./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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 886b3232bc42df15ec2cb488216aa307e0317bc0a29df06284f7e19764141f20 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:08:47,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:08:47,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:08:47,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:08:47,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:08:47,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:08:47,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:08:47,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:08:47,963 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:08:47,964 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:08:47,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:08:47,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:08:47,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:08:47,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:08:47,966 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:08:47,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:08:47,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:08:47,967 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:08:47,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:08:47,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:08:47,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:08:47,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:08:47,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:08:47,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:08:47,970 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:08:47,970 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:08:47,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:08:47,971 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:08:47,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:08:47,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:08:47,972 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:08:47,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:08:47,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:08:47,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:08:47,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:08:47,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:08:47,992 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:08:47,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:08:47,992 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:08:47,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:08:47,993 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:08:47,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:08:47,994 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_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 886b3232bc42df15ec2cb488216aa307e0317bc0a29df06284f7e19764141f20 [2024-11-08 18:08:48,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:08:48,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:08:48,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:08:48,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:08:48,341 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:08:48,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i Unable to find full path for "g++" [2024-11-08 18:08:50,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:08:50,561 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:08:50,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i [2024-11-08 18:08:50,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/data/1e96fc845/8799f12288fb41f99a01a3735dd8e8c0/FLAGae5a38776 [2024-11-08 18:08:50,590 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/data/1e96fc845/8799f12288fb41f99a01a3735dd8e8c0 [2024-11-08 18:08:50,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:08:50,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:08:50,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:08:50,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:08:50,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:08:50,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:08:50" (1/1) ... [2024-11-08 18:08:50,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3ea82f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:50, skipping insertion in model container [2024-11-08 18:08:50,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:08:50" (1/1) ... [2024-11-08 18:08:50,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:08:50,910 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_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i[915,928] [2024-11-08 18:08:50,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:08:50,972 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:08:50,987 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_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i[915,928] [2024-11-08 18:08:51,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:08:51,031 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:08:51,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:51 WrapperNode [2024-11-08 18:08:51,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:08:51,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:08:51,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:08:51,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:08:51,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:51" (1/1) ... [2024-11-08 18:08:51,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:51" (1/1) ... [2024-11-08 18:08:51,077 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 71 [2024-11-08 18:08:51,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:08:51,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:08:51,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:08:51,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:08:51,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:51" (1/1) ... [2024-11-08 18:08:51,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:51" (1/1) ... [2024-11-08 18:08:51,095 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:51" (1/1) ... [2024-11-08 18:08:51,114 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 18:08:51,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:51" (1/1) ... [2024-11-08 18:08:51,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:51" (1/1) ... [2024-11-08 18:08:51,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:51" (1/1) ... [2024-11-08 18:08:51,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:51" (1/1) ... [2024-11-08 18:08:51,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:51" (1/1) ... [2024-11-08 18:08:51,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:51" (1/1) ... [2024-11-08 18:08:51,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:08:51,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:08:51,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:08:51,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:08:51,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:51" (1/1) ... [2024-11-08 18:08:51,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:08:51,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:51,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:51,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:08:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:08:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:08:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:08:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:08:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:08:51,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:08:51,278 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:08:51,280 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:08:51,498 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 18:08:51,502 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:08:51,521 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:08:51,522 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:08:51,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:08:51 BoogieIcfgContainer [2024-11-08 18:08:51,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:08:51,529 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:08:51,532 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:08:51,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:08:51,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:08:50" (1/3) ... [2024-11-08 18:08:51,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6231fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:08:51, skipping insertion in model container [2024-11-08 18:08:51,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:51" (2/3) ... [2024-11-08 18:08:51,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6231fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:08:51, skipping insertion in model container [2024-11-08 18:08:51,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:08:51" (3/3) ... [2024-11-08 18:08:51,540 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-63.i [2024-11-08 18:08:51,556 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:08:51,557 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:08:51,610 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:08:51,617 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;@12baf133, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:08:51,617 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:08:51,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 18:08:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 18:08:51,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:08:51,633 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 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 18:08:51,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:08:51,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:08:51,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1219841377, now seen corresponding path program 1 times [2024-11-08 18:08:51,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:08:51,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641854597] [2024-11-08 18:08:51,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:08:51,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:08:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:08:51,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:08:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:08:51,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:08:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:08:51,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:08:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:08:51,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:08:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:08:51,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:08:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:08:51,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:08:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:08:51,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:08:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:08:51,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 18:08:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:08:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 18:08:51,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:08:51,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641854597] [2024-11-08 18:08:51,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641854597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:08:51,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:08:51,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:08:51,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191011730] [2024-11-08 18:08:51,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:08:51,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:08:51,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:08:51,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:08:51,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:08:51,971 INFO L87 Difference]: Start difference. First operand has 33 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 18:08:51,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:08:51,992 INFO L93 Difference]: Finished difference Result 59 states and 90 transitions. [2024-11-08 18:08:51,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:08:51,995 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2024-11-08 18:08:51,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:08:52,002 INFO L225 Difference]: With dead ends: 59 [2024-11-08 18:08:52,002 INFO L226 Difference]: Without dead ends: 29 [2024-11-08 18:08:52,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 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 18:08:52,009 INFO L432 NwaCegarLoop]: 37 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, 37 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 18:08:52,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:08:52,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-08 18:08:52,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-08 18:08:52,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 18:08:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2024-11-08 18:08:52,055 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 55 [2024-11-08 18:08:52,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:08:52,056 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2024-11-08 18:08:52,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 18:08:52,056 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-08 18:08:52,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 18:08:52,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:08:52,059 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 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 18:08:52,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:08:52,060 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:08:52,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:08:52,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1214129883, now seen corresponding path program 1 times [2024-11-08 18:08:52,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:08:52,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235008249] [2024-11-08 18:08:52,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:08:52,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:08:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:08:52,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:08:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:08:52,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:08:52,330 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:08:52,334 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:08:52,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:08:52,341 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 18:08:52,400 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:08:52,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:08:52 BoogieIcfgContainer [2024-11-08 18:08:52,407 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:08:52,408 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:08:52,408 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:08:52,409 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:08:52,410 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:08:51" (3/4) ... [2024-11-08 18:08:52,412 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:08:52,414 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:08:52,415 INFO L158 Benchmark]: Toolchain (without parser) took 1820.08ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 68.3MB in the beginning and 107.6MB in the end (delta: -39.3MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-08 18:08:52,416 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:08:52,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.43ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 68.2MB in the beginning and 151.8MB in the end (delta: -83.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-08 18:08:52,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.99ms. Allocated memory is still 184.5MB. Free memory was 151.8MB in the beginning and 149.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:08:52,419 INFO L158 Benchmark]: Boogie Preprocessor took 54.80ms. Allocated memory is still 184.5MB. Free memory was 149.8MB in the beginning and 148.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:08:52,421 INFO L158 Benchmark]: RCFGBuilder took 391.53ms. Allocated memory is still 184.5MB. Free memory was 147.7MB in the beginning and 150.6MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 18:08:52,422 INFO L158 Benchmark]: TraceAbstraction took 877.92ms. Allocated memory is still 184.5MB. Free memory was 149.6MB in the beginning and 107.6MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 18:08:52,422 INFO L158 Benchmark]: Witness Printer took 5.83ms. Allocated memory is still 184.5MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:08:52,425 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.43ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 68.2MB in the beginning and 151.8MB in the end (delta: -83.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.99ms. Allocated memory is still 184.5MB. Free memory was 151.8MB in the beginning and 149.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.80ms. Allocated memory is still 184.5MB. Free memory was 149.8MB in the beginning and 148.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.53ms. Allocated memory is still 184.5MB. Free memory was 147.7MB in the beginning and 150.6MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 877.92ms. Allocated memory is still 184.5MB. Free memory was 149.6MB in the beginning and 107.6MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 5.83ms. Allocated memory is still 184.5MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 2.2; [L23] signed long int var_1_2 = 32; [L24] signed long int var_1_3 = 5; [L25] signed long int var_1_4 = 5; [L26] double var_1_6 = 63.2; [L27] double var_1_7 = 25.2; [L28] unsigned long int var_1_8 = 128; VAL [isInitial=0, var_1_1=11/5, var_1_2=32, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L62] isInitial = 1 [L63] FCALL initially() [L64] COND TRUE 1 [L65] FCALL updateLastVariables() [L66] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_long() [L42] CALL assume_abort_if_not(var_1_2 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L42] RET assume_abort_if_not(var_1_2 >= -1) VAL [isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L43] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L43] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=5, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L44] var_1_3 = __VERIFIER_nondet_long() [L45] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L45] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L46] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L46] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=5, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L47] var_1_4 = __VERIFIER_nondet_long() [L48] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L48] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L49] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L49] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_6=316/5, var_1_7=126/5, var_1_8=128] [L50] var_1_6 = __VERIFIER_nondet_double() [L51] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_7=126/5, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_7=126/5, var_1_8=128] [L51] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_7=126/5, var_1_8=128] [L52] var_1_7 = __VERIFIER_nondet_double() [L53] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_8=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_8=128] [L53] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_8=128] [L66] RET updateVariables() [L67] CALL step() [L32] var_1_8 = var_1_4 [L33] signed long int stepLocal_0 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4; VAL [isInitial=1, stepLocal_0=0, var_1_1=11/5, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_8=2147483647] [L34] COND FALSE !(stepLocal_0 >= var_1_8) [L37] var_1_1 = var_1_7 VAL [isInitial=1, var_1_1=2147483652, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_7=2147483652, var_1_8=2147483647] [L67] RET step() [L68] CALL, EXPR property() [L58-L59] return (((((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4) >= var_1_8) ? (var_1_1 == ((double) (((((var_1_6 - var_1_7) < 0 ) ? -(var_1_6 - var_1_7) : (var_1_6 - var_1_7))) - 0.8))) : (var_1_1 == ((double) var_1_7))) && (var_1_8 == ((unsigned long int) var_1_4)) ; VAL [\result=0, isInitial=1, var_1_1=2147483652, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_7=2147483652, var_1_8=2147483647] [L68] RET, EXPR property() [L68] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=2147483652, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_7=2147483652, var_1_8=2147483647] [L19] reach_error() VAL [isInitial=1, var_1_1=2147483652, var_1_2=2147483647, var_1_3=2147483646, var_1_4=2147483647, var_1_7=2147483652, var_1_8=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 37 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 112/112 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 18:08:52,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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 886b3232bc42df15ec2cb488216aa307e0317bc0a29df06284f7e19764141f20 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:08:54,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:08:54,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 18:08:54,938 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:08:54,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:08:54,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:08:54,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:08:54,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:08:54,968 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:08:54,969 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:08:54,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:08:54,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:08:54,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:08:54,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:08:54,974 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:08:54,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:08:54,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:08:54,975 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:08:54,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:08:54,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:08:54,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:08:54,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:08:54,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:08:54,981 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:08:54,982 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:08:54,982 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:08:54,982 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:08:54,982 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:08:54,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:08:54,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:08:54,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:08:54,983 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:08:54,984 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:08:54,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:08:54,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:08:54,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:08:54,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:08:54,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:08:54,986 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:08:54,986 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:08:54,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:08:54,987 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:08:54,987 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:08:54,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:08:54,988 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_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 886b3232bc42df15ec2cb488216aa307e0317bc0a29df06284f7e19764141f20 [2024-11-08 18:08:55,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:08:55,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:08:55,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:08:55,397 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:08:55,397 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:08:55,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i Unable to find full path for "g++" [2024-11-08 18:08:57,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:08:57,669 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:08:57,672 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i [2024-11-08 18:08:57,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/data/dda59ade8/f56bd15be1fb4e998075247644d057b4/FLAG2c9916717 [2024-11-08 18:08:57,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/data/dda59ade8/f56bd15be1fb4e998075247644d057b4 [2024-11-08 18:08:57,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:08:57,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:08:57,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:08:57,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:08:57,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:08:57,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:08:57" (1/1) ... [2024-11-08 18:08:57,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b7e6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:57, skipping insertion in model container [2024-11-08 18:08:57,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:08:57" (1/1) ... [2024-11-08 18:08:58,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:08:58,270 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_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i[915,928] [2024-11-08 18:08:58,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:08:58,363 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:08:58,376 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_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-63.i[915,928] [2024-11-08 18:08:58,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:08:58,436 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:08:58,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:58 WrapperNode [2024-11-08 18:08:58,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:08:58,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:08:58,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:08:58,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:08:58,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:58" (1/1) ... [2024-11-08 18:08:58,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:58" (1/1) ... [2024-11-08 18:08:58,484 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 68 [2024-11-08 18:08:58,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:08:58,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:08:58,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:08:58,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:08:58,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:58" (1/1) ... [2024-11-08 18:08:58,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:58" (1/1) ... [2024-11-08 18:08:58,510 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:58" (1/1) ... [2024-11-08 18:08:58,534 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 18:08:58,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:58" (1/1) ... [2024-11-08 18:08:58,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:58" (1/1) ... [2024-11-08 18:08:58,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:58" (1/1) ... [2024-11-08 18:08:58,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:58" (1/1) ... [2024-11-08 18:08:58,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:58" (1/1) ... [2024-11-08 18:08:58,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:58" (1/1) ... [2024-11-08 18:08:58,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:08:58,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:08:58,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:08:58,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:08:58,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:58" (1/1) ... [2024-11-08 18:08:58,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:08:58,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:58,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:58,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:08:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:08:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:08:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:08:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:08:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:08:58,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:08:58,751 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:08:58,753 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:09:00,447 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 18:09:00,447 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:09:00,460 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:09:00,460 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:09:00,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:09:00 BoogieIcfgContainer [2024-11-08 18:09:00,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:09:00,464 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:09:00,464 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:09:00,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:09:00,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:08:57" (1/3) ... [2024-11-08 18:09:00,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d3c66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:09:00, skipping insertion in model container [2024-11-08 18:09:00,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:08:58" (2/3) ... [2024-11-08 18:09:00,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d3c66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:09:00, skipping insertion in model container [2024-11-08 18:09:00,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:09:00" (3/3) ... [2024-11-08 18:09:00,472 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-63.i [2024-11-08 18:09:00,490 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:09:00,491 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:09:00,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:09:00,562 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;@7b1e72ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:09:00,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:09:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 18:09:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 18:09:00,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:09:00,580 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 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 18:09:00,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:09:00,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:09:00,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1219841377, now seen corresponding path program 1 times [2024-11-08 18:09:00,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:09:00,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651925087] [2024-11-08 18:09:00,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:09:00,602 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 18:09:00,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:09:00,605 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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 18:09:00,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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 18:09:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:09:00,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:09:00,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:09:00,969 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-08 18:09:00,970 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:09:00,971 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:09:00,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651925087] [2024-11-08 18:09:00,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651925087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:09:00,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:09:00,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:09:00,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272036800] [2024-11-08 18:09:00,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:09:00,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:09:00,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:09:01,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:09:01,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:09:01,014 INFO L87 Difference]: Start difference. First operand has 33 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 18:09:01,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:09:01,045 INFO L93 Difference]: Finished difference Result 59 states and 90 transitions. [2024-11-08 18:09:01,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:09:01,047 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2024-11-08 18:09:01,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:09:01,056 INFO L225 Difference]: With dead ends: 59 [2024-11-08 18:09:01,056 INFO L226 Difference]: Without dead ends: 29 [2024-11-08 18:09:01,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 54 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 18:09:01,064 INFO L432 NwaCegarLoop]: 37 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, 37 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 18:09:01,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:09:01,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-08 18:09:01,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-08 18:09:01,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 18:09:01,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2024-11-08 18:09:01,117 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 55 [2024-11-08 18:09:01,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:09:01,118 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2024-11-08 18:09:01,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 18:09:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-08 18:09:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 18:09:01,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:09:01,121 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 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 18:09:01,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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 18:09:01,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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 18:09:01,322 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:09:01,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:09:01,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1214129883, now seen corresponding path program 1 times [2024-11-08 18:09:01,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:09:01,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [851358927] [2024-11-08 18:09:01,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:09:01,325 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 18:09:01,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:09:01,328 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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 18:09:01,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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 18:09:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:09:01,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 18:09:01,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:10:29,854 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 18:10:29,855 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:11:07,053 WARN L286 SmtUtils]: Spent 5.61s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:11:29,367 WARN L286 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:11:48,562 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:12:18,054 WARN L286 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:12:30,203 WARN L286 SmtUtils]: Spent 5.61s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:14:59,141 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:15:14,640 WARN L286 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:15:26,517 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:15:34,589 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:15:53,345 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:16:11,077 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse19 ((_ to_fp 11 53) c_currentRoundingMode (/ 4.0 5.0))) (.cse21 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (let ((.cse8 (bvsgt c_~var_1_2~0 c_~var_1_3~0)) (.cse17 (bvneg c_~var_1_4~0)) (.cse9 (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse30 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode .cse30 .cse19)) (not (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode (fp.neg .cse30) .cse19))) (fp.lt .cse30 .cse21))))) (.cse22 (fp.eq c_~var_1_1~0 c_~var_1_7~0))) (let ((.cse14 (and (or (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse26 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (not (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode .cse26 .cse19))) (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode (fp.neg .cse26) .cse19)) (not (fp.lt .cse26 .cse21))))) .cse22) (or .cse22 (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse27 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode (fp.neg .cse27) .cse19)) (not (fp.lt .cse27 .cse21)) (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode .cse27 .cse19)))))) (or .cse22 (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse28 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode (fp.neg .cse28) .cse19)) (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode .cse28 .cse19)) (fp.lt .cse28 .cse21))))) (or .cse22 (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse29 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (not (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode .cse29 .cse19))) (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode (fp.neg .cse29) .cse19)) (fp.lt .cse29 .cse21))))))) (.cse15 (and (or .cse22 (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse23 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (not (fp.lt .cse23 .cse21)) (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode .cse23 .cse19)) (not (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode (fp.neg .cse23) .cse19))))))) (or .cse22 (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse24 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (not (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode .cse24 .cse19))) (not (fp.lt .cse24 .cse21)) (not (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode (fp.neg .cse24) .cse19))))))) (or .cse22 (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse25 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (not (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode .cse25 .cse19))) (not (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode (fp.neg .cse25) .cse19))) (fp.lt .cse25 .cse21))))) (or .cse22 .cse9))) (.cse3 (bvuge (bvadd .cse17 c_~var_1_2~0) c_~var_1_8~0)) (.cse10 (and (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse18 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode (fp.neg .cse18) .cse19)) (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode .cse18 .cse19))))) (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse20 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (fp.eq c_~var_1_1~0 (fp.sub c_currentRoundingMode (fp.neg .cse20) .cse19)) (not (fp.lt .cse20 .cse21))))))) (.cse16 (not .cse8))) (let ((.cse11 (bvuge (bvadd .cse17 c_~var_1_3~0) c_~var_1_8~0)) (.cse7 (or .cse16 .cse9)) (.cse1 (or .cse10 .cse16)) (.cse2 (not .cse3)) (.cse5 (or .cse15 .cse16)) (.cse6 (or .cse14 .cse16))) (and (= c_~var_1_4~0 c_~var_1_8~0) (or (let ((.cse0 (or .cse10 .cse8)) (.cse4 (or .cse8 .cse9))) (and (or (and .cse0 .cse1) .cse2) (or .cse3 (and .cse4 .cse5)) (or .cse3 (and .cse6 .cse0)) (or .cse2 (and .cse7 .cse4)))) (not .cse11)) (or .cse11 (let ((.cse12 (or .cse15 .cse8)) (.cse13 (or .cse8 .cse14))) (and (or (and .cse7 .cse12) .cse2) (or (and .cse13 .cse1) .cse2) (or .cse3 (and .cse12 .cse5)) (or .cse3 (and .cse6 .cse13)))))))))) is different from true [2024-11-08 18:16:29,283 WARN L286 SmtUtils]: Spent 5.93s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:17:23,119 WARN L286 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:17:38,185 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:17:53,826 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:17:59,494 WARN L873 $PredicateComparison]: unable to prove that (or (bvuge |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_8~0) (let ((.cse13 (bvneg c_~var_1_4~0)) (.cse11 ((_ to_fp 11 53) c_currentRoundingMode (/ 4.0 5.0))) (.cse12 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (.cse5 (bvsgt c_~var_1_2~0 c_~var_1_3~0))) (let ((.cse7 (not .cse5)) (.cse8 (and (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse14 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (fp.eq c_~var_1_7~0 (fp.sub c_currentRoundingMode (fp.neg .cse14) .cse11)) (fp.eq c_~var_1_7~0 (fp.sub c_currentRoundingMode .cse14 .cse11))))) (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse15 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (fp.eq c_~var_1_7~0 (fp.sub c_currentRoundingMode (fp.neg .cse15) .cse11)) (not (fp.lt .cse15 .cse12))))))) (.cse4 (bvuge (bvadd .cse13 c_~var_1_2~0) c_~var_1_8~0))) (let ((.cse9 (bvuge (bvadd .cse13 c_~var_1_3~0) c_~var_1_8~0)) (.cse3 (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse10 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (not (fp.eq c_~var_1_7~0 (fp.sub c_currentRoundingMode (fp.neg .cse10) .cse11))) (fp.lt .cse10 .cse12) (fp.eq c_~var_1_7~0 (fp.sub c_currentRoundingMode .cse10 .cse11)))))) (.cse0 (not .cse4)) (.cse1 (or .cse7 .cse8)) (.cse6 (fp.eq c_~var_1_7~0 c_~var_1_7~0))) (and (= c_~var_1_4~0 c_~var_1_8~0) (or (let ((.cse2 (or .cse5 .cse8))) (and (or .cse0 (and .cse1 .cse2)) (or .cse3 .cse4 .cse5) (or .cse4 (and (or .cse6 .cse7) .cse2)) (or .cse0 (and (or .cse3 .cse5) (or .cse3 .cse7))))) (not .cse9)) (or .cse9 (and (or .cse3 .cse0 .cse7) (or .cse0 (and (or .cse6 .cse5) .cse1)) (or .cse4 .cse6)))))))) is different from true [2024-11-08 18:18:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-08 18:18:04,465 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:18:04,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [851358927] [2024-11-08 18:18:04,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [851358927] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:18:04,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:18:04,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 20 [2024-11-08 18:18:04,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484628461] [2024-11-08 18:18:04,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:18:04,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:18:04,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:18:04,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:18:04,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=238, Unknown=2, NotChecked=66, Total=380 [2024-11-08 18:18:04,471 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-08 18:18:09,525 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.eq c_~var_1_7~0 c_~var_1_7~0)) (.cse1 (bvneg c_~var_1_4~0))) (and (or .cse0 (forall ((~var_1_2~0 (_ BitVec 32)) (~var_1_3~0 (_ BitVec 32))) (or (not (bvuge (bvadd ~var_1_2~0 .cse1) c_~var_1_4~0)) (bvsgt ~var_1_2~0 ~var_1_3~0) (bvuge (bvadd ~var_1_3~0 .cse1) c_~var_1_4~0)))) (or (forall ((~var_1_2~0 (_ BitVec 32)) (~var_1_3~0 (_ BitVec 32))) (or (not (bvsgt ~var_1_2~0 ~var_1_3~0)) (bvuge (bvadd ~var_1_2~0 .cse1) c_~var_1_4~0) (not (bvuge (bvadd ~var_1_3~0 .cse1) c_~var_1_4~0)))) .cse0) (or (bvuge |c_ULTIMATE.start_step_~stepLocal_0~0#1| c_~var_1_8~0) (let ((.cse12 ((_ to_fp 11 53) c_currentRoundingMode (/ 4.0 5.0))) (.cse13 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (.cse7 (bvsgt c_~var_1_2~0 c_~var_1_3~0))) (let ((.cse8 (not .cse7)) (.cse9 (and (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse14 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (fp.eq c_~var_1_7~0 (fp.sub c_currentRoundingMode (fp.neg .cse14) .cse12)) (fp.eq c_~var_1_7~0 (fp.sub c_currentRoundingMode .cse14 .cse12))))) (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse15 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (fp.eq c_~var_1_7~0 (fp.sub c_currentRoundingMode (fp.neg .cse15) .cse12)) (not (fp.lt .cse15 .cse13))))))) (.cse6 (bvuge (bvadd .cse1 c_~var_1_2~0) c_~var_1_8~0))) (let ((.cse10 (bvuge (bvadd .cse1 c_~var_1_3~0) c_~var_1_8~0)) (.cse5 (forall ((~var_1_6~0 (_ FloatingPoint 11 53))) (let ((.cse11 (fp.sub c_currentRoundingMode ~var_1_6~0 c_~var_1_7~0))) (or (not (fp.eq c_~var_1_7~0 (fp.sub c_currentRoundingMode (fp.neg .cse11) .cse12))) (fp.lt .cse11 .cse13) (fp.eq c_~var_1_7~0 (fp.sub c_currentRoundingMode .cse11 .cse12)))))) (.cse2 (not .cse6)) (.cse3 (or .cse8 .cse9))) (and (= c_~var_1_4~0 c_~var_1_8~0) (or (let ((.cse4 (or .cse7 .cse9))) (and (or .cse2 (and .cse3 .cse4)) (or .cse5 .cse6 .cse7) (or .cse6 (and (or .cse0 .cse8) .cse4)) (or .cse2 (and (or .cse5 .cse7) (or .cse5 .cse8))))) (not .cse10)) (or .cse10 (and (or .cse5 .cse2 .cse8) (or .cse2 (and (or .cse0 .cse7) .cse3)) (or .cse6 .cse0)))))))) (or .cse0 (forall ((~var_1_2~0 (_ BitVec 32))) (bvuge (bvadd ~var_1_2~0 .cse1) c_~var_1_4~0)) (forall ((~var_1_3~0 (_ BitVec 32))) (bvuge (bvadd ~var_1_3~0 .cse1) c_~var_1_4~0))))) is different from true [2024-11-08 18:18:10,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:18:10,286 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2024-11-08 18:18:10,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 18:18:10,289 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 55 [2024-11-08 18:18:10,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:18:10,291 INFO L225 Difference]: With dead ends: 48 [2024-11-08 18:18:10,291 INFO L226 Difference]: Without dead ends: 46 [2024-11-08 18:18:10,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 18.2s TimeCoverageRelationStatistics Valid=76, Invalid=239, Unknown=3, NotChecked=102, Total=420 [2024-11-08 18:18:10,293 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 31 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 129 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 18:18:10,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 92 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 45 Invalid, 0 Unknown, 129 Unchecked, 1.7s Time] [2024-11-08 18:18:10,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-08 18:18:10,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2024-11-08 18:18:10,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 29 states have internal predecessors, (30), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 18:18:10,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2024-11-08 18:18:10,313 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 55 [2024-11-08 18:18:10,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:18:10,314 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2024-11-08 18:18:10,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-08 18:18:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2024-11-08 18:18:10,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 18:18:10,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:18:10,320 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 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 18:18:10,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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)] Ended with exit code 0 [2024-11-08 18:18:10,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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 18:18:10,521 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:18:10,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:18:10,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1215976925, now seen corresponding path program 1 times [2024-11-08 18:18:10,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:18:10,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005995733] [2024-11-08 18:18:10,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:18:10,523 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 18:18:10,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:18:10,527 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/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 18:18:10,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a5f4369-ded0-4fa2-be07-1a9e4c34845f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 18:18:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:18:10,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 18:18:10,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:19:24,538 WARN L286 SmtUtils]: Spent 29.94s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 18:19:47,260 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:19:58,090 WARN L286 SmtUtils]: Spent 6.74s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:20:10,524 WARN L286 SmtUtils]: Spent 6.55s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:20:22,398 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:20:30,384 WARN L286 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:20:48,029 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:20:57,344 WARN L286 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:21:11,379 WARN L286 SmtUtils]: Spent 7.40s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:21:26,240 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:21:36,339 WARN L286 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:21:43,603 WARN L286 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:21:51,684 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:21:57,070 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:22:07,931 WARN L286 SmtUtils]: Spent 5.78s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:22:20,963 WARN L286 SmtUtils]: Spent 6.87s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:22:29,037 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:22:36,373 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:22:44,201 WARN L286 SmtUtils]: Spent 7.83s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 18:22:59,152 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-08 18:22:59,153 INFO L311 TraceCheckSpWp]: Computing backward predicates...