./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme --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 fe7400f0b0ab4fdd8aedde72286ef8e424ee02ac98a8a7a44d0658bd5103a03f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:33,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:33,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:49:33,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:33,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:33,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:33,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:33,206 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:33,206 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:49:33,207 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:49:33,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:49:33,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:49:33,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:33,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:33,210 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:33,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:33,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:49:33,212 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:49:33,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:49:33,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:49:33,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:33,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:49:33,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:49:33,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:49:33,217 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:49:33,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:49:33,218 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:33,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:33,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:33,220 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:49:33,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:49:33,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:33,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:33,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:49:33,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:49:33,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:49:33,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:49:33,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:49:33,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:49:33,224 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:49:33,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:49:33,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:49:33,225 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_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe7400f0b0ab4fdd8aedde72286ef8e424ee02ac98a8a7a44d0658bd5103a03f [2023-11-26 11:49:33,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:33,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:33,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:33,544 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:33,545 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:33,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i [2023-11-26 11:49:36,772 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:49:37,015 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:49:37,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i [2023-11-26 11:49:37,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/data/4cc6bf964/2e1cbb9b36bc4318b56448cd2eec0fce/FLAG5e07762d5 [2023-11-26 11:49:37,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/data/4cc6bf964/2e1cbb9b36bc4318b56448cd2eec0fce [2023-11-26 11:49:37,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:49:37,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:49:37,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:37,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:49:37,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:49:37,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:37" (1/1) ... [2023-11-26 11:49:37,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119629ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37, skipping insertion in model container [2023-11-26 11:49:37,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:37" (1/1) ... [2023-11-26 11:49:37,110 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:49:37,311 WARN L240 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_4070411c-aba4-4ed2-ac28-fff25ae4961c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i[916,929] [2023-11-26 11:49:37,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:37,388 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:49:37,406 WARN L240 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_4070411c-aba4-4ed2-ac28-fff25ae4961c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i[916,929] [2023-11-26 11:49:37,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:37,465 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:49:37,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37 WrapperNode [2023-11-26 11:49:37,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:37,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:37,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:49:37,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:49:37,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37" (1/1) ... [2023-11-26 11:49:37,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37" (1/1) ... [2023-11-26 11:49:37,529 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2023-11-26 11:49:37,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:37,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:49:37,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:49:37,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:49:37,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37" (1/1) ... [2023-11-26 11:49:37,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37" (1/1) ... [2023-11-26 11:49:37,562 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37" (1/1) ... [2023-11-26 11:49:37,592 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]. [2023-11-26 11:49:37,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37" (1/1) ... [2023-11-26 11:49:37,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37" (1/1) ... [2023-11-26 11:49:37,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37" (1/1) ... [2023-11-26 11:49:37,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37" (1/1) ... [2023-11-26 11:49:37,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37" (1/1) ... [2023-11-26 11:49:37,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37" (1/1) ... [2023-11-26 11:49:37,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:49:37,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:49:37,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:49:37,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:49:37,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37" (1/1) ... [2023-11-26 11:49:37,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:37,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:37,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:37,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:49:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:49:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:49:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:49:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:49:37,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:49:37,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:49:37,871 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:49:37,874 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:49:38,373 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:49:38,406 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:49:38,406 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:49:38,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:38 BoogieIcfgContainer [2023-11-26 11:49:38,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:49:38,410 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:49:38,410 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:49:38,414 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:49:38,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:49:37" (1/3) ... [2023-11-26 11:49:38,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754022bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:38, skipping insertion in model container [2023-11-26 11:49:38,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:37" (2/3) ... [2023-11-26 11:49:38,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754022bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:38, skipping insertion in model container [2023-11-26 11:49:38,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:38" (3/3) ... [2023-11-26 11:49:38,418 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-81.i [2023-11-26 11:49:38,438 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:49:38,439 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:49:38,492 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:49:38,498 INFO L357 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, mHoare=true, 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;@3044d6f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:49:38,498 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:49:38,502 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 39 states have internal predecessors, (56), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 11:49:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-26 11:49:38,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:38,518 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:38,519 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:38,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:38,524 INFO L85 PathProgramCache]: Analyzing trace with hash -729649733, now seen corresponding path program 1 times [2023-11-26 11:49:38,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:38,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863659184] [2023-11-26 11:49:38,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:38,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 11:49:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:49:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:49:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 11:49:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 11:49:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 11:49:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 11:49:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 11:49:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 11:49:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 11:49:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 11:49:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 11:49:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-26 11:49:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-26 11:49:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:38,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-26 11:49:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-26 11:49:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-26 11:49:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-26 11:49:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-26 11:49:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-26 11:49:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-26 11:49:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-26 11:49:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,050 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-26 11:49:39,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:39,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863659184] [2023-11-26 11:49:39,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863659184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:39,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:39,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:49:39,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454590005] [2023-11-26 11:49:39,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:39,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:49:39,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:39,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:49:39,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:49:39,106 INFO L87 Difference]: Start difference. First operand has 63 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 39 states have internal predecessors, (56), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-26 11:49:39,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:39,152 INFO L93 Difference]: Finished difference Result 123 states and 220 transitions. [2023-11-26 11:49:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:49:39,155 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 135 [2023-11-26 11:49:39,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:39,164 INFO L225 Difference]: With dead ends: 123 [2023-11-26 11:49:39,164 INFO L226 Difference]: Without dead ends: 61 [2023-11-26 11:49:39,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:49:39,172 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:39,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:49:39,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-26 11:49:39,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-26 11:49:39,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 37 states have internal predecessors, (51), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 11:49:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 95 transitions. [2023-11-26 11:49:39,223 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 95 transitions. Word has length 135 [2023-11-26 11:49:39,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:39,224 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 95 transitions. [2023-11-26 11:49:39,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-26 11:49:39,224 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 95 transitions. [2023-11-26 11:49:39,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-26 11:49:39,228 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:39,228 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:39,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:49:39,229 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:39,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:39,230 INFO L85 PathProgramCache]: Analyzing trace with hash -2027312005, now seen corresponding path program 1 times [2023-11-26 11:49:39,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:39,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694193872] [2023-11-26 11:49:39,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:39,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 11:49:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:49:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:49:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 11:49:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 11:49:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 11:49:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 11:49:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 11:49:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 11:49:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 11:49:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 11:49:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 11:49:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-26 11:49:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-26 11:49:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-26 11:49:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-26 11:49:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-26 11:49:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-26 11:49:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-26 11:49:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-26 11:49:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-26 11:49:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-26 11:49:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-26 11:49:39,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:39,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694193872] [2023-11-26 11:49:39,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694193872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:39,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:39,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:49:39,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921210321] [2023-11-26 11:49:39,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:39,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:49:39,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:39,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:49:39,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:49:39,835 INFO L87 Difference]: Start difference. First operand 61 states and 95 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-26 11:49:40,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:40,055 INFO L93 Difference]: Finished difference Result 182 states and 284 transitions. [2023-11-26 11:49:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:49:40,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 135 [2023-11-26 11:49:40,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:40,060 INFO L225 Difference]: With dead ends: 182 [2023-11-26 11:49:40,060 INFO L226 Difference]: Without dead ends: 122 [2023-11-26 11:49:40,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:49:40,063 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 62 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:40,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 249 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 11:49:40,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-26 11:49:40,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 115. [2023-11-26 11:49:40,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 68 states have (on average 1.338235294117647) internal successors, (91), 68 states have internal predecessors, (91), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-26 11:49:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 179 transitions. [2023-11-26 11:49:40,123 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 179 transitions. Word has length 135 [2023-11-26 11:49:40,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:40,124 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 179 transitions. [2023-11-26 11:49:40,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-26 11:49:40,125 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 179 transitions. [2023-11-26 11:49:40,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-26 11:49:40,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:40,128 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:40,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:49:40,129 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:40,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:40,129 INFO L85 PathProgramCache]: Analyzing trace with hash -21452946, now seen corresponding path program 1 times [2023-11-26 11:49:40,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:40,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716141569] [2023-11-26 11:49:40,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:40,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 11:49:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:49:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:49:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 11:49:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 11:49:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 11:49:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 11:49:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 11:49:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 11:49:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 11:49:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 11:49:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 11:49:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-26 11:49:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-26 11:49:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-26 11:49:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-26 11:49:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-26 11:49:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-26 11:49:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-26 11:49:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-26 11:49:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-26 11:49:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-26 11:49:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:42,388 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-26 11:49:42,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:42,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716141569] [2023-11-26 11:49:42,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716141569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:42,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:42,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:49:42,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387273512] [2023-11-26 11:49:42,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:42,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:49:42,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:42,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:49:42,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:49:42,402 INFO L87 Difference]: Start difference. First operand 115 states and 179 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-26 11:49:42,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:42,587 INFO L93 Difference]: Finished difference Result 192 states and 296 transitions. [2023-11-26 11:49:42,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:49:42,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 136 [2023-11-26 11:49:42,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:42,600 INFO L225 Difference]: With dead ends: 192 [2023-11-26 11:49:42,601 INFO L226 Difference]: Without dead ends: 132 [2023-11-26 11:49:42,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:49:42,607 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 27 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:42,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 337 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:49:42,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-26 11:49:42,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 119. [2023-11-26 11:49:42,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 72 states have (on average 1.3194444444444444) internal successors, (95), 72 states have internal predecessors, (95), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-26 11:49:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 183 transitions. [2023-11-26 11:49:42,634 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 183 transitions. Word has length 136 [2023-11-26 11:49:42,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:42,634 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 183 transitions. [2023-11-26 11:49:42,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-26 11:49:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 183 transitions. [2023-11-26 11:49:42,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-26 11:49:42,638 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:42,638 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:42,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:49:42,639 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:42,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:42,639 INFO L85 PathProgramCache]: Analyzing trace with hash 35805356, now seen corresponding path program 1 times [2023-11-26 11:49:42,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:42,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751433416] [2023-11-26 11:49:42,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:42,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 11:49:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:49:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:49:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 11:49:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 11:49:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 11:49:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 11:49:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 11:49:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 11:49:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 11:49:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 11:49:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 11:49:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-26 11:49:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-26 11:49:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-26 11:49:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-26 11:49:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-26 11:49:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-26 11:49:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-26 11:49:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-26 11:49:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-26 11:49:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:43,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-26 11:49:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-26 11:49:44,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:44,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751433416] [2023-11-26 11:49:44,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751433416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:44,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:44,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:49:44,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656264431] [2023-11-26 11:49:44,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:44,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:49:44,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:44,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:49:44,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:49:44,006 INFO L87 Difference]: Start difference. First operand 119 states and 183 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-26 11:49:44,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:44,088 INFO L93 Difference]: Finished difference Result 211 states and 322 transitions. [2023-11-26 11:49:44,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 11:49:44,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 136 [2023-11-26 11:49:44,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:44,091 INFO L225 Difference]: With dead ends: 211 [2023-11-26 11:49:44,091 INFO L226 Difference]: Without dead ends: 144 [2023-11-26 11:49:44,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:49:44,093 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 28 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:44,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 390 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:49:44,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-26 11:49:44,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 127. [2023-11-26 11:49:44,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 80 states have (on average 1.3375) internal successors, (107), 80 states have internal predecessors, (107), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-26 11:49:44,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 195 transitions. [2023-11-26 11:49:44,118 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 195 transitions. Word has length 136 [2023-11-26 11:49:44,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:44,119 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 195 transitions. [2023-11-26 11:49:44,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-26 11:49:44,119 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 195 transitions. [2023-11-26 11:49:44,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-26 11:49:44,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:44,123 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:44,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:49:44,123 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:44,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:44,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1545176986, now seen corresponding path program 1 times [2023-11-26 11:49:44,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:44,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233956651] [2023-11-26 11:49:44,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:44,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 11:49:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:49:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:49:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 11:49:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 11:49:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 11:49:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 11:49:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 11:49:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 11:49:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 11:49:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 11:49:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 11:49:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-26 11:49:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-26 11:49:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-26 11:49:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-26 11:49:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-26 11:49:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-26 11:49:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-26 11:49:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-26 11:49:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-26 11:49:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-26 11:49:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:44,406 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-26 11:49:44,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:44,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233956651] [2023-11-26 11:49:44,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233956651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:44,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:44,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:49:44,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107030235] [2023-11-26 11:49:44,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:44,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:49:44,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:44,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:49:44,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:49:44,410 INFO L87 Difference]: Start difference. First operand 127 states and 195 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-26 11:49:44,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:44,588 INFO L93 Difference]: Finished difference Result 219 states and 333 transitions. [2023-11-26 11:49:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:49:44,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 139 [2023-11-26 11:49:44,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:44,592 INFO L225 Difference]: With dead ends: 219 [2023-11-26 11:49:44,592 INFO L226 Difference]: Without dead ends: 134 [2023-11-26 11:49:44,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:49:44,594 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 53 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:44,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 254 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:49:44,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-26 11:49:44,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 127. [2023-11-26 11:49:44,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 80 states have (on average 1.3125) internal successors, (105), 80 states have internal predecessors, (105), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-26 11:49:44,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 193 transitions. [2023-11-26 11:49:44,622 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 193 transitions. Word has length 139 [2023-11-26 11:49:44,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:44,623 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 193 transitions. [2023-11-26 11:49:44,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-26 11:49:44,623 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 193 transitions. [2023-11-26 11:49:44,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-26 11:49:44,626 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:44,627 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:44,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:49:44,627 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:44,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:44,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1383454848, now seen corresponding path program 1 times [2023-11-26 11:49:44,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:44,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713934054] [2023-11-26 11:49:44,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:44,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:44,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:44,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:44,907 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:49:44,908 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:49:44,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:49:44,914 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-26 11:49:44,919 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:49:45,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-26 11:49:45,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-26 11:49:45,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-26 11:49:45,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-26 11:49:45,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-26 11:49:45,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated [2023-11-26 11:49:45,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:49:45 BoogieIcfgContainer [2023-11-26 11:49:45,061 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:49:45,061 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:49:45,061 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:49:45,062 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:49:45,062 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:38" (3/4) ... [2023-11-26 11:49:45,064 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:49:45,066 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:49:45,066 INFO L158 Benchmark]: Toolchain (without parser) took 8020.95ms. Allocated memory was 142.6MB in the beginning and 232.8MB in the end (delta: 90.2MB). Free memory was 97.2MB in the beginning and 187.4MB in the end (delta: -90.2MB). Peak memory consumption was 459.4kB. Max. memory is 16.1GB. [2023-11-26 11:49:45,067 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:49:45,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.64ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 84.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:49:45,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.56ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 80.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:49:45,068 INFO L158 Benchmark]: Boogie Preprocessor took 106.14ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 77.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:49:45,068 INFO L158 Benchmark]: RCFGBuilder took 764.95ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 103.3MB in the end (delta: -26.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:49:45,069 INFO L158 Benchmark]: TraceAbstraction took 6650.87ms. Allocated memory was 142.6MB in the beginning and 232.8MB in the end (delta: 90.2MB). Free memory was 102.7MB in the beginning and 187.4MB in the end (delta: -84.7MB). Peak memory consumption was 131.2MB. Max. memory is 16.1GB. [2023-11-26 11:49:45,069 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 232.8MB. Free memory is still 187.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:49:45,071 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.64ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 84.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.56ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 80.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.14ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 77.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 764.95ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 103.3MB in the end (delta: -26.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6650.87ms. Allocated memory was 142.6MB in the beginning and 232.8MB in the end (delta: 90.2MB). Free memory was 102.7MB in the beginning and 187.4MB in the end (delta: -84.7MB). Peak memory consumption was 131.2MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 232.8MB. Free memory is still 187.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short17 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 bitwiseOr at line 110. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 9999; [L23] unsigned char var_1_2 = 1; [L24] signed long int var_1_3 = 4; [L25] signed long int var_1_4 = 2; [L26] signed long int var_1_5 = 0; [L27] signed long int var_1_6 = 999999999; [L28] signed char var_1_7 = -128; [L29] signed char var_1_11 = 16; [L30] signed char var_1_12 = 16; [L31] unsigned short int var_1_13 = 5; [L32] unsigned char var_1_14 = 1; [L33] unsigned short int var_1_15 = 16; [L34] unsigned short int var_1_16 = 32647; [L35] unsigned short int var_1_17 = 128; [L36] signed long int var_1_18 = -8; [L37] unsigned short int last_1_var_1_13 = 5; [L38] signed long int last_1_var_1_18 = -8; [L114] isInitial = 1 [L115] FCALL initially() [L116] COND TRUE 1 [L117] CALL updateLastVariables() [L106] last_1_var_1_13 = var_1_13 [L107] last_1_var_1_18 = var_1_18 [L117] RET updateLastVariables() [L118] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_3=4, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_3=4, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_3=4, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L73] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=4, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=4, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L73] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=4, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L74] var_1_3 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L75] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L76] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L76] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L77] var_1_4 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L78] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L79] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L79] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L80] var_1_5 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_5 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=999999999, var_1_7=-128] [L81] RET assume_abort_if_not(var_1_5 >= 2147483647) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=999999999, var_1_7=-128] [L82] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=999999999, var_1_7=-128] [L82] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=999999999, var_1_7=-128] [L83] var_1_6 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L84] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L85] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L85] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L86] var_1_11 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L87] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L88] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L88] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L89] var_1_12 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L90] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L91] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L91] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L92] var_1_14 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L94] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L94] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L95] var_1_15 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L96] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L97] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L97] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L98] var_1_16 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L99] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L100] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L100] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L101] var_1_17 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L102] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L103] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L103] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L118] RET updateVariables() [L119] CALL step() [L42] signed long int stepLocal_0 = (((-25) < (last_1_var_1_18)) ? (-25) : (last_1_var_1_18)); VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_0=-25, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L43] EXPR last_1_var_1_18 ^ last_1_var_1_13 VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_0=-25, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L43] COND FALSE !(stepLocal_0 != (last_1_var_1_18 ^ last_1_var_1_13)) [L48] var_1_7 = ((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_0=-25, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L50] unsigned char stepLocal_1 = var_1_11 >= var_1_7; VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_0=-25, stepLocal_1=1, var_1_11=-62, var_1_12=-63, var_1_13=5, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L51] COND TRUE stepLocal_1 && var_1_14 [L52] var_1_13 = ((((var_1_15) < (100)) ? (var_1_15) : (100))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_0=-25, stepLocal_1=1, var_1_11=-62, var_1_12=-63, var_1_13=100, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L56] signed char stepLocal_2 = var_1_7; VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_0=-25, stepLocal_1=1, stepLocal_2=-63, var_1_11=-62, var_1_12=-63, var_1_13=100, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L57] COND FALSE !(stepLocal_2 > var_1_16) [L64] var_1_18 = var_1_15 VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_0=-25, stepLocal_1=1, stepLocal_2=-63, var_1_11=-62, var_1_12=-63, var_1_13=100, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=65534, var_1_1=9999, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L66] COND TRUE \read(var_1_2) [L67] var_1_1 = ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_0=-25, stepLocal_1=1, stepLocal_2=-63, var_1_11=-62, var_1_12=-63, var_1_13=100, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=65534, var_1_1=2147483646, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L119] RET step() [L120] CALL, EXPR property() [L110] EXPR (var_1_2 ? (var_1_1 == ((signed long int) ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))))) : 1) && ((((((-25) < (last_1_var_1_18)) ? (-25) : (last_1_var_1_18))) != (last_1_var_1_18 ^ last_1_var_1_13)) ? (var_1_2 ? (var_1_7 == ((signed char) (var_1_11 + var_1_12))) : 1) : (var_1_7 == ((signed char) ((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=100, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=65534, var_1_1=2147483646, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L110] EXPR last_1_var_1_18 ^ last_1_var_1_13 VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=100, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=65534, var_1_1=2147483646, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L110] EXPR (var_1_2 ? (var_1_1 == ((signed long int) ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))))) : 1) && ((((((-25) < (last_1_var_1_18)) ? (-25) : (last_1_var_1_18))) != (last_1_var_1_18 ^ last_1_var_1_13)) ? (var_1_2 ? (var_1_7 == ((signed char) (var_1_11 + var_1_12))) : 1) : (var_1_7 == ((signed char) ((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=100, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=65534, var_1_1=2147483646, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L110-L111] return (((var_1_2 ? (var_1_1 == ((signed long int) ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))))) : 1) && ((((((-25) < (last_1_var_1_18)) ? (-25) : (last_1_var_1_18))) != (last_1_var_1_18 ^ last_1_var_1_13)) ? (var_1_2 ? (var_1_7 == ((signed char) (var_1_11 + var_1_12))) : 1) : (var_1_7 == ((signed char) ((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11))))))) && (((var_1_11 >= var_1_7) && var_1_14) ? (var_1_13 == ((unsigned short int) ((((var_1_15) < (100)) ? (var_1_15) : (100))))) : (var_1_13 == ((unsigned short int) ((var_1_16 - 5) + var_1_17))))) && ((var_1_7 > var_1_16) ? ((var_1_3 < (var_1_5 - var_1_6)) ? (var_1_18 == ((signed long int) ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) : (var_1_18 == ((signed long int) var_1_13))) : (var_1_18 == ((signed long int) var_1_15))) ; [L120] RET, EXPR property() [L120] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=100, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=65534, var_1_1=2147483646, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-62, var_1_12=-63, var_1_13=100, var_1_14=1, var_1_15=65534, var_1_16=32767, var_1_17=0, var_1_18=65534, var_1_1=2147483646, var_1_2=1, var_1_3=2147483646, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 6, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 1322 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 857 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 155 IncrementalHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 465 mSDtfsCounter, 155 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 44 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 822 NumberOfCodeBlocks, 822 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 676 ConstructedInterpolants, 0 QuantifiedInterpolants, 1146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4620/4620 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 [2023-11-26 11:49:45,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/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_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme --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 fe7400f0b0ab4fdd8aedde72286ef8e424ee02ac98a8a7a44d0658bd5103a03f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:47,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:47,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:49:47,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:47,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:48,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:48,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:48,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:48,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:49:48,030 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:49:48,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:49:48,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:49:48,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:48,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:48,036 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:48,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:48,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:49:48,038 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:49:48,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:49:48,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:48,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:49:48,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:49:48,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:49:48,042 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:49:48,042 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:49:48,043 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:49:48,043 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:49:48,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:49:48,044 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:48,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:48,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:48,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:49:48,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:49:48,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:48,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:48,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:49:48,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:49:48,050 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:49:48,051 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:49:48,051 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:49:48,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:49:48,052 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:49:48,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:49:48,052 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:49:48,053 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:49:48,053 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_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe7400f0b0ab4fdd8aedde72286ef8e424ee02ac98a8a7a44d0658bd5103a03f [2023-11-26 11:49:48,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:48,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:48,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:48,534 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:48,534 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:48,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i [2023-11-26 11:49:51,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:49:52,045 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:49:52,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i [2023-11-26 11:49:52,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/data/8d6f18df9/d71a21334ef04d3199d5f1200778c26e/FLAGca89850fc [2023-11-26 11:49:52,071 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/data/8d6f18df9/d71a21334ef04d3199d5f1200778c26e [2023-11-26 11:49:52,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:49:52,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:49:52,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:52,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:49:52,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:49:52,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:52" (1/1) ... [2023-11-26 11:49:52,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692cab69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52, skipping insertion in model container [2023-11-26 11:49:52,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:52" (1/1) ... [2023-11-26 11:49:52,133 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:49:52,333 WARN L240 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_4070411c-aba4-4ed2-ac28-fff25ae4961c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i[916,929] [2023-11-26 11:49:52,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:52,434 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:49:52,450 WARN L240 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_4070411c-aba4-4ed2-ac28-fff25ae4961c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i[916,929] [2023-11-26 11:49:52,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:52,519 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:49:52,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52 WrapperNode [2023-11-26 11:49:52,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:52,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:52,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:49:52,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:49:52,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52" (1/1) ... [2023-11-26 11:49:52,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52" (1/1) ... [2023-11-26 11:49:52,620 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2023-11-26 11:49:52,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:52,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:49:52,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:49:52,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:49:52,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52" (1/1) ... [2023-11-26 11:49:52,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52" (1/1) ... [2023-11-26 11:49:52,656 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52" (1/1) ... [2023-11-26 11:49:52,684 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]. [2023-11-26 11:49:52,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52" (1/1) ... [2023-11-26 11:49:52,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52" (1/1) ... [2023-11-26 11:49:52,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52" (1/1) ... [2023-11-26 11:49:52,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52" (1/1) ... [2023-11-26 11:49:52,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52" (1/1) ... [2023-11-26 11:49:52,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52" (1/1) ... [2023-11-26 11:49:52,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:49:52,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:49:52,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:49:52,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:49:52,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52" (1/1) ... [2023-11-26 11:49:52,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:52,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:49:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:49:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:49:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:49:52,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:49:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:49:52,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:49:52,927 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:49:52,930 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:49:53,221 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:49:53,268 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:49:53,269 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:49:53,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:53 BoogieIcfgContainer [2023-11-26 11:49:53,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:49:53,272 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:49:53,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:49:53,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:49:53,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:49:52" (1/3) ... [2023-11-26 11:49:53,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51be3d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:53, skipping insertion in model container [2023-11-26 11:49:53,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:52" (2/3) ... [2023-11-26 11:49:53,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51be3d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:53, skipping insertion in model container [2023-11-26 11:49:53,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:53" (3/3) ... [2023-11-26 11:49:53,280 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-81.i [2023-11-26 11:49:53,301 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:49:53,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:49:53,354 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:49:53,361 INFO L357 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, mHoare=true, 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;@5eb3f62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:49:53,362 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:49:53,366 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 11:49:53,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-26 11:49:53,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:53,394 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:53,395 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:53,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:53,401 INFO L85 PathProgramCache]: Analyzing trace with hash -507814785, now seen corresponding path program 1 times [2023-11-26 11:49:53,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:49:53,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920685024] [2023-11-26 11:49:53,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:53,416 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 [2023-11-26 11:49:53,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:49:53,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:49:53,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:49:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:49:53,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:49:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2023-11-26 11:49:53,762 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:49:53,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:49:53,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [920685024] [2023-11-26 11:49:53,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [920685024] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:53,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:53,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:49:53,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790102350] [2023-11-26 11:49:53,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:53,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:49:53,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:49:53,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:49:53,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:49:53,819 INFO L87 Difference]: Start difference. First operand has 54 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-26 11:49:53,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:53,869 INFO L93 Difference]: Finished difference Result 105 states and 188 transitions. [2023-11-26 11:49:53,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:49:53,873 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 132 [2023-11-26 11:49:53,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:53,884 INFO L225 Difference]: With dead ends: 105 [2023-11-26 11:49:53,885 INFO L226 Difference]: Without dead ends: 52 [2023-11-26 11:49:53,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:49:53,893 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:53,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:49:53,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-26 11:49:53,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-26 11:49:53,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-26 11:49:53,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 79 transitions. [2023-11-26 11:49:53,956 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 79 transitions. Word has length 132 [2023-11-26 11:49:53,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:53,957 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 79 transitions. [2023-11-26 11:49:53,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-26 11:49:53,958 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2023-11-26 11:49:53,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-26 11:49:53,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:53,964 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:53,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:54,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:49:54,170 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:54,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:54,171 INFO L85 PathProgramCache]: Analyzing trace with hash -189098561, now seen corresponding path program 1 times [2023-11-26 11:49:54,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:49:54,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16411022] [2023-11-26 11:49:54,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:54,173 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 [2023-11-26 11:49:54,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:49:54,174 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:49:54,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:49:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:54,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:49:54,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:49:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-26 11:49:55,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:49:55,424 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:49:55,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16411022] [2023-11-26 11:49:55,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [16411022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:55,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:55,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:49:55,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458932446] [2023-11-26 11:49:55,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:55,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:49:55,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:49:55,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:49:55,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:49:55,430 INFO L87 Difference]: Start difference. First operand 52 states and 79 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-26 11:49:55,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:55,724 INFO L93 Difference]: Finished difference Result 155 states and 236 transitions. [2023-11-26 11:49:55,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:49:55,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 132 [2023-11-26 11:49:55,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:55,730 INFO L225 Difference]: With dead ends: 155 [2023-11-26 11:49:55,730 INFO L226 Difference]: Without dead ends: 104 [2023-11-26 11:49:55,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:49:55,733 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 50 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:55,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 235 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 11:49:55,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-26 11:49:55,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 91. [2023-11-26 11:49:55,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 44 states have internal predecessors, (51), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-26 11:49:55,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 139 transitions. [2023-11-26 11:49:55,771 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 139 transitions. Word has length 132 [2023-11-26 11:49:55,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:55,772 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 139 transitions. [2023-11-26 11:49:55,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-26 11:49:55,773 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 139 transitions. [2023-11-26 11:49:55,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-26 11:49:55,775 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:55,776 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:55,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:55,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:49:55,980 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:55,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:55,981 INFO L85 PathProgramCache]: Analyzing trace with hash -737199260, now seen corresponding path program 1 times [2023-11-26 11:49:55,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:49:55,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352110817] [2023-11-26 11:49:55,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:55,983 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 [2023-11-26 11:49:55,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:49:55,984 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:49:55,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4070411c-aba4-4ed2-ac28-fff25ae4961c/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-26 11:49:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:56,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-26 11:49:56,138 INFO L285 TraceCheckSpWp]: Computing forward predicates...