./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d6309e89b59d774d489fa719c310727c3028fbc925a23cebee2c14e16b155218 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:13:45,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:13:45,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:13:45,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:13:45,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:13:45,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:13:45,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:13:45,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:13:45,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:13:45,723 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:13:45,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:13:45,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:13:45,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:13:45,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:13:45,725 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:13:45,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:13:45,726 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:13:45,727 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:13:45,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:13:45,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:13:45,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:13:45,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:13:45,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:13:45,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:13:45,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:13:45,736 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:13:45,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:13:45,737 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:13:45,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:13:45,738 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:13:45,738 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:13:45,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:13:45,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:13:45,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:13:45,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:13:45,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:13:45,742 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:13:45,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:13:45,743 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:13:45,743 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:13:45,743 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:13:45,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:13:45,745 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6309e89b59d774d489fa719c310727c3028fbc925a23cebee2c14e16b155218 [2024-11-08 18:13:46,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:13:46,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:13:46,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:13:46,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:13:46,068 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:13:46,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i Unable to find full path for "g++" [2024-11-08 18:13:48,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:13:48,337 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:13:48,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i [2024-11-08 18:13:48,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/data/9b43a7d37/1df0330f953c4f8db1616ad46cd5bc4b/FLAG4ff4b9f7f [2024-11-08 18:13:48,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/data/9b43a7d37/1df0330f953c4f8db1616ad46cd5bc4b [2024-11-08 18:13:48,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:13:48,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:13:48,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:13:48,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:13:48,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:13:48,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:13:48" (1/1) ... [2024-11-08 18:13:48,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f26edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48, skipping insertion in model container [2024-11-08 18:13:48,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:13:48" (1/1) ... [2024-11-08 18:13:48,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:13:48,600 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_4eaf7765-3b44-49fc-ba98-da73acfb2df3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i[917,930] [2024-11-08 18:13:48,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:13:48,666 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:13:48,681 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_4eaf7765-3b44-49fc-ba98-da73acfb2df3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i[917,930] [2024-11-08 18:13:48,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:13:48,737 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:13:48,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48 WrapperNode [2024-11-08 18:13:48,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:13:48,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:13:48,740 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:13:48,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:13:48,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48" (1/1) ... [2024-11-08 18:13:48,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48" (1/1) ... [2024-11-08 18:13:48,789 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-08 18:13:48,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:13:48,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:13:48,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:13:48,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:13:48,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48" (1/1) ... [2024-11-08 18:13:48,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48" (1/1) ... [2024-11-08 18:13:48,809 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48" (1/1) ... [2024-11-08 18:13:48,831 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:13:48,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48" (1/1) ... [2024-11-08 18:13:48,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48" (1/1) ... [2024-11-08 18:13:48,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48" (1/1) ... [2024-11-08 18:13:48,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48" (1/1) ... [2024-11-08 18:13:48,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48" (1/1) ... [2024-11-08 18:13:48,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48" (1/1) ... [2024-11-08 18:13:48,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:13:48,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:13:48,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:13:48,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:13:48,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48" (1/1) ... [2024-11-08 18:13:48,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:13:48,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:13:48,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:13:48,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:13:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:13:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:13:48,946 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:13:48,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:13:48,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:13:48,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:13:49,069 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:13:49,075 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:13:49,391 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 18:13:49,391 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:13:49,407 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:13:49,408 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:13:49,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:13:49 BoogieIcfgContainer [2024-11-08 18:13:49,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:13:49,412 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:13:49,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:13:49,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:13:49,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:13:48" (1/3) ... [2024-11-08 18:13:49,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@636d9bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:13:49, skipping insertion in model container [2024-11-08 18:13:49,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:13:48" (2/3) ... [2024-11-08 18:13:49,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@636d9bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:13:49, skipping insertion in model container [2024-11-08 18:13:49,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:13:49" (3/3) ... [2024-11-08 18:13:49,421 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-91.i [2024-11-08 18:13:49,443 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:13:49,443 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:13:49,515 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:13:49,523 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;@777597fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:13:49,523 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:13:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:13:49,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 18:13:49,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:13:49,543 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:13:49,543 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:13:49,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:13:49,564 INFO L85 PathProgramCache]: Analyzing trace with hash 646389549, now seen corresponding path program 1 times [2024-11-08 18:13:49,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:13:49,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712141159] [2024-11-08 18:13:49,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:13:49,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:13:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:49,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:13:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:49,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:13:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:49,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:13:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:49,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 18:13:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:49,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:13:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:49,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 18:13:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:49,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 18:13:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:49,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 18:13:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:50,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:13:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:50,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:13:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:50,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:13:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:50,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:13:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:50,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 18:13:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:50,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 18:13:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:50,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:13:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:50,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:13:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:50,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 18:13:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:13:50,073 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:13:50,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:13:50,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712141159] [2024-11-08 18:13:50,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712141159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:13:50,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:13:50,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:13:50,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611830812] [2024-11-08 18:13:50,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:13:50,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:13:50,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:13:50,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:13:50,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:13:50,122 INFO L87 Difference]: Start difference. First operand has 53 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:13:50,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:13:50,152 INFO L93 Difference]: Finished difference Result 99 states and 169 transitions. [2024-11-08 18:13:50,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:13:50,155 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108 [2024-11-08 18:13:50,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:13:50,164 INFO L225 Difference]: With dead ends: 99 [2024-11-08 18:13:50,165 INFO L226 Difference]: Without dead ends: 49 [2024-11-08 18:13:50,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:13:50,174 INFO L432 NwaCegarLoop]: 72 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, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:13:50,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:13:50,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-08 18:13:50,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-08 18:13:50,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:13:50,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2024-11-08 18:13:50,245 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 108 [2024-11-08 18:13:50,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:13:50,246 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2024-11-08 18:13:50,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:13:50,246 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-11-08 18:13:50,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 18:13:50,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:13:50,250 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:13:50,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:13:50,251 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:13:50,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:13:50,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1071753843, now seen corresponding path program 1 times [2024-11-08 18:13:50,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:13:50,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232027350] [2024-11-08 18:13:50,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:13:50,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:13:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:14:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:14:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:14:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 18:14:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:14:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 18:14:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 18:14:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 18:14:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:14:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:14:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:14:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:14:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 18:14:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 18:14:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:14:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:14:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 18:14:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:14:03,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:14:03,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232027350] [2024-11-08 18:14:03,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232027350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:14:03,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:14:03,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 18:14:03,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046707912] [2024-11-08 18:14:03,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:03,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:14:03,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:14:03,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:14:03,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:14:03,228 INFO L87 Difference]: Start difference. First operand 49 states and 72 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:14:05,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 18:14:07,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 18:14:08,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 18:14:13,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:13,884 INFO L93 Difference]: Finished difference Result 146 states and 204 transitions. [2024-11-08 18:14:13,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:14:13,885 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2024-11-08 18:14:13,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:13,887 INFO L225 Difference]: With dead ends: 146 [2024-11-08 18:14:13,887 INFO L226 Difference]: Without dead ends: 100 [2024-11-08 18:14:13,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:14:13,889 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 82 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:13,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 346 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2024-11-08 18:14:13,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-08 18:14:13,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 71. [2024-11-08 18:14:13,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 50 states have (on average 1.32) internal successors, (66), 51 states have internal predecessors, (66), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 18:14:13,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 102 transitions. [2024-11-08 18:14:13,909 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 102 transitions. Word has length 108 [2024-11-08 18:14:13,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:13,910 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 102 transitions. [2024-11-08 18:14:13,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:14:13,911 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2024-11-08 18:14:13,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 18:14:13,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:13,913 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:13,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:14:13,913 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:13,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:13,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1014495541, now seen corresponding path program 1 times [2024-11-08 18:14:13,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:14:13,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565378698] [2024-11-08 18:14:13,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:13,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:14:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,733 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 18:14:36,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:14:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:14:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:14:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 18:14:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:14:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 18:14:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 18:14:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 18:14:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:14:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 18:14:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:14:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:14:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 18:14:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 18:14:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 18:14:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:14:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 18:14:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:36,951 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:14:36,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:14:36,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565378698] [2024-11-08 18:14:36,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565378698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:14:36,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:14:36,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 18:14:36,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633278668] [2024-11-08 18:14:36,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:36,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 18:14:36,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:14:36,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:14:36,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:14:36,954 INFO L87 Difference]: Start difference. First operand 71 states and 102 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:14:49,052 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 18:14:49,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:49,645 INFO L93 Difference]: Finished difference Result 114 states and 147 transitions. [2024-11-08 18:14:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:14:49,646 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2024-11-08 18:14:49,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:49,648 INFO L225 Difference]: With dead ends: 114 [2024-11-08 18:14:49,648 INFO L226 Difference]: Without dead ends: 112 [2024-11-08 18:14:49,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 19.9s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:14:49,650 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 75 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:49,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 459 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-08 18:14:49,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-08 18:14:49,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 72. [2024-11-08 18:14:49,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 52 states have internal predecessors, (68), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 18:14:49,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 104 transitions. [2024-11-08 18:14:49,667 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 104 transitions. Word has length 108 [2024-11-08 18:14:49,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:49,668 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 104 transitions. [2024-11-08 18:14:49,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 18:14:49,668 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2024-11-08 18:14:49,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 18:14:49,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:49,670 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:49,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:14:49,671 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:49,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:49,671 INFO L85 PathProgramCache]: Analyzing trace with hash 262407217, now seen corresponding path program 1 times [2024-11-08 18:14:49,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:14:49,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26730545] [2024-11-08 18:14:49,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:49,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:14:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 18:14:49,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1013508870] [2024-11-08 18:14:49,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:49,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:14:49,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:14:49,765 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:14:49,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:14:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:14:49,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:14:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:14:50,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:14:50,003 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:14:50,004 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:14:50,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:14:50,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-08 18:14:50,215 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 18:14:50,319 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:14:50,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:14:50 BoogieIcfgContainer [2024-11-08 18:14:50,326 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:14:50,327 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:14:50,327 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:14:50,327 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:14:50,327 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:13:49" (3/4) ... [2024-11-08 18:14:50,330 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:14:50,333 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:14:50,333 INFO L158 Benchmark]: Toolchain (without parser) took 61962.46ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 108.7MB in the beginning and 127.8MB in the end (delta: -19.0MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-08 18:14:50,334 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory was 92.6MB in the beginning and 92.5MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:14:50,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.02ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 94.5MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:14:50,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.26ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 92.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:14:50,335 INFO L158 Benchmark]: Boogie Preprocessor took 70.95ms. Allocated memory is still 151.0MB. Free memory was 92.4MB in the beginning and 89.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:14:50,335 INFO L158 Benchmark]: RCFGBuilder took 546.93ms. Allocated memory is still 151.0MB. Free memory was 89.9MB in the beginning and 74.4MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:14:50,335 INFO L158 Benchmark]: TraceAbstraction took 60914.15ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 73.6MB in the beginning and 128.8MB in the end (delta: -55.2MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-08 18:14:50,336 INFO L158 Benchmark]: Witness Printer took 6.14ms. Allocated memory is still 209.7MB. Free memory was 128.8MB in the beginning and 127.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:14:50,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory was 92.6MB in the beginning and 92.5MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.02ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 94.5MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.26ms. Allocated memory is still 151.0MB. Free memory was 94.4MB in the beginning and 92.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.95ms. Allocated memory is still 151.0MB. Free memory was 92.4MB in the beginning and 89.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 546.93ms. Allocated memory is still 151.0MB. Free memory was 89.9MB in the beginning and 74.4MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 60914.15ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 73.6MB in the beginning and 128.8MB in the end (delta: -55.2MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 6.14ms. Allocated memory is still 209.7MB. Free memory was 128.8MB in the beginning and 127.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someUnaryDOUBLEoperation at line 28. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L23] float var_1_2 = 49.25; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 64; [L26] signed short int var_1_5 = 1; [L27] float var_1_6 = 8.4; [L28] float var_1_7 = -0.25; [L29] signed short int var_1_8 = -4; [L30] unsigned long int var_1_9 = 64; [L31] unsigned long int var_1_10 = 16; [L32] unsigned long int var_1_11 = 10; [L33] signed short int var_1_12 = 100; [L34] signed short int var_1_14 = 128; [L35] signed short int var_1_15 = 10; VAL [isInitial=0, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=197/4, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L70] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L71] var_1_3 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L72] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L73] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L73] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=64, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L74] var_1_4 = __VERIFIER_nondet_ulong() [L75] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L75] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L76] CALL assume_abort_if_not(var_1_4 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L76] RET assume_abort_if_not(var_1_4 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_6=42/5, var_1_8=-4, var_1_9=64] [L77] var_1_6 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=-4, var_1_9=64] [L78] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=-4, var_1_9=64] [L79] var_1_7 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=-4, var_1_9=64] [L80] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=-4, var_1_9=64] [L81] var_1_8 = __VERIFIER_nondet_short() [L82] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L82] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L83] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L83] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L84] var_1_10 = __VERIFIER_nondet_ulong() [L85] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L85] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L86] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L86] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L87] var_1_11 = __VERIFIER_nondet_ulong() [L88] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L88] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L89] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L89] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L90] var_1_14 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L91] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L92] CALL assume_abort_if_not(var_1_14 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L92] RET assume_abort_if_not(var_1_14 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=10, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L93] var_1_15 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=0, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=0, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L94] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=0, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L95] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=0, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=0, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L95] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=0, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L108] RET updateVariables() [L109] CALL step() [L39] COND FALSE !(var_1_2 >= 50.4f) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=0, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=1, var_1_8=0, var_1_9=64] [L42] COND FALSE !(var_1_3 == (var_1_1 * var_1_4)) [L49] var_1_5 = var_1_8 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=0, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=0, var_1_8=0, var_1_9=64] [L51] COND FALSE !(! (var_1_4 < var_1_3)) [L54] var_1_9 = ((((var_1_11) > (var_1_10)) ? (var_1_11) : (var_1_10))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=100, var_1_14=0, var_1_15=0, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=0, var_1_8=0, var_1_9=0] [L56] COND FALSE !(var_1_10 > var_1_9) [L65] var_1_12 = var_1_15 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=0, var_1_15=0, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=0, var_1_8=0, var_1_9=0] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((var_1_2 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) && ((var_1_3 == (var_1_1 * var_1_4)) ? ((var_1_2 >= (var_1_6 + var_1_7)) ? (var_1_5 == ((signed short int) var_1_8)) : (var_1_5 == ((signed short int) 32))) : (var_1_5 == ((signed short int) var_1_8)))) && ((! (var_1_4 < var_1_3)) ? (var_1_9 == ((unsigned long int) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))))) : (var_1_9 == ((unsigned long int) ((((var_1_11) > (var_1_10)) ? (var_1_11) : (var_1_10))))))) && ((var_1_10 > var_1_9) ? ((63.1 >= var_1_7) ? ((var_1_7 >= var_1_2) ? (var_1_12 == ((signed short int) (var_1_14 - var_1_15))) : (var_1_12 == ((signed short int) var_1_14))) : 1) : (var_1_12 == ((signed short int) var_1_15))) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=0, var_1_15=0, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=0, var_1_8=0, var_1_9=0] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=0, var_1_15=0, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_14=0, var_1_15=0, var_1_1=100000000, var_1_3=3532799487, var_1_4=3532799486, var_1_5=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.7s, OverallIterations: 4, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 23.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 157 SdHoareTripleChecker+Valid, 11.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 157 mSDsluCounter, 877 SdHoareTripleChecker+Invalid, 11.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 646 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 231 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 29.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=3, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 69 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 35.9s InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 321 ConstructedInterpolants, 0 QuantifiedInterpolants, 869 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1632/1632 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:14:50,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d6309e89b59d774d489fa719c310727c3028fbc925a23cebee2c14e16b155218 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:14:52,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:14:52,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 18:14:52,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:14:52,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:14:52,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:14:52,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:14:52,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:14:52,866 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:14:52,866 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:14:52,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:14:52,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:14:52,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:14:52,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:14:52,871 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:14:52,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:14:52,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:14:52,875 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:14:52,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:14:52,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:14:52,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:14:52,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:14:52,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:14:52,877 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:14:52,881 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:14:52,881 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:14:52,881 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:14:52,882 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:14:52,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:14:52,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:14:52,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:14:52,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:14:52,883 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:14:52,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:14:52,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:14:52,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:14:52,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:14:52,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:14:52,886 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:14:52,886 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:14:52,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:14:52,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:14:52,887 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:14:52,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:14:52,889 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6309e89b59d774d489fa719c310727c3028fbc925a23cebee2c14e16b155218 [2024-11-08 18:14:53,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:14:53,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:14:53,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:14:53,302 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:14:53,302 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:14:53,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i Unable to find full path for "g++" [2024-11-08 18:14:55,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:14:55,788 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:14:55,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i [2024-11-08 18:14:55,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/data/923693d87/6fd6f21ee57640ed8382b1cbe963d48c/FLAGec7a9cdc8 [2024-11-08 18:14:55,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/data/923693d87/6fd6f21ee57640ed8382b1cbe963d48c [2024-11-08 18:14:55,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:14:55,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:14:55,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:14:55,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:14:55,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:14:55,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:14:55" (1/1) ... [2024-11-08 18:14:55,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c8603d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:55, skipping insertion in model container [2024-11-08 18:14:55,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:14:55" (1/1) ... [2024-11-08 18:14:55,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:14:56,052 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_4eaf7765-3b44-49fc-ba98-da73acfb2df3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i[917,930] [2024-11-08 18:14:56,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:14:56,112 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:14:56,125 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_4eaf7765-3b44-49fc-ba98-da73acfb2df3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-91.i[917,930] [2024-11-08 18:14:56,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:14:56,201 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:14:56,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:56 WrapperNode [2024-11-08 18:14:56,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:14:56,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:14:56,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:14:56,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:14:56,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:56" (1/1) ... [2024-11-08 18:14:56,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:56" (1/1) ... [2024-11-08 18:14:56,266 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-11-08 18:14:56,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:14:56,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:14:56,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:14:56,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:14:56,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:56" (1/1) ... [2024-11-08 18:14:56,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:56" (1/1) ... [2024-11-08 18:14:56,290 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:56" (1/1) ... [2024-11-08 18:14:56,312 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:14:56,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:56" (1/1) ... [2024-11-08 18:14:56,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:56" (1/1) ... [2024-11-08 18:14:56,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:56" (1/1) ... [2024-11-08 18:14:56,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:56" (1/1) ... [2024-11-08 18:14:56,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:56" (1/1) ... [2024-11-08 18:14:56,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:56" (1/1) ... [2024-11-08 18:14:56,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:14:56,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:14:56,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:14:56,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:14:56,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:56" (1/1) ... [2024-11-08 18:14:56,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:14:56,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:14:56,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:14:56,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:14:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:14:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:14:56,474 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:14:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:14:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:14:56,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:14:56,581 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:14:56,584 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:14:57,300 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 18:14:57,301 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:14:57,317 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:14:57,318 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:14:57,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:14:57 BoogieIcfgContainer [2024-11-08 18:14:57,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:14:57,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:14:57,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:14:57,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:14:57,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:14:55" (1/3) ... [2024-11-08 18:14:57,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33bfb455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:14:57, skipping insertion in model container [2024-11-08 18:14:57,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:14:56" (2/3) ... [2024-11-08 18:14:57,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33bfb455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:14:57, skipping insertion in model container [2024-11-08 18:14:57,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:14:57" (3/3) ... [2024-11-08 18:14:57,328 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-91.i [2024-11-08 18:14:57,346 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:14:57,346 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:14:57,408 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:14:57,416 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;@bff2d57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:14:57,417 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:14:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:14:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 18:14:57,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:57,437 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:57,437 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:57,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:57,445 INFO L85 PathProgramCache]: Analyzing trace with hash 646389549, now seen corresponding path program 1 times [2024-11-08 18:14:57,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:14:57,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690765696] [2024-11-08 18:14:57,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:57,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 18:14:57,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:14:57,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 18:14:57,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 18:14:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:57,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:14:57,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:14:57,801 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-11-08 18:14:57,806 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:14:57,807 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:14:57,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690765696] [2024-11-08 18:14:57,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [690765696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:14:57,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:14:57,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:14:57,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657877432] [2024-11-08 18:14:57,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:14:57,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:14:57,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:14:57,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:14:57,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:14:57,843 INFO L87 Difference]: Start difference. First operand has 53 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:14:57,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:14:57,891 INFO L93 Difference]: Finished difference Result 99 states and 169 transitions. [2024-11-08 18:14:57,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:14:57,895 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108 [2024-11-08 18:14:57,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:14:57,904 INFO L225 Difference]: With dead ends: 99 [2024-11-08 18:14:57,905 INFO L226 Difference]: Without dead ends: 49 [2024-11-08 18:14:57,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:14:57,917 INFO L432 NwaCegarLoop]: 72 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, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:14:57,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:14:57,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-08 18:14:57,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-08 18:14:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 18:14:57,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2024-11-08 18:14:57,979 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 108 [2024-11-08 18:14:57,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:14:57,980 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2024-11-08 18:14:57,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 18:14:57,981 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-11-08 18:14:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 18:14:57,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:14:57,987 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:14:57,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 18:14:58,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 18:14:58,188 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:14:58,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:14:58,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1071753843, now seen corresponding path program 1 times [2024-11-08 18:14:58,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:14:58,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459586876] [2024-11-08 18:14:58,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:14:58,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 18:14:58,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:14:58,195 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 18:14:58,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eaf7765-3b44-49fc-ba98-da73acfb2df3/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 18:14:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:14:58,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 18:14:58,473 INFO L278 TraceCheckSpWp]: Computing forward predicates...