:26,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 1319 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 265 Invalid, 5 Unknown, 0 Unchecked, 25.3s Time] [2024-11-13 13:15:26,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-13 13:15:26,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 381. [2024-11-13 13:15:26,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 338 states have (on average 1.4023668639053255) internal successors, (474), 342 states have internal predecessors, (474), 28 states have call successors, (28), 10 states have call predecessors, (28), 14 states have return successors, (45), 28 states have call predecessors, (45), 28 states have call successors, (45) [2024-11-13 13:15:26,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 547 transitions. [2024-11-13 13:15:26,383 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 547 transitions. Word has length 137 [2024-11-13 13:15:26,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:15:26,387 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 547 transitions. [2024-11-13 13:15:26,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 13:15:26,387 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 547 transitions. [2024-11-13 13:15:26,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-13 13:15:26,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:15:26,394 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:15:26,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-13 13:15:26,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:15:26,594 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:15:26,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:15:26,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1841533712, now seen corresponding path program 1 times [2024-11-13 13:15:26,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:15:26,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065110177] [2024-11-13 13:15:26,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:15:26,597 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:15:26,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:15:26,598 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:15:26,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-13 13:15:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:15:30,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 2120 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 13:15:30,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:15:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 108 proven. 1 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-13 13:15:32,321 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:15:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-13 13:15:37,955 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:15:37,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065110177] [2024-11-13 13:15:37,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065110177] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:15:37,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:15:37,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 20 [2024-11-13 13:15:37,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566321398] [2024-11-13 13:15:37,955 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:15:37,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-13 13:15:37,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:15:37,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-13 13:15:37,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-13 13:15:37,957 INFO L87 Difference]: Start difference. First operand 381 states and 547 transitions. Second operand has 20 states, 16 states have (on average 5.1875) internal successors, (83), 19 states have internal predecessors, (83), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-13 13:15:42,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:15:46,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:15:50,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:15:54,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:15:58,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:16:02,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:16:06,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:16:10,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:16:14,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:16:18,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:16:22,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:16:26,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:16:30,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:16:34,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:16:38,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:16:45,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:16:49,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:16:54,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-13 13:17:01,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-13 13:17:04,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:17:06,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:17:10,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:17:12,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:17:16,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:17:20,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:17:25,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:17:30,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:17:35,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:17:56,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:17:58,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:18:05,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:18:09,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:18:13,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:18:13,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:13,475 INFO L93 Difference]: Finished difference Result 998 states and 1452 transitions. [2024-11-13 13:18:13,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 13:18:13,476 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 5.1875) internal successors, (83), 19 states have internal predecessors, (83), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) Word has length 138 [2024-11-13 13:18:13,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:13,482 INFO L225 Difference]: With dead ends: 998 [2024-11-13 13:18:13,482 INFO L226 Difference]: Without dead ends: 622 [2024-11-13 13:18:13,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 21.7s TimeCoverageRelationStatistics Valid=196, Invalid=925, Unknown=1, NotChecked=0, Total=1122 [2024-11-13 13:18:13,486 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 513 mSDsluCounter, 4599 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 22 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 136.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 5031 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 138.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:13,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 5031 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1099 Invalid, 26 Unknown, 0 Unchecked, 138.2s Time] [2024-11-13 13:18:13,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-11-13 13:18:13,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 576. [2024-11-13 13:18:13,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 511 states have (on average 1.4109589041095891) internal successors, (721), 519 states have internal predecessors, (721), 41 states have call successors, (41), 15 states have call predecessors, (41), 23 states have return successors, (77), 41 states have call predecessors, (77), 41 states have call successors, (77) [2024-11-13 13:18:13,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 839 transitions. [2024-11-13 13:18:13,603 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 839 transitions. Word has length 138 [2024-11-13 13:18:13,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:13,603 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 839 transitions. [2024-11-13 13:18:13,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 5.1875) internal successors, (83), 19 states have internal predecessors, (83), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-13 13:18:13,603 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 839 transitions. [2024-11-13 13:18:13,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 13:18:13,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:13,609 INFO L215 NwaCegarLoop]: trace histogram [20, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:13,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-13 13:18:13,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:18:13,809 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:13,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:13,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1359444087, now seen corresponding path program 2 times [2024-11-13 13:18:13,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:18:13,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757341545] [2024-11-13 13:18:13,811 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:18:13,811 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:18:13,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:18:13,813 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:18:13,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/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 (6)] Waiting until timeout for monitored process [2024-11-13 13:18:16,967 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:18:16,967 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:18:17,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 1357 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:18:17,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-13 13:18:17,251 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:18:17,251 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:18:17,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757341545] [2024-11-13 13:18:17,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1757341545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:17,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:17,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:18:17,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794079362] [2024-11-13 13:18:17,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:17,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:18:17,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:18:17,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:18:17,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:18:17,254 INFO L87 Difference]: Start difference. First operand 576 states and 839 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 13:18:17,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:17,500 INFO L93 Difference]: Finished difference Result 1164 states and 1728 transitions. [2024-11-13 13:18:17,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:18:17,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 153 [2024-11-13 13:18:17,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:17,507 INFO L225 Difference]: With dead ends: 1164 [2024-11-13 13:18:17,507 INFO L226 Difference]: Without dead ends: 593 [2024-11-13 13:18:17,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:18:17,511 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 14 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:17,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 754 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:18:17,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-11-13 13:18:17,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 583. [2024-11-13 13:18:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 518 states have (on average 1.4054054054054055) internal successors, (728), 524 states have internal predecessors, (728), 41 states have call successors, (41), 15 states have call predecessors, (41), 23 states have return successors, (77), 43 states have call predecessors, (77), 41 states have call successors, (77) [2024-11-13 13:18:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 846 transitions. [2024-11-13 13:18:17,610 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 846 transitions. Word has length 153 [2024-11-13 13:18:17,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:17,610 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 846 transitions. [2024-11-13 13:18:17,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 13:18:17,610 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 846 transitions. [2024-11-13 13:18:17,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 13:18:17,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:17,615 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:17,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/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 (6)] Forceful destruction successful, exit code 0 [2024-11-13 13:18:17,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:18:17,816 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:17,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:17,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1809718812, now seen corresponding path program 1 times [2024-11-13 13:18:17,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:18:17,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078727534] [2024-11-13 13:18:17,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:17,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:18:17,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:18:17,820 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:18:17,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/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 (7)] Waiting until timeout for monitored process [2024-11-13 13:18:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:21,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 2115 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 13:18:21,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:23,707 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 116 proven. 10 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 13:18:23,707 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:18:30,512 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-13 13:18:30,513 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:18:30,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078727534] [2024-11-13 13:18:30,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078727534] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:18:30,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:18:30,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2024-11-13 13:18:30,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318835484] [2024-11-13 13:18:30,513 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:18:30,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 13:18:30,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:18:30,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 13:18:30,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2024-11-13 13:18:30,515 INFO L87 Difference]: Start difference. First operand 583 states and 846 transitions. Second operand has 26 states, 22 states have (on average 4.2272727272727275) internal successors, (93), 25 states have internal predecessors, (93), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-13 13:18:34,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:18:38,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:18:42,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:18:46,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:18:50,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:18:54,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:18:58,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:19:02,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:19:06,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:19:10,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:19:14,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:19:18,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:19:22,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:19:26,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:19:30,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:19:34,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:19:38,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:19:42,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:19:46,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:19:50,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:20:05,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-13 13:20:13,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:20:16,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-13 13:20:18,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-13 13:20:23,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:20:34,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:20:34,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:20:34,645 INFO L93 Difference]: Finished difference Result 1237 states and 1815 transitions. [2024-11-13 13:20:34,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 13:20:34,649 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 22 states have (on average 4.2272727272727275) internal successors, (93), 25 states have internal predecessors, (93), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) Word has length 140 [2024-11-13 13:20:34,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:20:34,654 INFO L225 Difference]: With dead ends: 1237 [2024-11-13 13:20:34,654 INFO L226 Difference]: Without dead ends: 659 [2024-11-13 13:20:34,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 255 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=261, Invalid=1379, Unknown=0, NotChecked=0, Total=1640 [2024-11-13 13:20:34,659 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 501 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 49 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 114.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 3168 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 115.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:20:34,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 3168 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 940 Invalid, 21 Unknown, 0 Unchecked, 115.6s Time] [2024-11-13 13:20:34,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-13 13:20:34,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 591. [2024-11-13 13:20:34,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 525 states have (on average 1.4076190476190475) internal successors, (739), 531 states have internal predecessors, (739), 41 states have call successors, (41), 15 states have call predecessors, (41), 24 states have return successors, (80), 44 states have call predecessors, (80), 41 states have call successors, (80) [2024-11-13 13:20:34,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 860 transitions. [2024-11-13 13:20:34,774 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 860 transitions. Word has length 140 [2024-11-13 13:20:34,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:20:34,774 INFO L471 AbstractCegarLoop]: Abstraction has 591 states and 860 transitions. [2024-11-13 13:20:34,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 22 states have (on average 4.2272727272727275) internal successors, (93), 25 states have internal predecessors, (93), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-13 13:20:34,774 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 860 transitions. [2024-11-13 13:20:34,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-13 13:20:34,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:20:34,779 INFO L215 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:20:34,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/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 (7)] Ended with exit code 0 [2024-11-13 13:20:34,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:20:34,980 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:20:34,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:20:34,980 INFO L85 PathProgramCache]: Analyzing trace with hash -940398172, now seen corresponding path program 2 times [2024-11-13 13:20:34,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:20:34,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316217553] [2024-11-13 13:20:34,981 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:20:34,982 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:20:34,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:20:34,983 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:20:34,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/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 (8)] Waiting until timeout for monitored process [2024-11-13 13:21:41,682 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 13:21:41,682 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:21:41,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 2159 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 13:21:41,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:21:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 132 proven. 36 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 13:21:44,573 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:21:54,951 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-13 13:21:54,951 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:21:54,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316217553] [2024-11-13 13:21:54,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [316217553] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:21:54,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:21:54,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 34 [2024-11-13 13:21:54,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786290462] [2024-11-13 13:21:54,952 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:21:54,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 13:21:54,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:21:54,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 13:21:54,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=942, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 13:21:54,954 INFO L87 Difference]: Start difference. First operand 591 states and 860 transitions. Second operand has 34 states, 30 states have (on average 3.3666666666666667) internal successors, (101), 33 states have internal predecessors, (101), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-13 13:21:59,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:22:03,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:22:07,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:22:11,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:15,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:22:19,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:22:23,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:22:27,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:22:31,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:35,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:22:39,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:22:43,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:22:47,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:22:51,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:22:55,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:22:59,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:03,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:23:07,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:23:11,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:23:15,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:23:19,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:23:23,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:23:27,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:23:31,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:23:35,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:23:39,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:43,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:23:47,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:24:04,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:24:06,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-13 13:24:08,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-13 13:24:21,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:24:35,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:24:35,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:24:35,485 INFO L93 Difference]: Finished difference Result 1272 states and 1877 transitions. [2024-11-13 13:24:35,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 13:24:35,489 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 30 states have (on average 3.3666666666666667) internal successors, (101), 33 states have internal predecessors, (101), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) Word has length 144 [2024-11-13 13:24:35,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:24:35,495 INFO L225 Difference]: With dead ends: 1272 [2024-11-13 13:24:35,495 INFO L226 Difference]: Without dead ends: 686 [2024-11-13 13:24:35,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 255 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 554 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=413, Invalid=2343, Unknown=0, NotChecked=0, Total=2756 [2024-11-13 13:24:35,500 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 530 mSDsluCounter, 3165 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 54 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 147.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 3399 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 149.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:24:35,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 3399 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1136 Invalid, 28 Unknown, 0 Unchecked, 149.9s Time] [2024-11-13 13:24:35,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-11-13 13:24:35,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 595. [2024-11-13 13:24:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 529 states have (on average 1.4120982986767485) internal successors, (747), 535 states have internal predecessors, (747), 41 states have call successors, (41), 15 states have call predecessors, (41), 24 states have return successors, (80), 44 states have call predecessors, (80), 41 states have call successors, (80) [2024-11-13 13:24:35,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 868 transitions. [2024-11-13 13:24:35,681 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 868 transitions. Word has length 144 [2024-11-13 13:24:35,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:24:35,682 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 868 transitions. [2024-11-13 13:24:35,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 30 states have (on average 3.3666666666666667) internal successors, (101), 33 states have internal predecessors, (101), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-13 13:24:35,683 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 868 transitions. [2024-11-13 13:24:35,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-13 13:24:35,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:24:35,688 INFO L215 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:24:35,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/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 (8)] Ended with exit code 0 [2024-11-13 13:24:35,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:24:35,892 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:24:35,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:24:35,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1835429532, now seen corresponding path program 3 times [2024-11-13 13:24:35,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:24:35,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425172342] [2024-11-13 13:24:35,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 13:24:35,894 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:24:35,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:24:35,896 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:24:35,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/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 (9)] Waiting until timeout for monitored process [2024-11-13 13:25:07,457 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-13 13:25:07,457 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:25:07,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 1534 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:25:07,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:25:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-13 13:25:09,261 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:25:09,262 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:25:09,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1425172342] [2024-11-13 13:25:09,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1425172342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:25:09,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:25:09,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:25:09,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627428867] [2024-11-13 13:25:09,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:25:09,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:25:09,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:25:09,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:25:09,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:25:09,264 INFO L87 Difference]: Start difference. First operand 595 states and 868 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 13:25:10,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:25:10,543 INFO L93 Difference]: Finished difference Result 627 states and 931 transitions. [2024-11-13 13:25:10,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:25:10,544 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 148 [2024-11-13 13:25:10,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:25:10,551 INFO L225 Difference]: With dead ends: 627 [2024-11-13 13:25:10,551 INFO L226 Difference]: Without dead ends: 622 [2024-11-13 13:25:10,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:25:10,553 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 206 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:25:10,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 755 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:25:10,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-11-13 13:25:10,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 622. [2024-11-13 13:25:10,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 547 states have (on average 1.3985374771480805) internal successors, (765), 553 states have internal predecessors, (765), 41 states have call successors, (41), 15 states have call predecessors, (41), 33 states have return successors, (112), 53 states have call predecessors, (112), 41 states have call successors, (112) [2024-11-13 13:25:10,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 918 transitions. [2024-11-13 13:25:10,765 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 918 transitions. Word has length 148 [2024-11-13 13:25:10,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:25:10,766 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 918 transitions. [2024-11-13 13:25:10,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 13:25:10,767 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 918 transitions. [2024-11-13 13:25:10,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-13 13:25:10,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:25:10,773 INFO L215 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:25:10,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/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 (9)] Ended with exit code 0 [2024-11-13 13:25:10,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:25:10,974 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:25:10,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:25:10,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1781931644, now seen corresponding path program 1 times [2024-11-13 13:25:10,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:25:10,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405473181] [2024-11-13 13:25:10,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:25:10,976 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 13:25:10,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:25:10,980 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 13:25:10,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c75ab7-72fc-466d-a77d-1a20517abfe2/bin/uautomizer-verify-qhAvR1uOyd/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 (10)] Waiting until timeout for monitored process [2024-11-13 13:25:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:25:15,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 2207 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 13:25:15,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:25:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 136 proven. 78 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-13 13:25:18,924 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:25:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-11-13 13:25:36,074 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:25:36,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405473181] [2024-11-13 13:25:36,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1405473181] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:25:36,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:25:36,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 42 [2024-11-13 13:25:36,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619130314] [2024-11-13 13:25:36,075 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:25:36,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-13 13:25:36,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:25:36,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-13 13:25:36,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=1456, Unknown=0, NotChecked=0, Total=1722 [2024-11-13 13:25:36,077 INFO L87 Difference]: Start difference. First operand 622 states and 918 transitions. Second operand has 42 states, 38 states have (on average 3.026315789473684) internal successors, (115), 41 states have internal predecessors, (115), 8 states have call successors, (18), 4 states have call predecessors, (18), 7 states have return successors, (18), 4 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-13 13:25:40,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:25:44,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:25:48,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:25:52,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:25:56,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:00,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:04,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:08,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:26:12,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:26:16,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:26:20,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:26:24,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:26:28,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:32,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:36,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:26:40,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:44,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:48,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:26:52,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:26:56,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:27:00,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:04,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:08,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:27:12,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:27:16,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:27:20,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:27:24,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:27:28,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:27:32,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:27:36,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:40,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 13:27:44,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:27:48,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:52,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 13:27:56,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]