./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a1c664dccb2fd20712875143d7c0791ea927630b38961ab634617ccb1638f52 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:17:54,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:17:54,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:17:54,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:17:54,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:17:54,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:17:54,941 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:17:54,942 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:17:54,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:17:54,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:17:54,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:17:54,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:17:54,952 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:17:54,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:17:54,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:17:54,955 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:17:54,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:17:54,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:17:54,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:17:54,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:17:54,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:17:54,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:17:54,958 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:17:54,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:17:54,959 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:17:54,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:17:54,961 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:17:54,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:17:54,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:17:54,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:17:54,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:17:54,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:17:54,964 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:17:54,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:17:54,965 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:17:54,965 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:17:54,966 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:17:54,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:17:54,966 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:17:54,967 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_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a1c664dccb2fd20712875143d7c0791ea927630b38961ab634617ccb1638f52 [2023-11-12 02:17:55,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:17:55,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:17:55,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:17:55,289 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:17:55,289 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:17:55,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i [2023-11-12 02:17:58,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:17:58,969 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:17:58,971 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i [2023-11-12 02:17:58,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/data/437da7582/d3e51dd88cc54c59890badd10183852e/FLAGaf7288c1a [2023-11-12 02:17:59,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/data/437da7582/d3e51dd88cc54c59890badd10183852e [2023-11-12 02:17:59,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:17:59,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:17:59,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:59,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:17:59,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:17:59,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:59" (1/1) ... [2023-11-12 02:17:59,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63450c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:59, skipping insertion in model container [2023-11-12 02:17:59,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:59" (1/1) ... [2023-11-12 02:17:59,105 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:17:59,326 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_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i[915,928] [2023-11-12 02:17:59,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:59,466 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:17:59,490 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_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i[915,928] [2023-11-12 02:17:59,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:59,591 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:17:59,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:59 WrapperNode [2023-11-12 02:17:59,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:59,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:17:59,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:17:59,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:17:59,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:59" (1/1) ... [2023-11-12 02:17:59,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:59" (1/1) ... [2023-11-12 02:17:59,684 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2023-11-12 02:17:59,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:17:59,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:17:59,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:17:59,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:17:59,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:59" (1/1) ... [2023-11-12 02:17:59,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:59" (1/1) ... [2023-11-12 02:17:59,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:59" (1/1) ... [2023-11-12 02:17:59,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:59" (1/1) ... [2023-11-12 02:17:59,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:59" (1/1) ... [2023-11-12 02:17:59,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:59" (1/1) ... [2023-11-12 02:17:59,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:59" (1/1) ... [2023-11-12 02:17:59,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:59" (1/1) ... [2023-11-12 02:17:59,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:17:59,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:17:59,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:17:59,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:17:59,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:59" (1/1) ... [2023-11-12 02:17:59,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:17:59,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:17:59,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:17:59,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:17:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:17:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:17:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:17:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:17:59,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:17:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:18:00,059 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:18:00,062 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:18:00,581 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:18:00,590 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:18:00,593 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:18:00,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:00 BoogieIcfgContainer [2023-11-12 02:18:00,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:18:00,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:18:00,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:18:00,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:18:00,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:17:59" (1/3) ... [2023-11-12 02:18:00,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eed1039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:18:00, skipping insertion in model container [2023-11-12 02:18:00,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:59" (2/3) ... [2023-11-12 02:18:00,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eed1039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:18:00, skipping insertion in model container [2023-11-12 02:18:00,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:00" (3/3) ... [2023-11-12 02:18:00,611 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-54.i [2023-11-12 02:18:00,647 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:18:00,647 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:18:00,703 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:18:00,712 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@19da435, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:18:00,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:18:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-12 02:18:00,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 02:18:00,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:00,738 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:00,738 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:00,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:00,745 INFO L85 PathProgramCache]: Analyzing trace with hash -375115907, now seen corresponding path program 1 times [2023-11-12 02:18:00,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:00,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542072553] [2023-11-12 02:18:00,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:00,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:00,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:00,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542072553] [2023-11-12 02:18:00,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:18:01,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046564493] [2023-11-12 02:18:01,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:01,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:18:01,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:01,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:18:01,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:18:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:01,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:18:01,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:01,286 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-11-12 02:18:01,286 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:18:01,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046564493] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:01,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:01,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:18:01,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976638340] [2023-11-12 02:18:01,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:01,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:18:01,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:01,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:18:01,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:18:01,334 INFO L87 Difference]: Start difference. First operand has 63 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-12 02:18:01,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:01,371 INFO L93 Difference]: Finished difference Result 119 states and 203 transitions. [2023-11-12 02:18:01,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:18:01,373 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2023-11-12 02:18:01,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:18:01,383 INFO L225 Difference]: With dead ends: 119 [2023-11-12 02:18:01,383 INFO L226 Difference]: Without dead ends: 59 [2023-11-12 02:18:01,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:18:01,392 INFO L413 NwaCegarLoop]: 87 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, 87 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 [2023-11-12 02:18:01,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:18:01,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-12 02:18:01,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-12 02:18:01,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-12 02:18:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2023-11-12 02:18:01,450 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 135 [2023-11-12 02:18:01,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:18:01,451 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2023-11-12 02:18:01,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-12 02:18:01,452 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2023-11-12 02:18:01,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 02:18:01,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:01,466 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:01,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 02:18:01,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:18:01,672 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:01,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:01,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1311846725, now seen corresponding path program 1 times [2023-11-12 02:18:01,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:01,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535818886] [2023-11-12 02:18:01,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:01,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:01,759 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:18:01,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90926976] [2023-11-12 02:18:01,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:01,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:18:01,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:01,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:18:01,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:18:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:02,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:18:02,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-12 02:18:02,318 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:18:02,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:18:02,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535818886] [2023-11-12 02:18:02,319 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:18:02,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90926976] [2023-11-12 02:18:02,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90926976] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:02,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:02,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:18:02,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962813547] [2023-11-12 02:18:02,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:02,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:18:02,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:18:02,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:18:02,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:18:02,324 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-12 02:18:02,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:02,459 INFO L93 Difference]: Finished difference Result 172 states and 256 transitions. [2023-11-12 02:18:02,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:18:02,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 135 [2023-11-12 02:18:02,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:18:02,464 INFO L225 Difference]: With dead ends: 172 [2023-11-12 02:18:02,464 INFO L226 Difference]: Without dead ends: 116 [2023-11-12 02:18:02,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:18:02,467 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 53 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:18:02,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 244 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:18:02,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-12 02:18:02,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 100. [2023-11-12 02:18:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 55 states have internal predecessors, (64), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-12 02:18:02,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 148 transitions. [2023-11-12 02:18:02,499 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 148 transitions. Word has length 135 [2023-11-12 02:18:02,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:18:02,500 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 148 transitions. [2023-11-12 02:18:02,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-12 02:18:02,501 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 148 transitions. [2023-11-12 02:18:02,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-12 02:18:02,503 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:02,503 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:02,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:02,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:18:02,710 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:02,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:02,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1734944473, now seen corresponding path program 1 times [2023-11-12 02:18:02,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:18:02,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801879777] [2023-11-12 02:18:02,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:02,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:18:02,794 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:18:02,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [146166335] [2023-11-12 02:18:02,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:02,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:18:02,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:02,817 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:18:02,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:18:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:03,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:18:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:18:04,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:18:04,208 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:18:04,209 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:18:04,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:04,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:18:04,416 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-12 02:18:04,424 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:18:04,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:18:04 BoogieIcfgContainer [2023-11-12 02:18:04,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:18:04,607 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:18:04,607 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:18:04,608 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:18:04,608 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:00" (3/4) ... [2023-11-12 02:18:04,611 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:18:04,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:18:04,613 INFO L158 Benchmark]: Toolchain (without parser) took 5588.32ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 112.5MB in the beginning and 142.0MB in the end (delta: -29.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:18:04,614 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory was 60.3MB in the beginning and 60.1MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:18:04,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.36ms. Allocated memory is still 148.9MB. Free memory was 112.5MB in the beginning and 99.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:18:04,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.92ms. Allocated memory is still 148.9MB. Free memory was 99.2MB in the beginning and 96.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:18:04,616 INFO L158 Benchmark]: Boogie Preprocessor took 86.34ms. Allocated memory is still 148.9MB. Free memory was 96.7MB in the beginning and 95.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:18:04,617 INFO L158 Benchmark]: RCFGBuilder took 813.97ms. Allocated memory is still 148.9MB. Free memory was 95.0MB in the beginning and 77.4MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:18:04,617 INFO L158 Benchmark]: TraceAbstraction took 4006.28ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 76.8MB in the beginning and 143.1MB in the end (delta: -66.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-12 02:18:04,618 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 190.8MB. Free memory was 143.1MB in the beginning and 142.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:18:04,622 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory was 60.3MB in the beginning and 60.1MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.36ms. Allocated memory is still 148.9MB. Free memory was 112.5MB in the beginning and 99.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.92ms. Allocated memory is still 148.9MB. Free memory was 99.2MB in the beginning and 96.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.34ms. Allocated memory is still 148.9MB. Free memory was 96.7MB in the beginning and 95.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 813.97ms. Allocated memory is still 148.9MB. Free memory was 95.0MB in the beginning and 77.4MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4006.28ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 76.8MB in the beginning and 143.1MB in the end (delta: -66.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 190.8MB. Free memory was 143.1MB in the beginning and 142.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 122, overapproximation of someBinaryFLOATComparisonOperation at line 122. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -4; [L23] signed short int var_1_4 = 256; [L24] signed short int var_1_5 = 0; [L25] signed short int var_1_6 = 25; [L26] signed short int var_1_8 = 100; [L27] unsigned char var_1_9 = 1; [L28] signed short int var_1_10 = -4; [L29] unsigned char var_1_11 = 0; [L30] unsigned char var_1_12 = 0; [L31] unsigned char var_1_13 = 1; [L32] unsigned long int var_1_14 = 64; [L33] double var_1_15 = 10.3; [L34] double var_1_16 = 128.6; [L35] unsigned long int var_1_17 = 2600113953; [L36] float var_1_18 = 8.25; [L37] float var_1_19 = 31.5; [L38] float var_1_20 = 2.625; [L39] float var_1_21 = 999999999999999.2; [L40] float var_1_22 = 127.5; [L41] unsigned char last_1_var_1_9 = 1; VAL [isInitial=0, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=256, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L126] isInitial = 1 [L127] FCALL initially() [L128] COND TRUE 1 [L129] CALL updateLastVariables() [L119] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=256, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L129] RET updateLastVariables() [L130] CALL updateVariables() [L83] var_1_4 = __VERIFIER_nondet_short() [L84] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L84] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L85] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L85] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L86] var_1_5 = __VERIFIER_nondet_short() [L87] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=100, var_1_9=1] [L87] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=100, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_5 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=100, var_1_9=1] [L88] RET assume_abort_if_not(var_1_5 <= 32766) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=100, var_1_9=1] [L89] var_1_8 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L90] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L91] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L92] var_1_10 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_10 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L93] RET assume_abort_if_not(var_1_10 >= -32768) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L94] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L95] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L96] var_1_11 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L97] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L98] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L98] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L99] var_1_12 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L100] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L101] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L102] var_1_15 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L103] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L104] var_1_16 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L105] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L106] var_1_17 = __VERIFIER_nondet_ulong() [L107] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L107] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L108] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L108] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L109] var_1_19 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L110] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L111] var_1_20 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L112] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L113] var_1_21 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L114] RET assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=255/2, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L115] var_1_22 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L116] RET assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L130] RET updateVariables() [L131] CALL step() [L45] COND TRUE \read(last_1_var_1_9) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=25, var_1_8=32, var_1_9=1] [L46] COND TRUE var_1_5 == var_1_4 [L47] var_1_6 = ((((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) < ((var_1_4 - var_1_8))) ? (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) : ((var_1_4 - var_1_8)))) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=-31, var_1_8=32, var_1_9=1] [L54] COND FALSE !(-32 >= (var_1_5 - var_1_8)) [L61] var_1_18 = var_1_19 VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=-31, var_1_8=32, var_1_9=1] [L63] COND TRUE var_1_18 < ((((var_1_18) > ((var_1_15 - var_1_16))) ? (var_1_18) : ((var_1_15 - var_1_16)))) [L64] var_1_14 = (var_1_17 - (var_1_8 + var_1_4)) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=2147483615, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=-31, var_1_8=32, var_1_9=1] [L66] unsigned long int stepLocal_0 = var_1_14; VAL [isInitial=1, last_1_var_1_9=1, stepLocal_0=2147483615, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=2147483615, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=-31, var_1_8=32, var_1_9=1] [L67] COND TRUE ((var_1_8 % var_1_10) * (8 + var_1_14)) >= stepLocal_0 [L68] var_1_9 = ((! var_1_11) || var_1_12) VAL [isInitial=1, last_1_var_1_9=1, stepLocal_0=2147483615, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=2147483615, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=-31, var_1_8=32, var_1_9=0] [L72] COND TRUE var_1_18 > var_1_18 [L73] var_1_1 = ((((((2 + var_1_4)) < (var_1_5)) ? ((2 + var_1_4)) : (var_1_5))) - 2) VAL [isInitial=1, last_1_var_1_9=1, stepLocal_0=2147483615, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=2147483615, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=4, var_1_19=4, var_1_1=-1, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=-31, var_1_8=32, var_1_9=0] [L77] unsigned long int stepLocal_1 = (((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5)); VAL [isInitial=1, last_1_var_1_9=1, stepLocal_0=2147483615, stepLocal_1=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=2147483615, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=4, var_1_19=4, var_1_1=-1, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=-31, var_1_8=32, var_1_9=0] [L78] COND TRUE ((var_1_8 * var_1_1) + var_1_4) >= stepLocal_1 [L79] var_1_13 = var_1_12 VAL [isInitial=1, last_1_var_1_9=1, stepLocal_0=2147483615, stepLocal_1=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=2147483615, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=4, var_1_19=4, var_1_1=-1, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=-31, var_1_8=32, var_1_9=0] [L131] RET step() [L132] CALL, EXPR property() [L122-L123] return ((((((var_1_18 > var_1_18) ? (var_1_1 == ((signed short int) ((((((2 + var_1_4)) < (var_1_5)) ? ((2 + var_1_4)) : (var_1_5))) - 2))) : (var_1_1 == ((signed short int) var_1_4))) && (last_1_var_1_9 ? ((var_1_5 == var_1_4) ? (var_1_6 == ((signed short int) ((((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) < ((var_1_4 - var_1_8))) ? (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) : ((var_1_4 - var_1_8)))))) : (var_1_6 == ((signed short int) var_1_8))) : (var_1_6 == ((signed short int) var_1_4)))) && ((((var_1_8 % var_1_10) * (8 + var_1_14)) >= var_1_14) ? (var_1_9 == ((unsigned char) ((! var_1_11) || var_1_12))) : (var_1_9 == ((unsigned char) (! var_1_12))))) && ((((var_1_8 * var_1_1) + var_1_4) >= ((((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5)))) ? (var_1_13 == ((unsigned char) var_1_12)) : 1)) && ((var_1_18 < ((((var_1_18) > ((var_1_15 - var_1_16))) ? (var_1_18) : ((var_1_15 - var_1_16))))) ? (var_1_14 == ((unsigned long int) (var_1_17 - (var_1_8 + var_1_4)))) : 1)) && ((-32 >= (var_1_5 - var_1_8)) ? ((var_1_10 > var_1_6) ? (var_1_18 == ((float) ((var_1_19 - var_1_20) + (var_1_21 + var_1_22)))) : (var_1_18 == ((float) var_1_20))) : (var_1_18 == ((float) var_1_19))) ; VAL [\result=0, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=2147483615, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=4, var_1_19=4, var_1_1=-1, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=-31, var_1_8=32, var_1_9=0] [L132] RET, EXPR property() [L132] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=2147483615, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=4, var_1_19=4, var_1_1=-1, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=-31, var_1_8=32, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=1, var_1_10=31, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=2147483615, var_1_15=2, var_1_16=3, var_1_17=2147483648, var_1_18=4, var_1_19=4, var_1_1=-1, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=1, var_1_5=1, var_1_6=-31, var_1_8=32, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 331 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 160 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 171 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 269 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 514 SizeOfPredicates, 1 NumberOfNonLiveVariables, 652 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1680/1680 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 [2023-11-12 02:18:04,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/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_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a1c664dccb2fd20712875143d7c0791ea927630b38961ab634617ccb1638f52 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:18:07,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:18:07,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:18:07,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:18:07,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:18:07,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:18:07,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:18:07,802 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:18:07,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:18:07,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:18:07,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:18:07,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:18:07,807 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:18:07,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:18:07,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:18:07,809 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:18:07,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:18:07,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:18:07,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:18:07,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:18:07,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:18:07,813 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:18:07,814 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:18:07,814 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:18:07,815 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:18:07,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:18:07,816 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:18:07,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:18:07,817 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:18:07,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:18:07,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:18:07,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:18:07,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:18:07,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:18:07,821 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:18:07,821 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:18:07,822 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:18:07,822 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:18:07,822 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:18:07,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:18:07,823 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:18:07,823 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:18:07,824 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_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a1c664dccb2fd20712875143d7c0791ea927630b38961ab634617ccb1638f52 [2023-11-12 02:18:08,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:18:08,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:18:08,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:18:08,305 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:18:08,305 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:18:08,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i [2023-11-12 02:18:11,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:18:12,079 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:18:12,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i [2023-11-12 02:18:12,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/data/cf38bd498/8a6801873e5f40c0aee17ed7cab1e611/FLAGcdd8ba911 [2023-11-12 02:18:12,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/data/cf38bd498/8a6801873e5f40c0aee17ed7cab1e611 [2023-11-12 02:18:12,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:18:12,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:18:12,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:18:12,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:18:12,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:18:12,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:18:12" (1/1) ... [2023-11-12 02:18:12,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f79b33c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:12, skipping insertion in model container [2023-11-12 02:18:12,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:18:12" (1/1) ... [2023-11-12 02:18:12,202 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:18:12,415 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_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i[915,928] [2023-11-12 02:18:12,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:18:12,544 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:18:12,566 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_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-54.i[915,928] [2023-11-12 02:18:12,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:18:12,639 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:18:12,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:12 WrapperNode [2023-11-12 02:18:12,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:18:12,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:18:12,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:18:12,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:18:12,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:12" (1/1) ... [2023-11-12 02:18:12,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:12" (1/1) ... [2023-11-12 02:18:12,738 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2023-11-12 02:18:12,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:18:12,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:18:12,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:18:12,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:18:12,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:12" (1/1) ... [2023-11-12 02:18:12,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:12" (1/1) ... [2023-11-12 02:18:12,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:12" (1/1) ... [2023-11-12 02:18:12,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:12" (1/1) ... [2023-11-12 02:18:12,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:12" (1/1) ... [2023-11-12 02:18:12,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:12" (1/1) ... [2023-11-12 02:18:12,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:12" (1/1) ... [2023-11-12 02:18:12,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:12" (1/1) ... [2023-11-12 02:18:12,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:18:12,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:18:12,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:18:12,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:18:12,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:12" (1/1) ... [2023-11-12 02:18:12,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:18:12,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:18:12,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:18:12,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:18:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:18:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:18:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:18:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:18:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:18:12,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:18:13,067 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:18:13,069 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:18:17,688 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:18:17,696 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:18:17,697 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:18:17,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:17 BoogieIcfgContainer [2023-11-12 02:18:17,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:18:17,702 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:18:17,703 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:18:17,706 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:18:17,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:18:12" (1/3) ... [2023-11-12 02:18:17,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@193d73fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:18:17, skipping insertion in model container [2023-11-12 02:18:17,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:12" (2/3) ... [2023-11-12 02:18:17,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@193d73fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:18:17, skipping insertion in model container [2023-11-12 02:18:17,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:17" (3/3) ... [2023-11-12 02:18:17,711 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-54.i [2023-11-12 02:18:17,733 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:18:17,733 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:18:17,792 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:18:17,799 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1ca2d912, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:18:17,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:18:17,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-12 02:18:17,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 02:18:17,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:17,822 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:17,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:17,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:17,829 INFO L85 PathProgramCache]: Analyzing trace with hash -375115907, now seen corresponding path program 1 times [2023-11-12 02:18:17,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:18:17,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687729749] [2023-11-12 02:18:17,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:17,850 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 [2023-11-12 02:18:17,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:18:17,856 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:18:17,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:18:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:18,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:18:18,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:18,506 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2023-11-12 02:18:18,507 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:18:18,508 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:18:18,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687729749] [2023-11-12 02:18:18,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687729749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:18,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:18,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:18:18,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730439704] [2023-11-12 02:18:18,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:18,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:18:18,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:18:18,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:18:18,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:18:18,562 INFO L87 Difference]: Start difference. First operand has 63 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-12 02:18:18,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:18,629 INFO L93 Difference]: Finished difference Result 119 states and 203 transitions. [2023-11-12 02:18:18,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:18:18,632 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2023-11-12 02:18:18,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:18:18,646 INFO L225 Difference]: With dead ends: 119 [2023-11-12 02:18:18,646 INFO L226 Difference]: Without dead ends: 59 [2023-11-12 02:18:18,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:18:18,657 INFO L413 NwaCegarLoop]: 86 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, 86 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 [2023-11-12 02:18:18,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:18:18,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-12 02:18:18,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-12 02:18:18,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-12 02:18:18,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2023-11-12 02:18:18,724 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 135 [2023-11-12 02:18:18,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:18:18,725 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2023-11-12 02:18:18,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-12 02:18:18,727 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2023-11-12 02:18:18,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-12 02:18:18,735 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:18,736 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:18,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:18:18,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:18:18,953 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:18,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:18,954 INFO L85 PathProgramCache]: Analyzing trace with hash 463160637, now seen corresponding path program 1 times [2023-11-12 02:18:18,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:18:18,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181535124] [2023-11-12 02:18:18,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:18,956 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 [2023-11-12 02:18:18,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:18:18,958 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:18:18,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:18:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:19,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:18:19,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-12 02:18:20,220 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:18:20,221 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:18:20,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181535124] [2023-11-12 02:18:20,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181535124] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:20,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:20,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:18:20,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692004174] [2023-11-12 02:18:20,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:20,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:18:20,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:18:20,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:18:20,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:18:20,226 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-12 02:18:22,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:18:25,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:18:25,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:18:25,846 INFO L93 Difference]: Finished difference Result 172 states and 253 transitions. [2023-11-12 02:18:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:18:25,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 135 [2023-11-12 02:18:25,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:18:25,881 INFO L225 Difference]: With dead ends: 172 [2023-11-12 02:18:25,881 INFO L226 Difference]: Without dead ends: 116 [2023-11-12 02:18:25,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:18:25,885 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 52 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 43 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:18:25,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 241 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2023-11-12 02:18:25,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-12 02:18:25,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 100. [2023-11-12 02:18:25,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-12 02:18:25,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2023-11-12 02:18:25,944 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 135 [2023-11-12 02:18:25,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:18:25,945 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2023-11-12 02:18:25,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-12 02:18:25,946 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2023-11-12 02:18:25,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-12 02:18:25,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:18:25,949 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:18:25,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:18:26,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:18:26,165 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:18:26,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:26,166 INFO L85 PathProgramCache]: Analyzing trace with hash -785015461, now seen corresponding path program 1 times [2023-11-12 02:18:26,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:18:26,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135938273] [2023-11-12 02:18:26,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:26,167 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 [2023-11-12 02:18:26,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:18:26,169 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:18:26,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaabf14b-dcdd-47f8-8dd1-9e992f94ceb5/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:18:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:27,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-12 02:18:27,085 INFO L285 TraceCheckSpWp]: Computing forward predicates...