./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 1e2df7bb4686cf43b019bb668944bf5178fceb27e667592a831264b89495afb9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:06:08,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:06:08,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:06:08,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:06:08,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:06:08,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:06:08,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:06:08,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:06:08,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:06:08,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:06:08,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:06:08,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:06:08,543 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:06:08,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:06:08,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:06:08,544 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:06:08,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:06:08,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:06:08,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:06:08,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:06:08,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:06:08,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:06:08,548 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:06:08,548 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:06:08,549 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:06:08,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:06:08,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:06:08,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:06:08,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:08,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:06:08,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:06:08,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:06:08,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:06:08,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:06:08,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:06:08,554 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:06:08,554 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:06:08,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:06:08,555 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:06:08,555 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_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e2df7bb4686cf43b019bb668944bf5178fceb27e667592a831264b89495afb9 [2023-11-06 22:06:08,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:06:08,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:06:08,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:06:08,973 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:06:08,974 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:06:08,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-94.i [2023-11-06 22:06:12,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:06:12,500 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:06:12,500 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-94.i [2023-11-06 22:06:12,511 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/data/25d7c7dd0/e35e7736a6e54d248422a27aae95f224/FLAGd7c391623 [2023-11-06 22:06:12,526 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/data/25d7c7dd0/e35e7736a6e54d248422a27aae95f224 [2023-11-06 22:06:12,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:06:12,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:06:12,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:12,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:06:12,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:06:12,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:12" (1/1) ... [2023-11-06 22:06:12,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@edcd763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:12, skipping insertion in model container [2023-11-06 22:06:12,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:12" (1/1) ... [2023-11-06 22:06:12,581 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:06:12,734 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_9442bbe4-4b24-415c-a250-b7e6a441a056/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-94.i[915,928] [2023-11-06 22:06:12,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:12,856 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:06:12,876 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_9442bbe4-4b24-415c-a250-b7e6a441a056/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-94.i[915,928] [2023-11-06 22:06:12,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:12,949 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:06:12,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:12 WrapperNode [2023-11-06 22:06:12,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:12,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:12,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:06:12,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:06:12,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:12" (1/1) ... [2023-11-06 22:06:12,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:12" (1/1) ... [2023-11-06 22:06:13,028 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-11-06 22:06:13,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:13,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:06:13,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:06:13,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:06:13,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:12" (1/1) ... [2023-11-06 22:06:13,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:12" (1/1) ... [2023-11-06 22:06:13,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:12" (1/1) ... [2023-11-06 22:06:13,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:12" (1/1) ... [2023-11-06 22:06:13,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:12" (1/1) ... [2023-11-06 22:06:13,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:12" (1/1) ... [2023-11-06 22:06:13,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:12" (1/1) ... [2023-11-06 22:06:13,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:12" (1/1) ... [2023-11-06 22:06:13,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:06:13,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:06:13,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:06:13,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:06:13,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:12" (1/1) ... [2023-11-06 22:06:13,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:13,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:13,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:13,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:06:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:06:13,172 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:06:13,172 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:06:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:06:13,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:06:13,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:06:13,326 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:06:13,330 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:06:13,856 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:06:13,864 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:06:13,865 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:06:13,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:13 BoogieIcfgContainer [2023-11-06 22:06:13,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:06:13,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:06:13,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:06:13,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:06:13,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:06:12" (1/3) ... [2023-11-06 22:06:13,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6804d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:13, skipping insertion in model container [2023-11-06 22:06:13,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:12" (2/3) ... [2023-11-06 22:06:13,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6804d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:13, skipping insertion in model container [2023-11-06 22:06:13,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:13" (3/3) ... [2023-11-06 22:06:13,877 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-94.i [2023-11-06 22:06:13,899 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:06:13,899 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:06:13,967 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:06:13,975 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=LoopsAndPotentialCycles, 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;@6432dee7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:06:13,975 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:06:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 46 states have internal predecessors, (60), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-06 22:06:13,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-06 22:06:13,998 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:13,999 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:14,000 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:14,005 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:14,006 INFO L85 PathProgramCache]: Analyzing trace with hash 2017726835, now seen corresponding path program 1 times [2023-11-06 22:06:14,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:14,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757388169] [2023-11-06 22:06:14,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:14,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:14,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757388169] [2023-11-06 22:06:14,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:06:14,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081537419] [2023-11-06 22:06:14,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:14,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:14,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:14,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:14,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:06:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:14,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:06:14,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:14,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2023-11-06 22:06:14,806 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:14,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081537419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:14,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:14,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:14,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67461221] [2023-11-06 22:06:14,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:14,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:06:14,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:14,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:06:14,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:06:14,877 INFO L87 Difference]: Start difference. First operand has 75 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 46 states have internal predecessors, (60), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-06 22:06:14,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:14,951 INFO L93 Difference]: Finished difference Result 143 states and 249 transitions. [2023-11-06 22:06:14,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:06:14,954 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 170 [2023-11-06 22:06:14,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:14,966 INFO L225 Difference]: With dead ends: 143 [2023-11-06 22:06:14,966 INFO L226 Difference]: Without dead ends: 71 [2023-11-06 22:06:14,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:06:14,978 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:14,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:15,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-06 22:06:15,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-06 22:06:15,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 42 states have internal predecessors, (53), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-06 22:06:15,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 107 transitions. [2023-11-06 22:06:15,059 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 107 transitions. Word has length 170 [2023-11-06 22:06:15,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:15,061 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 107 transitions. [2023-11-06 22:06:15,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-06 22:06:15,061 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 107 transitions. [2023-11-06 22:06:15,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-06 22:06:15,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:15,074 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:15,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:15,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:06:15,282 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:15,283 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:15,299 INFO L85 PathProgramCache]: Analyzing trace with hash 583680129, now seen corresponding path program 1 times [2023-11-06 22:06:15,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:15,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56188001] [2023-11-06 22:06:15,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:15,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:15,447 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:15,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1880434049] [2023-11-06 22:06:15,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:15,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:15,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:15,451 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:15,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:06:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:15,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:06:15,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-06 22:06:16,047 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:16,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:16,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56188001] [2023-11-06 22:06:16,048 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:16,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880434049] [2023-11-06 22:06:16,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880434049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:16,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:16,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:16,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945684786] [2023-11-06 22:06:16,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:16,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:06:16,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:16,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:06:16,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:06:16,053 INFO L87 Difference]: Start difference. First operand 71 states and 107 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:06:16,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:16,247 INFO L93 Difference]: Finished difference Result 216 states and 325 transitions. [2023-11-06 22:06:16,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:06:16,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2023-11-06 22:06:16,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:16,252 INFO L225 Difference]: With dead ends: 216 [2023-11-06 22:06:16,253 INFO L226 Difference]: Without dead ends: 148 [2023-11-06 22:06:16,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:16,261 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 85 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:16,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 295 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:06:16,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-06 22:06:16,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 139. [2023-11-06 22:06:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 82 states have (on average 1.2439024390243902) internal successors, (102), 82 states have internal predecessors, (102), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-06 22:06:16,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 210 transitions. [2023-11-06 22:06:16,296 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 210 transitions. Word has length 170 [2023-11-06 22:06:16,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:16,298 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 210 transitions. [2023-11-06 22:06:16,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:06:16,298 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 210 transitions. [2023-11-06 22:06:16,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-06 22:06:16,301 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:16,302 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:16,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:16,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:16,508 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:16,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:16,509 INFO L85 PathProgramCache]: Analyzing trace with hash -694336507, now seen corresponding path program 1 times [2023-11-06 22:06:16,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:16,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094498023] [2023-11-06 22:06:16,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:16,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:16,562 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:16,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [47289781] [2023-11-06 22:06:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:16,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:16,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:16,564 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:16,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:06:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:16,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:06:16,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:17,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-06 22:06:17,039 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:17,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:17,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094498023] [2023-11-06 22:06:17,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:17,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47289781] [2023-11-06 22:06:17,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47289781] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:17,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:17,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:17,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049467756] [2023-11-06 22:06:17,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:17,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:17,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:17,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:17,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:17,044 INFO L87 Difference]: Start difference. First operand 139 states and 210 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:06:17,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:17,106 INFO L93 Difference]: Finished difference Result 411 states and 624 transitions. [2023-11-06 22:06:17,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:17,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2023-11-06 22:06:17,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:17,112 INFO L225 Difference]: With dead ends: 411 [2023-11-06 22:06:17,112 INFO L226 Difference]: Without dead ends: 275 [2023-11-06 22:06:17,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:17,115 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 20 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:17,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 211 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:17,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2023-11-06 22:06:17,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 271. [2023-11-06 22:06:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 158 states have (on average 1.2151898734177216) internal successors, (192), 158 states have internal predecessors, (192), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-06 22:06:17,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 408 transitions. [2023-11-06 22:06:17,173 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 408 transitions. Word has length 170 [2023-11-06 22:06:17,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:17,175 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 408 transitions. [2023-11-06 22:06:17,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:06:17,179 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 408 transitions. [2023-11-06 22:06:17,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:06:17,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:17,185 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:17,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:17,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:17,392 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:17,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:17,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1229193806, now seen corresponding path program 1 times [2023-11-06 22:06:17,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:17,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230806122] [2023-11-06 22:06:17,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:17,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:17,436 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:17,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [667963279] [2023-11-06 22:06:17,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:17,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:17,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:17,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:17,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:06:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:17,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:06:17,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:17,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-06 22:06:17,959 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:06:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-06 22:06:18,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:18,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230806122] [2023-11-06 22:06:18,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:06:18,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667963279] [2023-11-06 22:06:18,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667963279] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:06:18,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:06:18,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-06 22:06:18,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548871441] [2023-11-06 22:06:18,336 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:06:18,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:06:18,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:18,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:06:18,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:06:18,339 INFO L87 Difference]: Start difference. First operand 271 states and 408 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-06 22:06:19,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:19,233 INFO L93 Difference]: Finished difference Result 859 states and 1267 transitions. [2023-11-06 22:06:19,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-06 22:06:19,234 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 171 [2023-11-06 22:06:19,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:19,242 INFO L225 Difference]: With dead ends: 859 [2023-11-06 22:06:19,242 INFO L226 Difference]: Without dead ends: 591 [2023-11-06 22:06:19,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 334 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:06:19,246 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 280 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:19,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 287 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:06:19,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2023-11-06 22:06:19,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 287. [2023-11-06 22:06:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 170 states have (on average 1.1764705882352942) internal successors, (200), 170 states have internal predecessors, (200), 108 states have call successors, (108), 8 states have call predecessors, (108), 8 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-06 22:06:19,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 416 transitions. [2023-11-06 22:06:19,362 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 416 transitions. Word has length 171 [2023-11-06 22:06:19,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:19,365 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 416 transitions. [2023-11-06 22:06:19,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-06 22:06:19,366 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 416 transitions. [2023-11-06 22:06:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:06:19,370 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:19,370 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:19,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-06 22:06:19,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:19,577 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:19,578 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:19,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1815999820, now seen corresponding path program 1 times [2023-11-06 22:06:19,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:19,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031932349] [2023-11-06 22:06:19,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:19,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:19,655 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:06:19,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [692052102] [2023-11-06 22:06:19,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:19,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:19,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:19,657 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:06:19,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:06:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:19,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:06:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:06:20,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:06:20,138 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:06:20,139 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:06:20,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:20,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:06:20,369 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 22:06:20,374 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:06:20,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:06:20 BoogieIcfgContainer [2023-11-06 22:06:20,532 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:06:20,532 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:06:20,533 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:06:20,533 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:06:20,533 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:13" (3/4) ... [2023-11-06 22:06:20,535 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:06:20,537 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:06:20,537 INFO L158 Benchmark]: Toolchain (without parser) took 8006.69ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 139.4MB in the beginning and 113.4MB in the end (delta: 25.9MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2023-11-06 22:06:20,538 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 90.9MB in the end (delta: 74.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:06:20,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.06ms. Allocated memory is still 169.9MB. Free memory was 138.8MB in the beginning and 124.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:06:20,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.85ms. Allocated memory is still 169.9MB. Free memory was 124.2MB in the beginning and 120.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:06:20,539 INFO L158 Benchmark]: Boogie Preprocessor took 48.38ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 118.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:06:20,539 INFO L158 Benchmark]: RCFGBuilder took 788.71ms. Allocated memory is still 169.9MB. Free memory was 118.0MB in the beginning and 121.1MB in the end (delta: -3.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:06:20,540 INFO L158 Benchmark]: TraceAbstraction took 6662.03ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 120.4MB in the beginning and 113.4MB in the end (delta: 6.9MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2023-11-06 22:06:20,540 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 205.5MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:06:20,542 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 90.9MB in the end (delta: 74.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.06ms. Allocated memory is still 169.9MB. Free memory was 138.8MB in the beginning and 124.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.85ms. Allocated memory is still 169.9MB. Free memory was 124.2MB in the beginning and 120.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.38ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 118.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 788.71ms. Allocated memory is still 169.9MB. Free memory was 118.0MB in the beginning and 121.1MB in the end (delta: -3.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6662.03ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 120.4MB in the beginning and 113.4MB in the end (delta: 6.9MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 205.5MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 138, overapproximation of shiftLeft at line 138, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed char var_1_3 = 1; [L24] unsigned char var_1_6 = 1; [L25] unsigned char var_1_7 = 0; [L26] signed long int var_1_8 = 50; [L27] double var_1_9 = 32.7; [L28] double var_1_10 = 64.25; [L29] double var_1_11 = 10.3; [L30] double var_1_12 = 3.3; [L31] double var_1_13 = 16.5; [L32] double var_1_14 = 7.125; [L33] unsigned short int var_1_15 = 50; [L34] unsigned short int var_1_16 = 16; [L35] unsigned short int var_1_17 = 8; [L36] unsigned short int var_1_18 = 64; [L37] unsigned long int var_1_19 = 16; [L38] signed short int var_1_20 = 100; [L39] signed short int var_1_21 = 2; [L40] signed short int var_1_22 = 8; [L41] signed long int var_1_23 = -4; [L42] unsigned short int var_1_24 = 128; [L43] signed long int var_1_25 = 2; [L44] unsigned short int var_1_26 = 256; [L45] unsigned char var_1_27 = 0; [L46] signed long int last_1_var_1_8 = 50; [L47] unsigned long int last_1_var_1_19 = 16; [L48] unsigned char last_1_var_1_27 = 0; VAL [isInitial=0, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L142] isInitial = 1 [L143] FCALL initially() [L144] COND TRUE 1 [L145] CALL updateLastVariables() [L133] last_1_var_1_8 = var_1_8 [L134] last_1_var_1_19 = var_1_19 [L135] last_1_var_1_27 = var_1_27 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L145] RET updateLastVariables() [L146] CALL updateVariables() [L89] var_1_3 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L90] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L91] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L91] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L92] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L92] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L93] var_1_6 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L94] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L95] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L95] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L96] var_1_7 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L97] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L98] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L98] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=257/4, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L99] var_1_10 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L100] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=103/10, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L101] var_1_11 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L102] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=33/10, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L103] var_1_12 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L104] RET assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=33/2, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L105] var_1_13 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L106] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=57/8, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L107] var_1_14 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L108] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 2305843.009213691390e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=16, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L109] var_1_16 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L110] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L111] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L111] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=8, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L112] var_1_17 = __VERIFIER_nondet_ushort() [L113] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L113] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L114] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L114] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=64, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L115] var_1_18 = __VERIFIER_nondet_ushort() [L116] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L116] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L117] CALL assume_abort_if_not(var_1_18 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L117] RET assume_abort_if_not(var_1_18 <= 65534) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=100, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L118] var_1_20 = __VERIFIER_nondet_short() [L119] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L119] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L120] CALL assume_abort_if_not(var_1_20 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L120] RET assume_abort_if_not(var_1_20 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=2, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L121] var_1_21 = __VERIFIER_nondet_short() [L122] CALL assume_abort_if_not(var_1_21 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L122] RET assume_abort_if_not(var_1_21 >= -1) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L123] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L123] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=8, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L124] var_1_22 = __VERIFIER_nondet_short() [L125] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L125] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L126] CALL assume_abort_if_not(var_1_22 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L126] RET assume_abort_if_not(var_1_22 <= 32767) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=128, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L127] var_1_24 = __VERIFIER_nondet_ushort() [L128] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L128] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L129] CALL assume_abort_if_not(var_1_24 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L129] RET assume_abort_if_not(var_1_24 <= 65535) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L130] CALL assume_abort_if_not(var_1_24 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L130] RET assume_abort_if_not(var_1_24 != 0) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L146] RET updateVariables() [L147] CALL step() [L52] EXPR -1 << last_1_var_1_19 VAL [-1 << last_1_var_1_19=0, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L52] signed long int stepLocal_1 = -1 << last_1_var_1_19; [L53] unsigned long int stepLocal_0 = -1000000000 + last_1_var_1_19; VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L54] COND TRUE stepLocal_1 < var_1_3 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=1, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L55] COND FALSE !((last_1_var_1_19 / var_1_3) > stepLocal_0) [L58] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50, var_1_9=327/10] [L61] var_1_9 = (((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))) + (var_1_12 + (var_1_13 - var_1_14))) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=50, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L62] COND TRUE var_1_10 >= var_1_11 [L63] var_1_15 = ((((((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) > (var_1_18)) ? (((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) : (var_1_18))) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=2, var_1_26=256, var_1_27=0, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L65] var_1_25 = -256 [L66] var_1_26 = var_1_17 [L67] var_1_27 = var_1_6 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=-256, var_1_26=65534, var_1_27=1, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L68] COND FALSE !(var_1_7 || var_1_1) [L79] var_1_8 = last_1_var_1_8 VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=-4, var_1_24=32717, var_1_25=-256, var_1_26=65534, var_1_27=1, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L81] COND TRUE var_1_6 || (var_1_16 <= (var_1_22 / var_1_24)) [L82] var_1_23 = (((((var_1_8 + (var_1_21 + var_1_24))) < (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((var_1_8 + (var_1_21 + var_1_24))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=65534, var_1_27=1, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L84] COND FALSE !((((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))) - var_1_22) >= var_1_23) VAL [isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, stepLocal_0=3294967312, stepLocal_1=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=65534, var_1_27=1, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L147] RET step() [L148] CALL, EXPR property() [L138] EXPR -1 << last_1_var_1_19 VAL [-1 << last_1_var_1_19=0, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=65534, var_1_27=1, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L138-L139] return ((((((((((-1 << last_1_var_1_19) < var_1_3) ? (((last_1_var_1_19 / var_1_3) > (-1000000000 + last_1_var_1_19)) ? (var_1_1 == ((unsigned char) (last_1_var_1_27 || var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) : 1) && ((var_1_7 || var_1_1) ? (((var_1_26 >= var_1_3) && var_1_1) ? (var_1_8 == ((signed long int) ((((var_1_3) < (var_1_26)) ? (var_1_3) : (var_1_26))))) : (var_1_1 ? (var_1_8 == ((signed long int) last_1_var_1_8)) : (var_1_8 == ((signed long int) last_1_var_1_8)))) : (var_1_8 == ((signed long int) last_1_var_1_8)))) && (var_1_9 == ((double) (((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))) + (var_1_12 + (var_1_13 - var_1_14)))))) && ((var_1_10 >= var_1_11) ? (var_1_15 == ((unsigned short int) ((((((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) > (var_1_18)) ? (((((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) > (var_1_17)) ? (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16)))) : (var_1_17)))) : (var_1_18))))) : 1)) && (((((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))) - var_1_22) >= var_1_23) ? (var_1_19 == ((unsigned long int) ((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_6 || (var_1_16 <= (var_1_22 / var_1_24))) ? (var_1_23 == ((signed long int) (((((var_1_8 + (var_1_21 + var_1_24))) < (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) ? ((var_1_8 + (var_1_21 + var_1_24))) : (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))))))) : 1)) && (var_1_25 == ((signed long int) -256))) && (var_1_26 == ((unsigned short int) var_1_17))) && (var_1_27 == ((unsigned char) var_1_6)) ; [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=65534, var_1_27=1, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=16, last_1_var_1_27=0, last_1_var_1_8=50, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=5, var_1_14=6, var_1_15=65534, var_1_16=65534, var_1_17=65534, var_1_18=65534, var_1_19=16, var_1_1=0, var_1_20=32767, var_1_21=32767, var_1_22=1, var_1_23=65534, var_1_24=32717, var_1_25=-256, var_1_26=65534, var_1_27=1, var_1_3=1, var_1_6=1, var_1_7=0, var_1_8=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 5, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 390 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 385 mSDsluCounter, 900 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 495 mSDsCounter, 268 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 304 IncrementalHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 268 mSolverCounterUnsat, 405 mSDtfsCounter, 304 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 866 GetRequests, 838 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 317 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1022 NumberOfCodeBlocks, 1022 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 847 ConstructedInterpolants, 0 QuantifiedInterpolants, 2237 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1647 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 6882/7020 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 [2023-11-06 22:06:20,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 1e2df7bb4686cf43b019bb668944bf5178fceb27e667592a831264b89495afb9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:06:23,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:06:23,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:06:23,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:06:23,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:06:23,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:06:23,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:06:23,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:06:23,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:06:23,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:06:23,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:06:23,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:06:23,760 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:06:23,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:06:23,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:06:23,764 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:06:23,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:06:23,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:06:23,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:06:23,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:06:23,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:06:23,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:06:23,770 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:06:23,770 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:06:23,771 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:06:23,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:06:23,772 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:06:23,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:06:23,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:06:23,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:06:23,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:23,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:06:23,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:06:23,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:06:23,777 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:06:23,777 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:06:23,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:06:23,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:06:23,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:06:23,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:06:23,780 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:06:23,781 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:06:23,781 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_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e2df7bb4686cf43b019bb668944bf5178fceb27e667592a831264b89495afb9 [2023-11-06 22:06:24,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:06:24,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:06:24,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:06:24,328 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:06:24,329 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:06:24,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-94.i [2023-11-06 22:06:27,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:06:28,247 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:06:28,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-94.i [2023-11-06 22:06:28,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/data/ecb5098e2/5e142d060fed4b66bb66eff5b1b9d8d8/FLAGe49e99cae [2023-11-06 22:06:28,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/data/ecb5098e2/5e142d060fed4b66bb66eff5b1b9d8d8 [2023-11-06 22:06:28,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:06:28,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:06:28,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:28,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:06:28,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:06:28,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:28" (1/1) ... [2023-11-06 22:06:28,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69658fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:28, skipping insertion in model container [2023-11-06 22:06:28,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:28" (1/1) ... [2023-11-06 22:06:28,375 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:06:28,563 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_9442bbe4-4b24-415c-a250-b7e6a441a056/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-94.i[915,928] [2023-11-06 22:06:28,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:28,725 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:06:28,744 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_9442bbe4-4b24-415c-a250-b7e6a441a056/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-94.i[915,928] [2023-11-06 22:06:28,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:28,834 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:06:28,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:28 WrapperNode [2023-11-06 22:06:28,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:28,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:28,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:06:28,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:06:28,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:28" (1/1) ... [2023-11-06 22:06:28,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:28" (1/1) ... [2023-11-06 22:06:28,943 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2023-11-06 22:06:28,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:28,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:06:28,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:06:28,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:06:28,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:28" (1/1) ... [2023-11-06 22:06:28,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:28" (1/1) ... [2023-11-06 22:06:28,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:28" (1/1) ... [2023-11-06 22:06:28,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:28" (1/1) ... [2023-11-06 22:06:29,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:28" (1/1) ... [2023-11-06 22:06:29,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:28" (1/1) ... [2023-11-06 22:06:29,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:28" (1/1) ... [2023-11-06 22:06:29,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:28" (1/1) ... [2023-11-06 22:06:29,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:06:29,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:06:29,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:06:29,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:06:29,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:28" (1/1) ... [2023-11-06 22:06:29,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:29,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:29,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:29,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:06:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:06:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:06:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:06:29,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:06:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:06:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:06:29,366 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:06:29,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:06:34,029 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:06:34,039 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:06:34,039 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:06:34,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:34 BoogieIcfgContainer [2023-11-06 22:06:34,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:06:34,046 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:06:34,046 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:06:34,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:06:34,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:06:28" (1/3) ... [2023-11-06 22:06:34,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cfb664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:34, skipping insertion in model container [2023-11-06 22:06:34,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:28" (2/3) ... [2023-11-06 22:06:34,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cfb664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:34, skipping insertion in model container [2023-11-06 22:06:34,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:34" (3/3) ... [2023-11-06 22:06:34,055 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-94.i [2023-11-06 22:06:34,081 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:06:34,082 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:06:34,149 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:06:34,157 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=LoopsAndPotentialCycles, 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;@c7d1107, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:06:34,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:06:34,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 42 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-06 22:06:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 22:06:34,187 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:34,189 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:34,193 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:34,203 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:34,204 INFO L85 PathProgramCache]: Analyzing trace with hash -11235031, now seen corresponding path program 1 times [2023-11-06 22:06:34,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:06:34,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249460383] [2023-11-06 22:06:34,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:34,219 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 [2023-11-06 22:06:34,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:06:34,225 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:06:34,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:06:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:06:35,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-11-06 22:06:35,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:35,105 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:06:35,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249460383] [2023-11-06 22:06:35,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249460383] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:35,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:35,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:35,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684466597] [2023-11-06 22:06:35,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:35,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:06:35,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:06:35,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:06:35,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:06:35,155 INFO L87 Difference]: Start difference. First operand has 71 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 42 states have internal predecessors, (54), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-06 22:06:35,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:35,201 INFO L93 Difference]: Finished difference Result 135 states and 237 transitions. [2023-11-06 22:06:35,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:06:35,203 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 166 [2023-11-06 22:06:35,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:35,215 INFO L225 Difference]: With dead ends: 135 [2023-11-06 22:06:35,215 INFO L226 Difference]: Without dead ends: 67 [2023-11-06 22:06:35,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:06:35,225 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:35,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:06:35,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-06 22:06:35,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-06 22:06:35,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-06 22:06:35,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 101 transitions. [2023-11-06 22:06:35,297 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 101 transitions. Word has length 166 [2023-11-06 22:06:35,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:35,298 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 101 transitions. [2023-11-06 22:06:35,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-06 22:06:35,299 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2023-11-06 22:06:35,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 22:06:35,304 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:35,305 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:35,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-06 22:06:35,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:06:35,512 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:35,513 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:35,513 INFO L85 PathProgramCache]: Analyzing trace with hash -914852041, now seen corresponding path program 1 times [2023-11-06 22:06:35,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:06:35,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988102091] [2023-11-06 22:06:35,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:35,515 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 [2023-11-06 22:06:35,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:06:35,517 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:06:35,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:06:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:36,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:06:36,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:37,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-06 22:06:37,310 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:06:37,310 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:06:37,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1988102091] [2023-11-06 22:06:37,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1988102091] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:37,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:37,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:06:37,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063393364] [2023-11-06 22:06:37,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:37,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:06:37,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:06:37,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:06:37,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:06:37,332 INFO L87 Difference]: Start difference. First operand 67 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:06:40,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:42,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:45,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:45,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:45,379 INFO L93 Difference]: Finished difference Result 202 states and 304 transitions. [2023-11-06 22:06:45,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:06:45,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 166 [2023-11-06 22:06:45,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:45,425 INFO L225 Difference]: With dead ends: 202 [2023-11-06 22:06:45,425 INFO L226 Difference]: Without dead ends: 138 [2023-11-06 22:06:45,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:06:45,429 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 85 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 55 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:45,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 389 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2023-11-06 22:06:45,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-06 22:06:45,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 129. [2023-11-06 22:06:45,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 72 states have internal predecessors, (89), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-06 22:06:45,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 197 transitions. [2023-11-06 22:06:45,521 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 197 transitions. Word has length 166 [2023-11-06 22:06:45,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:45,525 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 197 transitions. [2023-11-06 22:06:45,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-06 22:06:45,526 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 197 transitions. [2023-11-06 22:06:45,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-06 22:06:45,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:45,538 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:45,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:06:45,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:06:45,744 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:45,745 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:45,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1950862965, now seen corresponding path program 1 times [2023-11-06 22:06:45,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:06:45,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [937463448] [2023-11-06 22:06:45,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:45,748 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 [2023-11-06 22:06:45,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:06:45,750 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:06:45,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:06:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:46,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:06:46,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:06:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-06 22:06:47,253 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:06:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-06 22:06:47,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:06:47,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [937463448] [2023-11-06 22:06:47,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [937463448] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:06:47,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:06:47,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-06 22:06:47,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992439772] [2023-11-06 22:06:47,853 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:06:47,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:06:47,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:06:47,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:06:47,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:06:47,857 INFO L87 Difference]: Start difference. First operand 129 states and 197 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-06 22:06:51,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:53,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:55,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:56,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:58,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:58,499 INFO L93 Difference]: Finished difference Result 537 states and 799 transitions. [2023-11-06 22:06:58,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-06 22:06:58,500 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 167 [2023-11-06 22:06:58,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:58,513 INFO L225 Difference]: With dead ends: 537 [2023-11-06 22:06:58,514 INFO L226 Difference]: Without dead ends: 411 [2023-11-06 22:06:58,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 326 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:06:58,519 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 175 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 152 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:58,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 299 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 301 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2023-11-06 22:06:58,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2023-11-06 22:06:58,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 210. [2023-11-06 22:06:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 122 states have internal predecessors, (145), 81 states have call successors, (81), 6 states have call predecessors, (81), 6 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-06 22:06:58,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 307 transitions. [2023-11-06 22:06:58,648 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 307 transitions. Word has length 167 [2023-11-06 22:06:58,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:58,653 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 307 transitions. [2023-11-06 22:06:58,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-06 22:06:58,654 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 307 transitions. [2023-11-06 22:06:58,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-06 22:06:58,659 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:58,659 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:58,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:06:58,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:06:58,881 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:58,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:58,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1249798387, now seen corresponding path program 1 times [2023-11-06 22:06:58,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:06:58,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872642535] [2023-11-06 22:06:58,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:58,884 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 [2023-11-06 22:06:58,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:06:58,885 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:06:58,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9442bbe4-4b24-415c-a250-b7e6a441a056/bin/uautomizer-verify-WvqO1wxjHP/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 (5)] Waiting until timeout for monitored process [2023-11-06 22:06:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-06 22:06:59,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:10:02,969 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse8)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode .cse5))) (and (or (and (fp.geq c_~var_1_11~0 .cse0) (fp.leq c_~var_1_11~0 .cse1)) (and (fp.leq c_~var_1_11~0 .cse2) (fp.geq c_~var_1_11~0 .cse3))) (bvsle ((_ zero_extend 24) c_~var_1_7~0) (_ bv0 32)) (= c_~var_1_7~0 c_~var_1_1~0) (or (and (fp.geq c_~var_1_12~0 .cse3) (fp.leq c_~var_1_12~0 .cse4)) (and (fp.geq c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse5))) (fp.leq c_~var_1_12~0 .cse1))) (fp.geq c_~var_1_14~0 .cse3) (let ((.cse7 (fp.lt c_~var_1_10~0 c_~var_1_11~0)) (.cse6 (fp.add c_currentRoundingMode c_~var_1_12~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0)))) (or (and (= c_~var_1_9~0 (fp.add c_currentRoundingMode c_~var_1_10~0 .cse6)) .cse7) (and (not .cse7) (= c_~var_1_9~0 (fp.add c_currentRoundingMode c_~var_1_11~0 .cse6))))) (or (and (fp.geq c_~var_1_10~0 .cse0) (fp.leq c_~var_1_10~0 .cse1)) (and (fp.geq c_~var_1_10~0 .cse3) (fp.leq c_~var_1_10~0 .cse2))) (fp.geq c_~var_1_13~0 .cse3) (not (= ((_ sign_extend 24) c_~var_1_3~0) (_ bv0 32))) (fp.leq c_~var_1_13~0 .cse4) (fp.leq c_~var_1_14~0 .cse4) (= (_ bv16 32) c_~last_1_var_1_19~0) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false