./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-39.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84e633614e7482dba224b999e9bb081b04011a937c6424777dcebad70121d48c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:24:06,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:24:06,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:24:06,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:24:06,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:24:06,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:24:06,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:24:06,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:24:06,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:24:06,783 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:24:06,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:24:06,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:24:06,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:24:06,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:24:06,788 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:24:06,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:24:06,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:24:06,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:24:06,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:24:06,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:24:06,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:24:06,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:24:06,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:24:06,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:24:06,797 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:24:06,797 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:24:06,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:24:06,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:24:06,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:24:06,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:24:06,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:24:06,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:24:06,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:24:06,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:24:06,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:24:06,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:24:06,804 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:24:06,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:24:06,805 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:24:06,805 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:24:06,805 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:24:06,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:24:06,807 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_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84e633614e7482dba224b999e9bb081b04011a937c6424777dcebad70121d48c [2024-11-08 17:24:07,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:24:07,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:24:07,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:24:07,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:24:07,187 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:24:07,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-39.i Unable to find full path for "g++" [2024-11-08 17:24:09,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:24:09,474 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:24:09,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-39.i [2024-11-08 17:24:09,494 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/data/519f3c7b5/36180afb4bbb40608cd8661ad9daf27c/FLAG922401671 [2024-11-08 17:24:09,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/data/519f3c7b5/36180afb4bbb40608cd8661ad9daf27c [2024-11-08 17:24:09,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:24:09,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:24:09,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:24:09,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:24:09,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:24:09,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:24:09" (1/1) ... [2024-11-08 17:24:09,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51915a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:09, skipping insertion in model container [2024-11-08 17:24:09,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:24:09" (1/1) ... [2024-11-08 17:24:09,587 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:24:09,842 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-39.i[915,928] [2024-11-08 17:24:09,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:24:09,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:24:10,012 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-39.i[915,928] [2024-11-08 17:24:10,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:24:10,088 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:24:10,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:10 WrapperNode [2024-11-08 17:24:10,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:24:10,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:24:10,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:24:10,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:24:10,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:10" (1/1) ... [2024-11-08 17:24:10,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:10" (1/1) ... [2024-11-08 17:24:10,160 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2024-11-08 17:24:10,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:24:10,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:24:10,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:24:10,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:24:10,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:10" (1/1) ... [2024-11-08 17:24:10,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:10" (1/1) ... [2024-11-08 17:24:10,184 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:10" (1/1) ... [2024-11-08 17:24:10,208 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:24:10,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:10" (1/1) ... [2024-11-08 17:24:10,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:10" (1/1) ... [2024-11-08 17:24:10,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:10" (1/1) ... [2024-11-08 17:24:10,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:10" (1/1) ... [2024-11-08 17:24:10,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:10" (1/1) ... [2024-11-08 17:24:10,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:10" (1/1) ... [2024-11-08 17:24:10,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:24:10,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:24:10,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:24:10,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:24:10,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:10" (1/1) ... [2024-11-08 17:24:10,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:24:10,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:24:10,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:24:10,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:24:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:24:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:24:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:24:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:24:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:24:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:24:10,436 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:24:10,439 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:24:11,045 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 17:24:11,046 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:24:11,066 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:24:11,066 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:24:11,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:24:11 BoogieIcfgContainer [2024-11-08 17:24:11,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:24:11,072 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:24:11,072 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:24:11,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:24:11,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:24:09" (1/3) ... [2024-11-08 17:24:11,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d42e9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:24:11, skipping insertion in model container [2024-11-08 17:24:11,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:10" (2/3) ... [2024-11-08 17:24:11,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d42e9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:24:11, skipping insertion in model container [2024-11-08 17:24:11,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:24:11" (3/3) ... [2024-11-08 17:24:11,083 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-39.i [2024-11-08 17:24:11,105 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:24:11,106 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:24:11,208 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:24:11,218 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;@60f7516a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:24:11,218 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:24:11,224 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) [2024-11-08 17:24:11,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-08 17:24:11,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:24:11,244 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, 1] [2024-11-08 17:24:11,245 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:24:11,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:11,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1155093013, now seen corresponding path program 1 times [2024-11-08 17:24:11,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:24:11,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113718178] [2024-11-08 17:24:11,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:11,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:24:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:24:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:24:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:24:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:24:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:24:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:24:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:24:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:24:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:24:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:24:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:24:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:24:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:24:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:24:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 17:24:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:24:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:24:11,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:24:11,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113718178] [2024-11-08 17:24:11,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113718178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:24:11,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:24:11,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:24:11,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244510765] [2024-11-08 17:24:11,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:24:11,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:24:11,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:24:11,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:24:11,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:24:11,854 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 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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) [2024-11-08 17:24:11,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:24:11,922 INFO L93 Difference]: Finished difference Result 129 states and 212 transitions. [2024-11-08 17:24:11,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:24:11,925 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 112 [2024-11-08 17:24:11,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:24:11,933 INFO L225 Difference]: With dead ends: 129 [2024-11-08 17:24:11,933 INFO L226 Difference]: Without dead ends: 64 [2024-11-08 17:24:11,937 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 [2024-11-08 17:24:11,940 INFO L432 NwaCegarLoop]: 94 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, 94 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:24:11,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:24:11,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-08 17:24:12,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-08 17:24:12,025 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) [2024-11-08 17:24:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-08 17:24:12,033 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 112 [2024-11-08 17:24:12,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:24:12,034 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-08 17:24:12,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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) [2024-11-08 17:24:12,035 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-08 17:24:12,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-08 17:24:12,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:24:12,042 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:24:12,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:24:12,043 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:24:12,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:12,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1007882765, now seen corresponding path program 1 times [2024-11-08 17:24:12,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:24:12,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867786648] [2024-11-08 17:24:12,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:12,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:24:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:24:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:24:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:24:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:24:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:24:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:24:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:24:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:24:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:24:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:24:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:24:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 17:24:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 17:24:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:24:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 17:24:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:24:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:24:13,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:24:13,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867786648] [2024-11-08 17:24:13,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867786648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:24:13,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:24:13,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:24:13,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818693350] [2024-11-08 17:24:13,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:24:13,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:24:13,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:24:13,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:24:13,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:24:13,278 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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) [2024-11-08 17:24:13,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:24:13,764 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2024-11-08 17:24:13,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:24:13,766 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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 112 [2024-11-08 17:24:13,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:24:13,769 INFO L225 Difference]: With dead ends: 189 [2024-11-08 17:24:13,769 INFO L226 Difference]: Without dead ends: 128 [2024-11-08 17:24:13,770 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 [2024-11-08 17:24:13,772 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 82 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:24:13,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 381 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:24:13,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-08 17:24:13,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 119. [2024-11-08 17:24:13,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 84 states have (on average 1.3333333333333333) internal successors, (112), 84 states have internal predecessors, (112), 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) [2024-11-08 17:24:13,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 176 transitions. [2024-11-08 17:24:13,829 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 176 transitions. Word has length 112 [2024-11-08 17:24:13,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:24:13,830 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 176 transitions. [2024-11-08 17:24:13,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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) [2024-11-08 17:24:13,831 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 176 transitions. [2024-11-08 17:24:13,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-08 17:24:13,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:24:13,833 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, 1] [2024-11-08 17:24:13,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:24:13,838 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:24:13,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:13,839 INFO L85 PathProgramCache]: Analyzing trace with hash -2007220853, now seen corresponding path program 1 times [2024-11-08 17:24:13,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:24:13,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106671238] [2024-11-08 17:24:13,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:13,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:24:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:24:14,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:24:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:24:14,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:24:14,579 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:24:14,582 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:24:14,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:24:14,588 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 17:24:14,713 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:24:14,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:24:14 BoogieIcfgContainer [2024-11-08 17:24:14,722 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:24:14,723 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:24:14,723 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:24:14,723 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:24:14,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:24:11" (3/4) ... [2024-11-08 17:24:14,730 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:24:14,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:24:14,735 INFO L158 Benchmark]: Toolchain (without parser) took 5205.23ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 123.4MB in the beginning and 140.0MB in the end (delta: -16.6MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-08 17:24:14,735 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 92.0MB in the beginning and 91.9MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:24:14,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.87ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 119.5MB in the end (delta: 3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 17:24:14,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.96ms. Allocated memory is still 155.2MB. Free memory was 119.5MB in the beginning and 116.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:24:14,737 INFO L158 Benchmark]: Boogie Preprocessor took 82.64ms. Allocated memory is still 155.2MB. Free memory was 116.6MB in the beginning and 113.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:24:14,741 INFO L158 Benchmark]: RCFGBuilder took 823.15ms. Allocated memory is still 155.2MB. Free memory was 113.2MB in the beginning and 91.4MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 17:24:14,741 INFO L158 Benchmark]: TraceAbstraction took 3650.35ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 90.6MB in the beginning and 140.0MB in the end (delta: -49.4MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2024-11-08 17:24:14,742 INFO L158 Benchmark]: Witness Printer took 8.69ms. Allocated memory is still 197.1MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:24:14,748 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 92.0MB in the beginning and 91.9MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.87ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 119.5MB in the end (delta: 3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.96ms. Allocated memory is still 155.2MB. Free memory was 119.5MB in the beginning and 116.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.64ms. Allocated memory is still 155.2MB. Free memory was 116.6MB in the beginning and 113.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 823.15ms. Allocated memory is still 155.2MB. Free memory was 113.2MB in the beginning and 91.4MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3650.35ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 90.6MB in the beginning and 140.0MB in the end (delta: -49.4MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. * Witness Printer took 8.69ms. Allocated memory is still 197.1MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 126, overapproximation of someBinaryArithmeticFLOAToperation at line 80. 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] COND TRUE 1 [L133] 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] [L133] RET updateLastVariables() [L134] 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=375, 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=375, 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=375, 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=375, 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=375, 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=375, 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=375, var_1_8=119, 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=375, var_1_8=119, 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=375, var_1_8=119, 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=375, var_1_8=119, 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=375, var_1_8=119, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=375, var_1_8=119, var_1_9=256] [L134] RET updateVariables() [L135] 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=2147483647, 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=375, var_1_8=119, 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=2147483647, 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=0, var_1_26=64, var_1_6=1, var_1_7=375, var_1_8=119, var_1_9=256] [L53] var_1_24 = var_1_25 [L54] var_1_26 = 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=2147483647, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=256, var_1_24=0, var_1_25=0, var_1_26=119, var_1_6=1, var_1_7=375, var_1_8=119, var_1_9=256] [L55] COND FALSE !(var_1_26 >= var_1_7) [L64] 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, var_1_10=10, var_1_11=2147483647, var_1_13=50, var_1_14=0, var_1_16=1, var_1_19=9/2, var_1_1=256, var_1_24=0, var_1_25=0, var_1_26=119, var_1_6=1, var_1_7=375, var_1_8=119, var_1_9=256] [L66] 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)))))) [L67] unsigned long int stepLocal_3 = var_1_8 / (1u + 16u); [L68] 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=2147483647, stepLocal_3=7, var_1_10=119, var_1_11=2147483647, var_1_13=50, var_1_14=0, var_1_16=1, var_1_19=9/2, var_1_1=256, var_1_24=0, var_1_25=0, var_1_26=119, var_1_6=1, var_1_7=375, var_1_8=119, var_1_9=256] [L69] COND FALSE !(var_1_26 < stepLocal_3) [L76] 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=2147483647, var_1_10=119, var_1_11=2147483647, var_1_13=119, var_1_14=0, var_1_16=1, var_1_19=9/2, var_1_1=256, var_1_24=0, var_1_25=0, var_1_26=119, var_1_6=1, var_1_7=375, var_1_8=119, var_1_9=256] [L78] 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=2147483647, stepLocal_4=119, var_1_10=119, var_1_11=2147483647, var_1_13=119, var_1_14=0, var_1_16=1, var_1_19=9/2, var_1_1=256, var_1_24=0, var_1_25=0, var_1_26=119, var_1_6=1, var_1_7=375, var_1_8=119, var_1_9=256] [L79] COND TRUE stepLocal_4 <= var_1_13 [L80] 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=2147483647, var_1_10=119, var_1_11=2147483647, var_1_13=119, var_1_14=0, var_1_16=1, var_1_19=3084274893, var_1_1=256, var_1_23=3084274893, var_1_24=0, var_1_25=0, var_1_26=119, var_1_6=1, var_1_7=375, var_1_8=119, var_1_9=256] [L84] 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=119, stepLocal_2=2147483647, var_1_10=119, var_1_11=2147483647, var_1_13=119, var_1_14=0, var_1_16=1, var_1_19=3084274893, var_1_1=256, var_1_23=3084274893, var_1_24=0, var_1_25=0, var_1_26=119, var_1_6=1, var_1_7=375, var_1_8=119, var_1_9=256] [L85] 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=2147483647, var_1_10=119, var_1_11=2147483647, var_1_13=119, var_1_14=0, var_1_16=1, var_1_19=3084274893, var_1_1=256, var_1_23=3084274893, var_1_24=0, var_1_25=0, var_1_26=119, var_1_6=1, var_1_7=375, var_1_8=119, var_1_9=256] [L135] RET step() [L136] 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=119, var_1_11=2147483647, var_1_13=119, var_1_14=0, var_1_16=1, var_1_19=3084274893, var_1_1=256, var_1_23=3084274893, var_1_24=0, var_1_25=0, var_1_26=119, var_1_6=1, var_1_7=375, var_1_8=119, 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)) ; [L136] RET, EXPR property() [L136] 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=119, var_1_11=2147483647, var_1_13=119, var_1_14=0, var_1_16=1, var_1_19=3084274893, var_1_1=256, var_1_23=3084274893, var_1_24=0, var_1_25=0, var_1_26=119, var_1_6=1, var_1_7=375, var_1_8=119, 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=119, var_1_11=2147483647, var_1_13=119, var_1_14=0, var_1_16=1, var_1_19=3084274893, var_1_1=256, var_1_23=3084274893, var_1_24=0, var_1_25=0, var_1_26=119, var_1_6=1, var_1_7=375, var_1_8=119, var_1_9=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 475 SdHoareTripleChecker+Invalid, 0.3s 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, 171 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=119occurred 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, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 294 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 [2024-11-08 17:24:14,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84e633614e7482dba224b999e9bb081b04011a937c6424777dcebad70121d48c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:24:17,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:24:17,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:24:17,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:24:17,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:24:18,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:24:18,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:24:18,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:24:18,065 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:24:18,067 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:24:18,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:24:18,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:24:18,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:24:18,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:24:18,070 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:24:18,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:24:18,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:24:18,074 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:24:18,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:24:18,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:24:18,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:24:18,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:24:18,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:24:18,081 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:24:18,081 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:24:18,081 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:24:18,082 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:24:18,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:24:18,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:24:18,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:24:18,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:24:18,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:24:18,087 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:24:18,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:24:18,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:24:18,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:24:18,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:24:18,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:24:18,089 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:24:18,089 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:24:18,091 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:24:18,091 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:24:18,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:24:18,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:24:18,092 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_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84e633614e7482dba224b999e9bb081b04011a937c6424777dcebad70121d48c [2024-11-08 17:24:18,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:24:18,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:24:18,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:24:18,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:24:18,597 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:24:18,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-39.i Unable to find full path for "g++" [2024-11-08 17:24:21,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:24:21,513 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:24:21,514 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-39.i [2024-11-08 17:24:21,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/data/3624fc711/e890c5c3e01744378c4690cd5dd6088b/FLAGdbbfababa [2024-11-08 17:24:21,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/data/3624fc711/e890c5c3e01744378c4690cd5dd6088b [2024-11-08 17:24:21,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:24:21,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:24:21,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:24:21,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:24:21,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:24:21,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:24:21" (1/1) ... [2024-11-08 17:24:21,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ff8a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:21, skipping insertion in model container [2024-11-08 17:24:21,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:24:21" (1/1) ... [2024-11-08 17:24:21,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:24:21,926 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-39.i[915,928] [2024-11-08 17:24:22,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:24:22,083 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:24:22,101 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-39.i[915,928] [2024-11-08 17:24:22,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:24:22,205 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:24:22,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:22 WrapperNode [2024-11-08 17:24:22,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:24:22,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:24:22,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:24:22,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:24:22,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:22" (1/1) ... [2024-11-08 17:24:22,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:22" (1/1) ... [2024-11-08 17:24:22,291 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-11-08 17:24:22,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:24:22,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:24:22,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:24:22,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:24:22,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:22" (1/1) ... [2024-11-08 17:24:22,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:22" (1/1) ... [2024-11-08 17:24:22,323 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:22" (1/1) ... [2024-11-08 17:24:22,343 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:24:22,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:22" (1/1) ... [2024-11-08 17:24:22,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:22" (1/1) ... [2024-11-08 17:24:22,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:22" (1/1) ... [2024-11-08 17:24:22,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:22" (1/1) ... [2024-11-08 17:24:22,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:22" (1/1) ... [2024-11-08 17:24:22,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:22" (1/1) ... [2024-11-08 17:24:22,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:24:22,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:24:22,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:24:22,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:24:22,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:22" (1/1) ... [2024-11-08 17:24:22,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:24:22,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:24:22,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:24:22,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:24:22,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:24:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:24:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:24:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:24:22,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:24:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:24:22,628 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:24:22,632 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:24:23,544 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 17:24:23,545 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:24:23,572 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:24:23,573 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:24:23,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:24:23 BoogieIcfgContainer [2024-11-08 17:24:23,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:24:23,578 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:24:23,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:24:23,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:24:23,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:24:21" (1/3) ... [2024-11-08 17:24:23,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a501c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:24:23, skipping insertion in model container [2024-11-08 17:24:23,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:22" (2/3) ... [2024-11-08 17:24:23,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a501c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:24:23, skipping insertion in model container [2024-11-08 17:24:23,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:24:23" (3/3) ... [2024-11-08 17:24:23,593 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-39.i [2024-11-08 17:24:23,619 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:24:23,620 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:24:23,698 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:24:23,707 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;@68ed072d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:24:23,708 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:24:23,714 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) [2024-11-08 17:24:23,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 17:24:23,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:24:23,732 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] [2024-11-08 17:24:23,733 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:24:23,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:23,741 INFO L85 PathProgramCache]: Analyzing trace with hash -529007939, now seen corresponding path program 1 times [2024-11-08 17:24:23,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:24:23,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621152459] [2024-11-08 17:24:23,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:23,788 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:24:23,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:24:23,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:24:23,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 17:24:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:24,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:24:24,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:24:24,263 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-08 17:24:24,264 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:24:24,265 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:24:24,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621152459] [2024-11-08 17:24:24,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621152459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:24:24,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:24:24,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:24:24,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771282662] [2024-11-08 17:24:24,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:24:24,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:24:24,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:24:24,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:24:24,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:24:24,316 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 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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) [2024-11-08 17:24:24,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:24:24,367 INFO L93 Difference]: Finished difference Result 109 states and 180 transitions. [2024-11-08 17:24:24,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:24:24,370 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 108 [2024-11-08 17:24:24,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:24:24,383 INFO L225 Difference]: With dead ends: 109 [2024-11-08 17:24:24,384 INFO L226 Difference]: Without dead ends: 54 [2024-11-08 17:24:24,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:24:24,400 INFO L432 NwaCegarLoop]: 78 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, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:24:24,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:24:24,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-08 17:24:24,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-08 17:24:24,477 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) [2024-11-08 17:24:24,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2024-11-08 17:24:24,485 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 108 [2024-11-08 17:24:24,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:24:24,487 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2024-11-08 17:24:24,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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) [2024-11-08 17:24:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2024-11-08 17:24:24,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 17:24:24,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:24:24,495 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] [2024-11-08 17:24:24,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 17:24:24,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:24:24,700 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:24:24,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:24,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1757443765, now seen corresponding path program 1 times [2024-11-08 17:24:24,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:24:24,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322492024] [2024-11-08 17:24:24,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:24,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:24:24,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:24:24,708 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 17:24:24,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_271fe00d-a01f-4614-aabf-6dff80310ab9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 17:24:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:25,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 17:24:25,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:06,049 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:25:36,902 WARN L286 SmtUtils]: Spent 25.64s on a formula simplification that was a NOOP. DAG size: 93 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:26:02,340 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:26:42,802 WARN L286 SmtUtils]: Spent 25.40s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:27:08,295 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:27:51,124 WARN L286 SmtUtils]: Spent 27.34s on a formula simplification that was a NOOP. DAG size: 98 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)