./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-39.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78bf3ce40ded3ae0bef00a22026555953d3817587ab73904ce26421056be8ea6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:07:26,903 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:07:26,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:07:26,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:07:27,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:07:27,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:07:27,037 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:07:27,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:07:27,039 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:07:27,040 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:07:27,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:07:27,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:07:27,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:07:27,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:07:27,042 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:07:27,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:07:27,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:07:27,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:07:27,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:07:27,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:07:27,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:07:27,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:07:27,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:07:27,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:07:27,050 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:07:27,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:07:27,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:07:27,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:07:27,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:07:27,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:07:27,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:07:27,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:07:27,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:27,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:07:27,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:07:27,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:07:27,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:07:27,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:07:27,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:07:27,057 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:07:27,057 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:07:27,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:07:27,058 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_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78bf3ce40ded3ae0bef00a22026555953d3817587ab73904ce26421056be8ea6 [2024-10-31 22:07:27,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:07:27,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:07:27,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:07:27,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:07:27,385 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:07:27,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-39.i Unable to find full path for "g++" [2024-10-31 22:07:29,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:07:29,717 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:07:29,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-39.i [2024-10-31 22:07:29,728 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/data/bae643c86/7257dfd9ccc44c0a9d0bbe8e212d269c/FLAG481c193bc [2024-10-31 22:07:29,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/data/bae643c86/7257dfd9ccc44c0a9d0bbe8e212d269c [2024-10-31 22:07:29,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:07:29,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:07:29,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:29,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:07:29,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:07:29,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:29" (1/1) ... [2024-10-31 22:07:29,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cfafc06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:29, skipping insertion in model container [2024-10-31 22:07:29,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:29" (1/1) ... [2024-10-31 22:07:29,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:07:29,986 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-39.i[915,928] [2024-10-31 22:07:30,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:30,061 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:07:30,075 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-39.i[915,928] [2024-10-31 22:07:30,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:30,130 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:07:30,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:30 WrapperNode [2024-10-31 22:07:30,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:30,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:30,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:07:30,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:07:30,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:30" (1/1) ... [2024-10-31 22:07:30,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:30" (1/1) ... [2024-10-31 22:07:30,188 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2024-10-31 22:07:30,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:30,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:07:30,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:07:30,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:07:30,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:30" (1/1) ... [2024-10-31 22:07:30,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:30" (1/1) ... [2024-10-31 22:07:30,208 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:30" (1/1) ... [2024-10-31 22:07:30,228 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:07:30,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:30" (1/1) ... [2024-10-31 22:07:30,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:30" (1/1) ... [2024-10-31 22:07:30,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:30" (1/1) ... [2024-10-31 22:07:30,250 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:30" (1/1) ... [2024-10-31 22:07:30,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:30" (1/1) ... [2024-10-31 22:07:30,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:30" (1/1) ... [2024-10-31 22:07:30,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:07:30,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:07:30,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:07:30,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:07:30,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:30" (1/1) ... [2024-10-31 22:07:30,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:30,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:30,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:30,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:07:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:07:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:07:30,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:07:30,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:07:30,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:07:30,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:07:30,438 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:07:30,442 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:07:30,914 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-31 22:07:30,914 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:07:30,935 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:07:30,937 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:07:30,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:30 BoogieIcfgContainer [2024-10-31 22:07:30,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:07:30,941 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:07:30,943 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:07:30,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:07:30,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:07:29" (1/3) ... [2024-10-31 22:07:30,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e21b2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:30, skipping insertion in model container [2024-10-31 22:07:30,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:30" (2/3) ... [2024-10-31 22:07:30,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e21b2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:30, skipping insertion in model container [2024-10-31 22:07:30,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:30" (3/3) ... [2024-10-31 22:07:30,952 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-39.i [2024-10-31 22:07:30,976 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:07:30,976 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:07:31,052 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:07:31,059 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;@6cb71c37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:07:31,060 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:07:31,065 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 50 states have internal predecessors, (69), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 22:07:31,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-31 22:07:31,078 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:31,078 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:31,079 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:07:31,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:31,085 INFO L85 PathProgramCache]: Analyzing trace with hash 465196961, now seen corresponding path program 1 times [2024-10-31 22:07:31,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:31,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130905452] [2024-10-31 22:07:31,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:31,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:07:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:07:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:07:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:07:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:07:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:07:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:07:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:07:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:07:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:07:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:07:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:07:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:07:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:07:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-31 22:07:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:07:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:31,549 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-31 22:07:31,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:31,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130905452] [2024-10-31 22:07:31,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130905452] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:31,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:31,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:31,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352661690] [2024-10-31 22:07:31,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:31,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:07:31,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:31,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:07:31,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:07:31,589 INFO L87 Difference]: Start difference. First operand has 68 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 50 states have internal predecessors, (69), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-31 22:07:31,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:31,633 INFO L93 Difference]: Finished difference Result 133 states and 215 transitions. [2024-10-31 22:07:31,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:07:31,636 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 111 [2024-10-31 22:07:31,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:07:31,645 INFO L225 Difference]: With dead ends: 133 [2024-10-31 22:07:31,646 INFO L226 Difference]: Without dead ends: 64 [2024-10-31 22:07:31,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:07:31,655 INFO L432 NwaCegarLoop]: 98 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, 98 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:07:31,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:07:31,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-31 22:07:31,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-10-31 22:07:31,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 22:07:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-10-31 22:07:31,714 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 111 [2024-10-31 22:07:31,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:07:31,715 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-10-31 22:07:31,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-31 22:07:31,715 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-10-31 22:07:31,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-31 22:07:31,721 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:31,721 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:31,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:07:31,722 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:07:31,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:31,724 INFO L85 PathProgramCache]: Analyzing trace with hash -2033403735, now seen corresponding path program 1 times [2024-10-31 22:07:31,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:31,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730058875] [2024-10-31 22:07:31,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:31,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:07:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:07:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:07:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:07:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:07:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:07:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:07:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:07:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:07:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:07:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:07:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:07:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:07:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:07:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-31 22:07:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:07:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-31 22:07:32,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:32,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730058875] [2024-10-31 22:07:32,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730058875] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:32,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:32,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:07:32,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465882464] [2024-10-31 22:07:32,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:32,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:07:32,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:32,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:07:32,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:07:32,705 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-31 22:07:33,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:33,107 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2024-10-31 22:07:33,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:07:33,108 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 111 [2024-10-31 22:07:33,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:07:33,110 INFO L225 Difference]: With dead ends: 189 [2024-10-31 22:07:33,110 INFO L226 Difference]: Without dead ends: 128 [2024-10-31 22:07:33,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:07:33,116 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 75 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:07:33,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 381 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:07:33,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-10-31 22:07:33,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 118. [2024-10-31 22:07:33,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 83 states have internal predecessors, (111), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-31 22:07:33,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 175 transitions. [2024-10-31 22:07:33,166 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 175 transitions. Word has length 111 [2024-10-31 22:07:33,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:07:33,167 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 175 transitions. [2024-10-31 22:07:33,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-31 22:07:33,168 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 175 transitions. [2024-10-31 22:07:33,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-31 22:07:33,170 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:33,171 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:33,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:07:33,171 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:07:33,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:33,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1022286485, now seen corresponding path program 1 times [2024-10-31 22:07:33,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:33,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576868610] [2024-10-31 22:07:33,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:33,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:33,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:07:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:07:33,945 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:07:33,945 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:07:33,947 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:07:33,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:07:33,953 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-31 22:07:34,066 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:07:34,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:07:34 BoogieIcfgContainer [2024-10-31 22:07:34,070 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:07:34,071 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:07:34,071 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:07:34,072 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:07:34,072 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:30" (3/4) ... [2024-10-31 22:07:34,075 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:07:34,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:07:34,079 INFO L158 Benchmark]: Toolchain (without parser) took 4329.81ms. Allocated memory was 184.5MB in the beginning and 243.3MB in the end (delta: 58.7MB). Free memory was 145.6MB in the beginning and 96.7MB in the end (delta: 48.9MB). Peak memory consumption was 109.4MB. Max. memory is 16.1GB. [2024-10-31 22:07:34,079 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:07:34,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.60ms. Allocated memory is still 184.5MB. Free memory was 145.6MB in the beginning and 130.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:07:34,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.33ms. Allocated memory is still 184.5MB. Free memory was 129.6MB in the beginning and 126.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:07:34,080 INFO L158 Benchmark]: Boogie Preprocessor took 67.73ms. Allocated memory is still 184.5MB. Free memory was 126.7MB in the beginning and 123.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:07:34,081 INFO L158 Benchmark]: RCFGBuilder took 680.71ms. Allocated memory is still 184.5MB. Free memory was 123.3MB in the beginning and 102.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-31 22:07:34,081 INFO L158 Benchmark]: TraceAbstraction took 3129.33ms. Allocated memory was 184.5MB in the beginning and 243.3MB in the end (delta: 58.7MB). Free memory was 101.5MB in the beginning and 97.8MB in the end (delta: 3.8MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2024-10-31 22:07:34,081 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 243.3MB. Free memory was 97.8MB in the beginning and 96.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:07:34,088 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.60ms. Allocated memory is still 184.5MB. Free memory was 145.6MB in the beginning and 130.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.33ms. Allocated memory is still 184.5MB. Free memory was 129.6MB in the beginning and 126.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.73ms. Allocated memory is still 184.5MB. Free memory was 126.7MB in the beginning and 123.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.71ms. Allocated memory is still 184.5MB. Free memory was 123.3MB in the beginning and 102.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3129.33ms. Allocated memory was 184.5MB in the beginning and 243.3MB in the end (delta: 58.7MB). Free memory was 101.5MB in the beginning and 97.8MB in the end (delta: 3.8MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 243.3MB. Free memory was 97.8MB in the beginning and 96.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 126, overapproximation of someBinaryArithmeticFLOAToperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] unsigned char var_1_6 = 0; [L24] signed short int var_1_7 = 8; [L25] signed short int var_1_8 = 4; [L26] unsigned long int var_1_9 = 256; [L27] unsigned long int var_1_10 = 10; [L28] unsigned long int var_1_11 = 3084274888; [L29] unsigned long int var_1_13 = 50; [L30] signed long int var_1_14 = -10; [L31] unsigned char var_1_16 = 0; [L32] float var_1_19 = 4.5; [L33] float var_1_20 = 15.375; [L34] float var_1_21 = 32.725; [L35] float var_1_22 = 63.5; [L36] float var_1_23 = 16.375; [L37] signed char var_1_24 = -32; [L38] signed char var_1_25 = 0; [L39] unsigned short int var_1_26 = 64; [L40] unsigned long int last_1_var_1_9 = 256; [L41] unsigned long int last_1_var_1_10 = 10; [L42] signed long int last_1_var_1_14 = -10; [L43] signed char last_1_var_1_24 = -32; VAL [isInitial=0, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L130] isInitial = 1 [L131] FCALL initially() [L132] int k_loop; [L133] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L133] COND TRUE k_loop < 1 [L134] CALL updateLastVariables() [L120] last_1_var_1_9 = var_1_9 [L121] last_1_var_1_10 = var_1_10 [L122] last_1_var_1_14 = var_1_14 [L123] last_1_var_1_24 = var_1_24 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L134] RET updateLastVariables() [L135] CALL updateVariables() [L92] var_1_6 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_7=8, var_1_8=4, var_1_9=256] [L93] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_7=8, var_1_8=4, var_1_9=256] [L94] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=8, var_1_8=4, var_1_9=256] [L94] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=8, var_1_8=4, var_1_9=256] [L95] var_1_7 = __VERIFIER_nondet_short() [L96] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=4, var_1_9=256] [L96] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=4, var_1_9=256] [L97] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=4, var_1_9=256] [L97] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=4, var_1_9=256] [L98] var_1_8 = __VERIFIER_nondet_short() [L99] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L99] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L100] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L100] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L101] var_1_11 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L102] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L103] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L103] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L104] var_1_16 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L105] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L106] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L106] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L107] var_1_20 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L108] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L109] var_1_21 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L110] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L111] var_1_22 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L112] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L113] var_1_23 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L114] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L115] var_1_25 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_25 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=-1, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=-1, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L116] RET assume_abort_if_not(var_1_25 >= -127) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=-1, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L117] CALL assume_abort_if_not(var_1_25 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=-1, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=-1, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L117] RET assume_abort_if_not(var_1_25 <= 126) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=-1, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L135] RET updateVariables() [L136] CALL step() [L47] EXPR (last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=-1, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L47] unsigned long int stepLocal_0 = (last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10; [L48] COND TRUE stepLocal_0 < (last_1_var_1_24 | -4) [L49] var_1_1 = (var_1_7 - var_1_8) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=256, var_1_24=-32, var_1_25=-1, var_1_26=64, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L53] var_1_24 = var_1_25 [L54] var_1_26 = var_1_8 [L55] var_1_10 = ((((((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) < (((((0u) > (var_1_26)) ? (0u) : (var_1_26))))) ? (((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) : (((((0u) > (var_1_26)) ? (0u) : (var_1_26)))))) [L56] unsigned long int stepLocal_3 = var_1_8 / (1u + 16u); [L57] unsigned long int stepLocal_2 = var_1_11; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, stepLocal_2=18446744069414584318U, stepLocal_3=0, var_1_10=0, var_1_11=18446744069414584318U, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=256, var_1_24=-1, var_1_25=-1, var_1_26=0, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L58] COND FALSE !(var_1_26 < stepLocal_3) [L65] var_1_13 = var_1_8 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, stepLocal_2=18446744069414584318U, var_1_10=0, var_1_11=18446744069414584318U, var_1_13=0, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=256, var_1_24=-1, var_1_25=-1, var_1_26=0, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L67] signed short int stepLocal_4 = var_1_8; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, stepLocal_2=18446744069414584318U, stepLocal_4=0, var_1_10=0, var_1_11=18446744069414584318U, var_1_13=0, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=256, var_1_24=-1, var_1_25=-1, var_1_26=0, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L68] COND TRUE stepLocal_4 <= var_1_13 [L69] var_1_19 = (((((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) > (var_1_23)) ? ((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) : (var_1_23))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, stepLocal_2=18446744069414584318U, var_1_10=0, var_1_11=18446744069414584318U, var_1_13=0, var_1_14=-10, var_1_16=1, var_1_19=18446744069414584323, var_1_1=256, var_1_23=18446744069414584323, var_1_24=-1, var_1_25=-1, var_1_26=0, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L73] unsigned long int stepLocal_1 = var_1_10; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, stepLocal_1=0, stepLocal_2=18446744069414584318U, var_1_10=0, var_1_11=18446744069414584318U, var_1_13=0, var_1_14=-10, var_1_16=1, var_1_19=18446744069414584323, var_1_1=256, var_1_23=18446744069414584323, var_1_24=-1, var_1_25=-1, var_1_26=0, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L74] COND FALSE !(stepLocal_1 >= ((((var_1_1) < (last_1_var_1_9)) ? (var_1_1) : (last_1_var_1_9)))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, stepLocal_2=18446744069414584318U, var_1_10=0, var_1_11=18446744069414584318U, var_1_13=0, var_1_14=-10, var_1_16=1, var_1_19=18446744069414584323, var_1_1=256, var_1_23=18446744069414584323, var_1_24=-1, var_1_25=-1, var_1_26=0, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L79] COND FALSE !(var_1_26 >= var_1_7) [L88] var_1_14 = var_1_24 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, stepLocal_2=18446744069414584318U, var_1_10=0, var_1_11=18446744069414584318U, var_1_13=0, var_1_14=-1, var_1_16=1, var_1_19=18446744069414584323, var_1_1=256, var_1_23=18446744069414584323, var_1_24=-1, var_1_25=-1, var_1_26=0, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L136] RET step() [L137] CALL, EXPR property() [L126] EXPR (last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=0, var_1_11=18446744069414584318U, var_1_13=0, var_1_14=-1, var_1_16=1, var_1_19=18446744069414584323, var_1_1=256, var_1_23=18446744069414584323, var_1_24=-1, var_1_25=-1, var_1_26=0, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L126-L127] return ((((((((((last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10) < (last_1_var_1_24 | -4)) ? (var_1_1 == ((signed short int) (var_1_7 - var_1_8))) : (var_1_1 == ((signed short int) (last_1_var_1_10 + -16)))) && ((var_1_10 >= ((((var_1_1) < (last_1_var_1_9)) ? (var_1_1) : (last_1_var_1_9)))) ? (var_1_6 ? (var_1_9 == ((unsigned long int) var_1_8)) : 1) : 1)) && (var_1_10 == ((unsigned long int) ((((((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) < (((((0u) > (var_1_26)) ? (0u) : (var_1_26))))) ? (((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) : (((((0u) > (var_1_26)) ? (0u) : (var_1_26))))))))) && ((var_1_26 < (var_1_8 / (1u + 16u))) ? ((var_1_11 > (var_1_26 + 5u)) ? (var_1_13 == ((unsigned long int) ((((var_1_26) > (var_1_11)) ? (var_1_26) : (var_1_11))))) : (var_1_13 == ((unsigned long int) 5u))) : (var_1_13 == ((unsigned long int) var_1_8)))) && ((var_1_26 >= var_1_7) ? ((var_1_1 > var_1_11) ? ((var_1_6 && var_1_16) ? (var_1_14 == ((signed long int) (var_1_7 - (var_1_26 + var_1_8)))) : (var_1_14 == ((signed long int) var_1_26))) : 1) : (var_1_14 == ((signed long int) var_1_24)))) && ((var_1_8 <= var_1_13) ? (var_1_19 == ((float) (((((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) > (var_1_23)) ? ((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) : (var_1_23))))) : (var_1_19 == ((float) var_1_22)))) && (var_1_24 == ((signed char) var_1_25))) && (var_1_26 == ((unsigned short int) var_1_8)) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=0, var_1_11=18446744069414584318U, var_1_13=0, var_1_14=-1, var_1_16=1, var_1_19=18446744069414584323, var_1_1=256, var_1_23=18446744069414584323, var_1_24=-1, var_1_25=-1, var_1_26=0, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=0, var_1_11=18446744069414584318U, var_1_13=0, var_1_14=-1, var_1_16=1, var_1_19=18446744069414584323, var_1_1=256, var_1_23=18446744069414584323, var_1_24=-1, var_1_25=-1, var_1_26=0, var_1_6=1, var_1_7=256, var_1_8=0, var_1_9=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 479 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 304 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 175 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=2, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 333 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 292 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 960/960 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:07:34,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78bf3ce40ded3ae0bef00a22026555953d3817587ab73904ce26421056be8ea6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:07:36,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:07:36,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:07:36,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:07:36,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:07:36,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:07:36,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:07:36,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:07:36,740 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:07:36,741 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:07:36,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:07:36,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:07:36,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:07:36,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:07:36,746 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:07:36,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:07:36,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:07:36,747 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:07:36,747 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:07:36,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:07:36,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:07:36,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:07:36,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:07:36,750 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:07:36,750 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:07:36,750 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:07:36,751 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:07:36,751 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:07:36,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:07:36,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:07:36,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:07:36,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:07:36,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:07:36,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:07:36,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:36,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:07:36,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:07:36,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:07:36,755 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:07:36,755 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:07:36,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:07:36,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:07:36,756 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:07:36,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:07:36,757 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:07:36,757 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_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78bf3ce40ded3ae0bef00a22026555953d3817587ab73904ce26421056be8ea6 [2024-10-31 22:07:37,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:07:37,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:07:37,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:07:37,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:07:37,180 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:07:37,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-39.i Unable to find full path for "g++" [2024-10-31 22:07:39,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:07:39,766 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:07:39,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-39.i [2024-10-31 22:07:39,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/data/800d9eb90/c2f61cbf282a4a73892f14a180c2e10f/FLAG64ef9b56f [2024-10-31 22:07:40,053 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/data/800d9eb90/c2f61cbf282a4a73892f14a180c2e10f [2024-10-31 22:07:40,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:07:40,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:07:40,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:40,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:07:40,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:07:40,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:40" (1/1) ... [2024-10-31 22:07:40,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299e1e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40, skipping insertion in model container [2024-10-31 22:07:40,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:07:40" (1/1) ... [2024-10-31 22:07:40,107 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:07:40,326 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-39.i[915,928] [2024-10-31 22:07:40,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:40,424 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:07:40,441 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-39.i[915,928] [2024-10-31 22:07:40,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:07:40,493 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:07:40,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40 WrapperNode [2024-10-31 22:07:40,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:07:40,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:40,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:07:40,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:07:40,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40" (1/1) ... [2024-10-31 22:07:40,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40" (1/1) ... [2024-10-31 22:07:40,552 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-10-31 22:07:40,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:07:40,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:07:40,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:07:40,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:07:40,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40" (1/1) ... [2024-10-31 22:07:40,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40" (1/1) ... [2024-10-31 22:07:40,580 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40" (1/1) ... [2024-10-31 22:07:40,599 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:07:40,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40" (1/1) ... [2024-10-31 22:07:40,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40" (1/1) ... [2024-10-31 22:07:40,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40" (1/1) ... [2024-10-31 22:07:40,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40" (1/1) ... [2024-10-31 22:07:40,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40" (1/1) ... [2024-10-31 22:07:40,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40" (1/1) ... [2024-10-31 22:07:40,624 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:07:40,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:07:40,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:07:40,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:07:40,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40" (1/1) ... [2024-10-31 22:07:40,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:40,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:40,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:07:40,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:07:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:07:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:07:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:07:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:07:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:07:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:07:40,801 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:07:40,804 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:07:41,573 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-31 22:07:41,574 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:07:41,592 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:07:41,594 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:07:41,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:41 BoogieIcfgContainer [2024-10-31 22:07:41,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:07:41,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:07:41,599 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:07:41,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:07:41,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:07:40" (1/3) ... [2024-10-31 22:07:41,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324e8219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:41, skipping insertion in model container [2024-10-31 22:07:41,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:07:40" (2/3) ... [2024-10-31 22:07:41,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@324e8219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:07:41, skipping insertion in model container [2024-10-31 22:07:41,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:07:41" (3/3) ... [2024-10-31 22:07:41,609 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-39.i [2024-10-31 22:07:41,630 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:07:41,630 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:07:41,713 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:07:41,721 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;@a4de728, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:07:41,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:07:41,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 22:07:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-31 22:07:41,741 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:41,742 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:41,744 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:07:41,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:41,750 INFO L85 PathProgramCache]: Analyzing trace with hash 82066145, now seen corresponding path program 1 times [2024-10-31 22:07:41,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:07:41,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278871420] [2024-10-31 22:07:41,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:41,766 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:07:41,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:07:41,770 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:07:41,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-31 22:07:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:42,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:07:42,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:42,166 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-10-31 22:07:42,170 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:07:42,171 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:07:42,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278871420] [2024-10-31 22:07:42,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278871420] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:42,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:42,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:07:42,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077530185] [2024-10-31 22:07:42,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:42,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:07:42,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:07:42,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:07:42,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:07:42,209 INFO L87 Difference]: Start difference. First operand has 58 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-31 22:07:42,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:42,264 INFO L93 Difference]: Finished difference Result 113 states and 183 transitions. [2024-10-31 22:07:42,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:07:42,266 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2024-10-31 22:07:42,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:07:42,277 INFO L225 Difference]: With dead ends: 113 [2024-10-31 22:07:42,277 INFO L226 Difference]: Without dead ends: 54 [2024-10-31 22:07:42,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:07:42,286 INFO L432 NwaCegarLoop]: 82 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, 82 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:07:42,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:07:42,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-31 22:07:42,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-31 22:07:42,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 22:07:42,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2024-10-31 22:07:42,349 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 107 [2024-10-31 22:07:42,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:07:42,350 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2024-10-31 22:07:42,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-31 22:07:42,352 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2024-10-31 22:07:42,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-31 22:07:42,357 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:42,357 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:42,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:07:42,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:07:42,561 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:07:42,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:42,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1679843305, now seen corresponding path program 1 times [2024-10-31 22:07:42,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:07:42,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [545613394] [2024-10-31 22:07:42,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:42,566 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:07:42,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:07:42,569 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:07:42,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67c3f5a-550a-4b46-a625-30bd6780f745/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-31 22:07:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:42,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-31 22:07:42,891 INFO L278 TraceCheckSpWp]: Computing forward predicates...