./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.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_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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 61d8b31ff1e9b7ded83368278938f158cc1aa40ff57fbd8a739b93a1e5cab26f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:29:52,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:29:52,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:29:52,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:29:52,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:29:52,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:29:52,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:29:52,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:29:52,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:29:52,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:29:52,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:29:52,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:29:52,988 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:29:52,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:29:52,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:29:52,990 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:29:52,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:29:52,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:29:52,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:29:52,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:29:52,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:29:52,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:29:52,994 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:29:52,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:29:52,995 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:29:52,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:29:52,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:29:52,996 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:29:52,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:29:52,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:29:52,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:29:52,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:29:52,999 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:29:53,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:29:53,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:29:53,001 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:29:53,002 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:29:53,002 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:29:53,003 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:29:53,003 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_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61d8b31ff1e9b7ded83368278938f158cc1aa40ff57fbd8a739b93a1e5cab26f [2023-11-12 02:29:53,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:29:53,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:29:53,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:29:53,300 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:29:53,301 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:29:53,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i [2023-11-12 02:29:56,571 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:29:56,924 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:29:56,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i [2023-11-12 02:29:56,942 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/data/4f8e8f623/99a3922d979042b586b4787919b56799/FLAGcec679c4c [2023-11-12 02:29:56,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/data/4f8e8f623/99a3922d979042b586b4787919b56799 [2023-11-12 02:29:56,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:29:56,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:29:56,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:29:56,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:29:56,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:29:56,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:29:56" (1/1) ... [2023-11-12 02:29:56,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be29289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:56, skipping insertion in model container [2023-11-12 02:29:56,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:29:56" (1/1) ... [2023-11-12 02:29:57,063 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:29:57,280 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_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i[916,929] [2023-11-12 02:29:57,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:29:57,418 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:29:57,434 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_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i[916,929] [2023-11-12 02:29:57,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:29:57,514 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:29:57,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:57 WrapperNode [2023-11-12 02:29:57,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:29:57,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:29:57,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:29:57,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:29:57,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:57" (1/1) ... [2023-11-12 02:29:57,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:57" (1/1) ... [2023-11-12 02:29:57,617 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 296 [2023-11-12 02:29:57,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:29:57,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:29:57,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:29:57,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:29:57,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:57" (1/1) ... [2023-11-12 02:29:57,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:57" (1/1) ... [2023-11-12 02:29:57,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:57" (1/1) ... [2023-11-12 02:29:57,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:57" (1/1) ... [2023-11-12 02:29:57,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:57" (1/1) ... [2023-11-12 02:29:57,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:57" (1/1) ... [2023-11-12 02:29:57,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:57" (1/1) ... [2023-11-12 02:29:57,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:57" (1/1) ... [2023-11-12 02:29:57,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:29:57,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:29:57,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:29:57,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:29:57,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:57" (1/1) ... [2023-11-12 02:29:57,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:29:57,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:57,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:57,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:29:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:29:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:29:57,795 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:29:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:29:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:29:57,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:29:57,955 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:29:57,958 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:29:58,885 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:29:58,895 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:29:58,896 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:29:58,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:58 BoogieIcfgContainer [2023-11-12 02:29:58,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:29:58,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:29:58,903 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:29:58,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:29:58,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:29:56" (1/3) ... [2023-11-12 02:29:58,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29dbc8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:29:58, skipping insertion in model container [2023-11-12 02:29:58,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:57" (2/3) ... [2023-11-12 02:29:58,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29dbc8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:29:58, skipping insertion in model container [2023-11-12 02:29:58,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:58" (3/3) ... [2023-11-12 02:29:58,912 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-11.i [2023-11-12 02:29:58,938 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:29:58,939 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:29:59,033 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:29:59,046 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;@3165a5e8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:29:59,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:29:59,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 83 states have (on average 1.5662650602409638) internal successors, (130), 84 states have internal predecessors, (130), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:29:59,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-12 02:29:59,081 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:29:59,082 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:59,083 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:29:59,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:59,090 INFO L85 PathProgramCache]: Analyzing trace with hash 879835290, now seen corresponding path program 1 times [2023-11-12 02:29:59,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:59,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009294594] [2023-11-12 02:29:59,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:59,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:59,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:59,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009294594] [2023-11-12 02:29:59,396 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:29:59,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481823518] [2023-11-12 02:29:59,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:59,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:29:59,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:59,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:29:59,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:29:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:59,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:29:59,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:29:59,719 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-12 02:29:59,720 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:29:59,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481823518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:59,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:59,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:29:59,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243246304] [2023-11-12 02:29:59,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:59,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:29:59,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:59,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:29:59,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:29:59,767 INFO L87 Difference]: Start difference. First operand has 106 states, 83 states have (on average 1.5662650602409638) internal successors, (130), 84 states have internal predecessors, (130), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:29:59,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:59,816 INFO L93 Difference]: Finished difference Result 209 states and 357 transitions. [2023-11-12 02:29:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:29:59,820 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 148 [2023-11-12 02:29:59,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:29:59,831 INFO L225 Difference]: With dead ends: 209 [2023-11-12 02:29:59,832 INFO L226 Difference]: Without dead ends: 102 [2023-11-12 02:29:59,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 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 02:29:59,842 INFO L413 NwaCegarLoop]: 167 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, 167 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 02:29:59,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:29:59,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-12 02:29:59,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-11-12 02:29:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 80 states have (on average 1.5375) internal successors, (123), 80 states have internal predecessors, (123), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:29:59,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 163 transitions. [2023-11-12 02:29:59,906 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 163 transitions. Word has length 148 [2023-11-12 02:29:59,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:29:59,907 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 163 transitions. [2023-11-12 02:29:59,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:29:59,908 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 163 transitions. [2023-11-12 02:29:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-12 02:29:59,914 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:29:59,914 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:59,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:00,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:30:00,118 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:00,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:00,120 INFO L85 PathProgramCache]: Analyzing trace with hash 659523858, now seen corresponding path program 1 times [2023-11-12 02:30:00,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:00,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617858591] [2023-11-12 02:30:00,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:00,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:00,277 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:30:00,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212742828] [2023-11-12 02:30:00,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:00,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:00,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:00,294 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:00,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:30:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:00,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:30:00,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:00,702 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:30:00,702 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:00,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:00,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617858591] [2023-11-12 02:30:00,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:30:00,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212742828] [2023-11-12 02:30:00,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212742828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:00,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:00,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:30:00,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779210046] [2023-11-12 02:30:00,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:00,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:30:00,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:00,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:30:00,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:30:00,708 INFO L87 Difference]: Start difference. First operand 102 states and 163 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:00,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:00,769 INFO L93 Difference]: Finished difference Result 202 states and 325 transitions. [2023-11-12 02:30:00,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:30:00,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 148 [2023-11-12 02:30:00,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:00,776 INFO L225 Difference]: With dead ends: 202 [2023-11-12 02:30:00,776 INFO L226 Difference]: Without dead ends: 103 [2023-11-12 02:30:00,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:30:00,780 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 42 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:00,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 434 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:30:00,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-12 02:30:00,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-11-12 02:30:00,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.5308641975308641) internal successors, (124), 81 states have internal predecessors, (124), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:30:00,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 164 transitions. [2023-11-12 02:30:00,803 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 164 transitions. Word has length 148 [2023-11-12 02:30:00,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:00,805 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 164 transitions. [2023-11-12 02:30:00,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:00,806 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 164 transitions. [2023-11-12 02:30:00,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-12 02:30:00,810 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:00,810 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:00,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:01,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:01,019 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:01,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:01,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1992743548, now seen corresponding path program 1 times [2023-11-12 02:30:01,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:01,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570831506] [2023-11-12 02:30:01,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:01,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:01,134 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:30:01,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1511005799] [2023-11-12 02:30:01,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:01,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:01,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,143 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:30:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:01,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 02:30:01,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:01,609 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 267 proven. 45 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2023-11-12 02:30:01,616 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:30:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-12 02:30:01,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:01,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570831506] [2023-11-12 02:30:01,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:30:01,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511005799] [2023-11-12 02:30:01,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511005799] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:30:01,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:30:01,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-12 02:30:01,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587659865] [2023-11-12 02:30:01,871 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:30:01,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:30:01,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:01,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:30:01,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:30:01,878 INFO L87 Difference]: Start difference. First operand 103 states and 164 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-12 02:30:02,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:02,200 INFO L93 Difference]: Finished difference Result 211 states and 332 transitions. [2023-11-12 02:30:02,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:30:02,202 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 149 [2023-11-12 02:30:02,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:02,205 INFO L225 Difference]: With dead ends: 211 [2023-11-12 02:30:02,205 INFO L226 Difference]: Without dead ends: 111 [2023-11-12 02:30:02,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:30:02,209 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 222 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:02,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 341 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:30:02,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-12 02:30:02,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 107. [2023-11-12 02:30:02,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 84 states have (on average 1.4880952380952381) internal successors, (125), 84 states have internal predecessors, (125), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:30:02,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 165 transitions. [2023-11-12 02:30:02,238 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 165 transitions. Word has length 149 [2023-11-12 02:30:02,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:02,239 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 165 transitions. [2023-11-12 02:30:02,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-12 02:30:02,240 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 165 transitions. [2023-11-12 02:30:02,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-12 02:30:02,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:02,244 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:02,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:02,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:02,452 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:02,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:02,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1640771096, now seen corresponding path program 1 times [2023-11-12 02:30:02,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:02,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810812561] [2023-11-12 02:30:02,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:02,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:02,510 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:30:02,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2015884279] [2023-11-12 02:30:02,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:02,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:02,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:02,512 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:02,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:30:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:02,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-12 02:30:02,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:30:03,980 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:03,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:03,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810812561] [2023-11-12 02:30:03,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:30:03,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015884279] [2023-11-12 02:30:03,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015884279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:03,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:03,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:30:03,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39368236] [2023-11-12 02:30:03,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:03,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:30:03,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:03,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:30:03,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:30:03,986 INFO L87 Difference]: Start difference. First operand 107 states and 165 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:04,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:04,404 INFO L93 Difference]: Finished difference Result 413 states and 643 transitions. [2023-11-12 02:30:04,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:30:04,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 151 [2023-11-12 02:30:04,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:04,416 INFO L225 Difference]: With dead ends: 413 [2023-11-12 02:30:04,416 INFO L226 Difference]: Without dead ends: 309 [2023-11-12 02:30:04,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:30:04,425 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 398 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:04,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 617 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:30:04,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2023-11-12 02:30:04,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 233. [2023-11-12 02:30:04,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 188 states have (on average 1.5) internal successors, (282), 188 states have internal predecessors, (282), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-12 02:30:04,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 362 transitions. [2023-11-12 02:30:04,519 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 362 transitions. Word has length 151 [2023-11-12 02:30:04,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:04,521 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 362 transitions. [2023-11-12 02:30:04,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:04,522 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 362 transitions. [2023-11-12 02:30:04,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-12 02:30:04,529 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:04,530 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:04,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-12 02:30:04,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:04,745 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:04,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:04,745 INFO L85 PathProgramCache]: Analyzing trace with hash 848757866, now seen corresponding path program 1 times [2023-11-12 02:30:04,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:04,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600815628] [2023-11-12 02:30:04,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:04,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:04,804 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:30:04,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [638836483] [2023-11-12 02:30:04,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:04,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:04,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:04,807 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:04,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:30:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:05,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:30:05,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:30:05,715 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:05,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:05,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600815628] [2023-11-12 02:30:05,716 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:30:05,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638836483] [2023-11-12 02:30:05,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638836483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:05,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:05,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:30:05,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850207142] [2023-11-12 02:30:05,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:05,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:30:05,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:05,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:30:05,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:30:05,728 INFO L87 Difference]: Start difference. First operand 233 states and 362 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:06,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:06,051 INFO L93 Difference]: Finished difference Result 655 states and 1022 transitions. [2023-11-12 02:30:06,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:30:06,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 151 [2023-11-12 02:30:06,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:06,057 INFO L225 Difference]: With dead ends: 655 [2023-11-12 02:30:06,057 INFO L226 Difference]: Without dead ends: 425 [2023-11-12 02:30:06,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 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 02:30:06,060 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 140 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:06,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 418 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:30:06,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2023-11-12 02:30:06,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 392. [2023-11-12 02:30:06,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 325 states have (on average 1.5107692307692309) internal successors, (491), 325 states have internal predecessors, (491), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-12 02:30:06,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 611 transitions. [2023-11-12 02:30:06,135 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 611 transitions. Word has length 151 [2023-11-12 02:30:06,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:06,136 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 611 transitions. [2023-11-12 02:30:06,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:06,136 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 611 transitions. [2023-11-12 02:30:06,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-12 02:30:06,139 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:06,139 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:06,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:06,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:06,346 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:06,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:06,347 INFO L85 PathProgramCache]: Analyzing trace with hash 428680001, now seen corresponding path program 1 times [2023-11-12 02:30:06,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:06,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411263374] [2023-11-12 02:30:06,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:06,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:06,395 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:30:06,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1788684294] [2023-11-12 02:30:06,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:06,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:06,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:06,398 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:06,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 02:30:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:06,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-12 02:30:06,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:30:07,209 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:07,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:07,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411263374] [2023-11-12 02:30:07,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:30:07,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788684294] [2023-11-12 02:30:07,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1788684294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:07,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:07,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:30:07,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120690539] [2023-11-12 02:30:07,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:07,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:30:07,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:07,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:30:07,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:30:07,214 INFO L87 Difference]: Start difference. First operand 392 states and 611 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:07,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:07,593 INFO L93 Difference]: Finished difference Result 734 states and 1128 transitions. [2023-11-12 02:30:07,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:30:07,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 151 [2023-11-12 02:30:07,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:07,599 INFO L225 Difference]: With dead ends: 734 [2023-11-12 02:30:07,599 INFO L226 Difference]: Without dead ends: 431 [2023-11-12 02:30:07,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:30:07,602 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 272 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:07,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 515 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:30:07,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2023-11-12 02:30:07,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 391. [2023-11-12 02:30:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 324 states have (on average 1.5092592592592593) internal successors, (489), 324 states have internal predecessors, (489), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-12 02:30:07,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 609 transitions. [2023-11-12 02:30:07,652 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 609 transitions. Word has length 151 [2023-11-12 02:30:07,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:07,653 INFO L495 AbstractCegarLoop]: Abstraction has 391 states and 609 transitions. [2023-11-12 02:30:07,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:07,653 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 609 transitions. [2023-11-12 02:30:07,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-12 02:30:07,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:07,656 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:07,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:07,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-12 02:30:07,864 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:07,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:07,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1216726081, now seen corresponding path program 1 times [2023-11-12 02:30:07,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:07,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848213839] [2023-11-12 02:30:07,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:07,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:07,930 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:30:07,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1782226292] [2023-11-12 02:30:07,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:07,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:07,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:07,932 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:07,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 02:30:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:08,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:30:08,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:30:08,779 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:08,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:08,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848213839] [2023-11-12 02:30:08,779 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:30:08,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782226292] [2023-11-12 02:30:08,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782226292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:08,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:08,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:30:08,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762244925] [2023-11-12 02:30:08,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:08,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:30:08,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:08,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:30:08,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:30:08,783 INFO L87 Difference]: Start difference. First operand 391 states and 609 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:09,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:09,012 INFO L93 Difference]: Finished difference Result 515 states and 795 transitions. [2023-11-12 02:30:09,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:30:09,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 151 [2023-11-12 02:30:09,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:09,019 INFO L225 Difference]: With dead ends: 515 [2023-11-12 02:30:09,019 INFO L226 Difference]: Without dead ends: 211 [2023-11-12 02:30:09,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 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 02:30:09,022 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 118 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:09,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 423 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:30:09,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-11-12 02:30:09,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 200. [2023-11-12 02:30:09,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 155 states have (on average 1.4709677419354839) internal successors, (228), 155 states have internal predecessors, (228), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-12 02:30:09,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 308 transitions. [2023-11-12 02:30:09,063 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 308 transitions. Word has length 151 [2023-11-12 02:30:09,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:09,064 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 308 transitions. [2023-11-12 02:30:09,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:09,064 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 308 transitions. [2023-11-12 02:30:09,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-12 02:30:09,067 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:09,067 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:09,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:09,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:09,275 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:09,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:09,276 INFO L85 PathProgramCache]: Analyzing trace with hash -585904070, now seen corresponding path program 1 times [2023-11-12 02:30:09,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:09,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888701040] [2023-11-12 02:30:09,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:09,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:09,320 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:30:09,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884791438] [2023-11-12 02:30:09,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:09,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:09,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:09,322 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:09,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-12 02:30:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:30:09,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:10,270 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2023-11-12 02:30:10,270 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:10,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:10,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888701040] [2023-11-12 02:30:10,271 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:30:10,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884791438] [2023-11-12 02:30:10,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884791438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:10,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:10,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:30:10,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730172801] [2023-11-12 02:30:10,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:10,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:30:10,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:10,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:30:10,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:30:10,275 INFO L87 Difference]: Start difference. First operand 200 states and 308 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-12 02:30:10,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:10,610 INFO L93 Difference]: Finished difference Result 514 states and 800 transitions. [2023-11-12 02:30:10,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:30:10,611 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 152 [2023-11-12 02:30:10,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:10,616 INFO L225 Difference]: With dead ends: 514 [2023-11-12 02:30:10,616 INFO L226 Difference]: Without dead ends: 379 [2023-11-12 02:30:10,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:30:10,619 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 591 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:10,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 515 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:30:10,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2023-11-12 02:30:10,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 335. [2023-11-12 02:30:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 268 states have (on average 1.4962686567164178) internal successors, (401), 268 states have internal predecessors, (401), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-12 02:30:10,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 521 transitions. [2023-11-12 02:30:10,682 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 521 transitions. Word has length 152 [2023-11-12 02:30:10,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:10,683 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 521 transitions. [2023-11-12 02:30:10,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-12 02:30:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 521 transitions. [2023-11-12 02:30:10,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-12 02:30:10,686 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:10,686 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:10,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:10,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-12 02:30:10,894 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:10,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:10,895 INFO L85 PathProgramCache]: Analyzing trace with hash -367049352, now seen corresponding path program 1 times [2023-11-12 02:30:10,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:10,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826416147] [2023-11-12 02:30:10,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:10,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:10,941 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:30:10,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [726633038] [2023-11-12 02:30:10,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:10,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:10,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:10,944 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:10,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-12 02:30:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:11,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:30:11,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:11,396 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:30:11,396 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:11,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:11,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826416147] [2023-11-12 02:30:11,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:30:11,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726633038] [2023-11-12 02:30:11,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726633038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:11,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:11,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:30:11,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545360810] [2023-11-12 02:30:11,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:11,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:30:11,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:11,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:30:11,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:30:11,404 INFO L87 Difference]: Start difference. First operand 335 states and 521 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:11,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:11,810 INFO L93 Difference]: Finished difference Result 966 states and 1515 transitions. [2023-11-12 02:30:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:30:11,811 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 152 [2023-11-12 02:30:11,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:11,818 INFO L225 Difference]: With dead ends: 966 [2023-11-12 02:30:11,818 INFO L226 Difference]: Without dead ends: 694 [2023-11-12 02:30:11,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:30:11,823 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 337 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:11,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 585 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:30:11,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2023-11-12 02:30:11,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 654. [2023-11-12 02:30:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 543 states have (on average 1.5193370165745856) internal successors, (825), 543 states have internal predecessors, (825), 100 states have call successors, (100), 10 states have call predecessors, (100), 10 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-11-12 02:30:11,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 1025 transitions. [2023-11-12 02:30:11,910 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 1025 transitions. Word has length 152 [2023-11-12 02:30:11,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:11,915 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 1025 transitions. [2023-11-12 02:30:11,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:11,915 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1025 transitions. [2023-11-12 02:30:11,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-12 02:30:11,918 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:11,918 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:11,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:12,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-12 02:30:12,127 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:12,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:12,127 INFO L85 PathProgramCache]: Analyzing trace with hash -973913414, now seen corresponding path program 1 times [2023-11-12 02:30:12,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:12,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130054004] [2023-11-12 02:30:12,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:12,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:12,173 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:30:12,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [991431832] [2023-11-12 02:30:12,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:12,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:12,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:12,178 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:12,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-12 02:30:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:12,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-12 02:30:12,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:30:13,309 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:13,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:13,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130054004] [2023-11-12 02:30:13,309 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:30:13,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991431832] [2023-11-12 02:30:13,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991431832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:13,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:13,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:30:13,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895252655] [2023-11-12 02:30:13,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:13,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:30:13,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:13,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:30:13,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:30:13,314 INFO L87 Difference]: Start difference. First operand 654 states and 1025 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:13,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:13,564 INFO L93 Difference]: Finished difference Result 1312 states and 2047 transitions. [2023-11-12 02:30:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:30:13,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 153 [2023-11-12 02:30:13,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:13,572 INFO L225 Difference]: With dead ends: 1312 [2023-11-12 02:30:13,572 INFO L226 Difference]: Without dead ends: 707 [2023-11-12 02:30:13,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 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 02:30:13,575 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 113 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:13,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 437 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:30:13,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2023-11-12 02:30:13,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 653. [2023-11-12 02:30:13,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 542 states have (on average 1.4981549815498154) internal successors, (812), 542 states have internal predecessors, (812), 100 states have call successors, (100), 10 states have call predecessors, (100), 10 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-11-12 02:30:13,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 1012 transitions. [2023-11-12 02:30:13,651 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 1012 transitions. Word has length 153 [2023-11-12 02:30:13,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:13,652 INFO L495 AbstractCegarLoop]: Abstraction has 653 states and 1012 transitions. [2023-11-12 02:30:13,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:13,652 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1012 transitions. [2023-11-12 02:30:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-12 02:30:13,655 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:13,655 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:13,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:13,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-12 02:30:13,863 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:13,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:13,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1190391313, now seen corresponding path program 1 times [2023-11-12 02:30:13,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:13,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022781812] [2023-11-12 02:30:13,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:13,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:13,898 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:30:13,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1093725327] [2023-11-12 02:30:13,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:13,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:13,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:13,900 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:13,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-12 02:30:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:14,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:14,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:14,414 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:30:14,416 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:30:14,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:14,628 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:14,632 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:30:14,761 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:30:14,765 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-12 02:30:14,766 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-12 02:30:14,767 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-12 02:30:14,771 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-12 02:30:14,771 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-12 02:30:14,771 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-12 02:30:14,772 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-12 02:30:14,772 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-12 02:30:14,772 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-12 02:30:14,772 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-12 02:30:14,773 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated [2023-11-12 02:30:14,773 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-12 02:30:14,773 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated [2023-11-12 02:30:14,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:30:14 BoogieIcfgContainer [2023-11-12 02:30:14,815 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:30:14,816 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:30:14,816 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:30:14,816 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:30:14,817 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:58" (3/4) ... [2023-11-12 02:30:14,819 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:30:14,821 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:30:14,821 INFO L158 Benchmark]: Toolchain (without parser) took 17842.73ms. Allocated memory was 186.6MB in the beginning and 272.6MB in the end (delta: 86.0MB). Free memory was 143.6MB in the beginning and 90.4MB in the end (delta: 53.2MB). Peak memory consumption was 141.8MB. Max. memory is 16.1GB. [2023-11-12 02:30:14,822 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:30:14,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.16ms. Allocated memory is still 186.6MB. Free memory was 143.1MB in the beginning and 126.9MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:30:14,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.22ms. Allocated memory is still 186.6MB. Free memory was 126.9MB in the beginning and 120.1MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:30:14,823 INFO L158 Benchmark]: Boogie Preprocessor took 67.11ms. Allocated memory is still 186.6MB. Free memory was 120.1MB in the beginning and 117.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:30:14,823 INFO L158 Benchmark]: RCFGBuilder took 1212.46ms. Allocated memory is still 186.6MB. Free memory was 117.4MB in the beginning and 142.4MB in the end (delta: -25.0MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2023-11-12 02:30:14,824 INFO L158 Benchmark]: TraceAbstraction took 15912.37ms. Allocated memory was 186.6MB in the beginning and 272.6MB in the end (delta: 86.0MB). Free memory was 142.4MB in the beginning and 91.4MB in the end (delta: 51.0MB). Peak memory consumption was 135.9MB. Max. memory is 16.1GB. [2023-11-12 02:30:14,824 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 272.6MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:30:14,826 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.16ms. Allocated memory is still 186.6MB. Free memory was 143.1MB in the beginning and 126.9MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.22ms. Allocated memory is still 186.6MB. Free memory was 126.9MB in the beginning and 120.1MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.11ms. Allocated memory is still 186.6MB. Free memory was 120.1MB in the beginning and 117.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1212.46ms. Allocated memory is still 186.6MB. Free memory was 117.4MB in the beginning and 142.4MB in the end (delta: -25.0MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * TraceAbstraction took 15912.37ms. Allocated memory was 186.6MB in the beginning and 272.6MB in the end (delta: 86.0MB). Free memory was 142.4MB in the beginning and 91.4MB in the end (delta: 51.0MB). Peak memory consumption was 135.9MB. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 272.6MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short23 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 189, overapproximation of bitwiseOr at line 189, overapproximation of bitwiseAnd at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 4.75; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_6 = -4; [L25] double var_1_7 = 49.8; [L26] double var_1_8 = 255.625; [L27] unsigned short int var_1_9 = 10; [L28] unsigned short int var_1_11 = 10000; [L29] signed char var_1_12 = 100; [L30] signed char var_1_13 = 16; [L31] unsigned long int var_1_14 = 4; [L32] signed short int var_1_15 = -16; [L33] unsigned char var_1_17 = 5; [L34] double var_1_18 = 64.75; [L35] double var_1_19 = 99.5; [L36] unsigned long int var_1_20 = 32; [L37] unsigned long int var_1_22 = 32; [L38] unsigned long int var_1_23 = 2461517415; [L39] unsigned long int var_1_24 = 1399914902; [L40] unsigned char var_1_25 = 2; [L41] signed long int var_1_26 = 4; [L42] unsigned char var_1_27 = 0; [L43] unsigned short int var_1_28 = 32; [L44] unsigned short int var_1_29 = 36457; [L45] double last_1_var_1_1 = 4.75; [L46] unsigned short int last_1_var_1_9 = 10; [L47] unsigned short int last_1_var_1_11 = 10000; [L48] unsigned long int last_1_var_1_14 = 4; [L49] signed short int last_1_var_1_15 = -16; [L50] unsigned char last_1_var_1_17 = 5; [L51] double last_1_var_1_18 = 64.75; [L52] unsigned long int last_1_var_1_20 = 32; [L53] unsigned long int last_1_var_1_22 = 32; [L54] unsigned char last_1_var_1_25 = 2; [L55] signed long int last_1_var_1_26 = 4; [L56] unsigned short int last_1_var_1_28 = 32; VAL [isInitial=0, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L193] isInitial = 1 [L194] FCALL initially() [L195] int k_loop; [L196] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L196] COND TRUE k_loop < 1 [L197] CALL updateLastVariables() [L175] last_1_var_1_1 = var_1_1 [L176] last_1_var_1_9 = var_1_9 [L177] last_1_var_1_11 = var_1_11 [L178] last_1_var_1_14 = var_1_14 [L179] last_1_var_1_15 = var_1_15 [L180] last_1_var_1_17 = var_1_17 [L181] last_1_var_1_18 = var_1_18 [L182] last_1_var_1_20 = var_1_20 [L183] last_1_var_1_22 = var_1_22 [L184] last_1_var_1_25 = var_1_25 [L185] last_1_var_1_26 = var_1_26 [L186] last_1_var_1_28 = var_1_28 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L197] RET updateLastVariables() [L198] CALL updateVariables() [L142] var_1_2 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L143] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L144] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L144] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=-4, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L145] var_1_6 = __VERIFIER_nondet_long() [L146] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L146] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L147] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L147] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L148] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L148] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=249/5, var_1_8=2045/8, var_1_9=10] [L149] var_1_7 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=2045/8, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=2045/8, var_1_9=10] [L150] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=2045/8, var_1_9=10] [L151] var_1_8 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L152] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=100, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L153] var_1_12 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L154] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L155] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L155] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=16, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L156] var_1_13 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L157] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L158] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L158] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=199/2, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L159] var_1_19 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L160] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2461517415, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L161] var_1_23 = __VERIFIER_nondet_ulong() [L162] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L162] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L163] CALL assume_abort_if_not(var_1_23 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L163] RET assume_abort_if_not(var_1_23 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=1399914902, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L164] var_1_24 = __VERIFIER_nondet_ulong() [L165] CALL assume_abort_if_not(var_1_24 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L165] RET assume_abort_if_not(var_1_24 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L166] CALL assume_abort_if_not(var_1_24 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L166] RET assume_abort_if_not(var_1_24 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L167] var_1_27 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L168] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L169] CALL assume_abort_if_not(var_1_27 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L169] RET assume_abort_if_not(var_1_27 <= 1) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=36457, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L170] var_1_29 = __VERIFIER_nondet_ushort() [L171] CALL assume_abort_if_not(var_1_29 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L171] RET assume_abort_if_not(var_1_29 >= 32767) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L172] CALL assume_abort_if_not(var_1_29 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L172] RET assume_abort_if_not(var_1_29 <= 65534) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L198] RET updateVariables() [L199] CALL step() [L60] EXPR var_1_6 & 10000 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L60] signed long int stepLocal_0 = var_1_6 & 10000; [L61] EXPR (last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=19/4, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L61] COND TRUE ((last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9) < stepLocal_0 [L62] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L66] COND TRUE last_1_var_1_14 <= last_1_var_1_15 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=4, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L67] COND TRUE ((last_1_var_1_26 % var_1_6) * (last_1_var_1_17 / 1000000000u)) >= ((((10u) < (var_1_13)) ? (10u) : (var_1_13))) [L68] var_1_14 = var_1_13 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L75] COND FALSE !(last_1_var_1_20 > last_1_var_1_15) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=10] [L80] COND TRUE last_1_var_1_14 <= 16 [L81] var_1_9 = last_1_var_1_25 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L84] unsigned long int stepLocal_5 = (3423867512u - var_1_13) - var_1_24; [L85] signed long int stepLocal_4 = 8; VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_4=8, stepLocal_5=1276383865, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L86] EXPR last_1_var_1_17 & ((((last_1_var_1_25) < 0 ) ? -(last_1_var_1_25) : (last_1_var_1_25))) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_4=8, stepLocal_5=1276383865, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L86] COND TRUE stepLocal_4 > (last_1_var_1_17 & ((((last_1_var_1_25) < 0 ) ? -(last_1_var_1_25) : (last_1_var_1_25)))) [L87] COND FALSE !(var_1_8 >= last_1_var_1_18) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_4=8, stepLocal_5=1276383865, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L95] EXPR last_1_var_1_11 >> var_1_14 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_4=8, stepLocal_5=1276383865, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L95] COND FALSE !(! ((var_1_12 - var_1_13) <= (last_1_var_1_11 >> var_1_14))) [L98] signed char stepLocal_1 = var_1_13; VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_4=8, stepLocal_5=1276383865, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=259/4, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L99] COND TRUE (var_1_9 + var_1_25) >= stepLocal_1 [L100] var_1_18 = ((((var_1_7) > (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19))))) ? (var_1_7) : (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19)))))) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_4=8, stepLocal_5=1276383865, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=5, var_1_18=2, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L102] var_1_17 = var_1_13 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_4=8, stepLocal_5=1276383865, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=32, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L103] COND TRUE ! var_1_2 [L104] var_1_22 = (var_1_23 - var_1_25) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_4=8, stepLocal_5=1276383865, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=2147483645, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L108] COND FALSE !(var_1_7 >= 4.5) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_4=8, stepLocal_5=1276383865, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=2147483645, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=32, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L111] var_1_28 = (var_1_29 - (var_1_13 + ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) [L112] unsigned long int stepLocal_3 = var_1_22; [L113] signed char stepLocal_2 = var_1_13; VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_2=0, stepLocal_3=2147483645, stepLocal_4=8, stepLocal_5=1276383865, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=4, var_1_1=2, var_1_20=32, var_1_22=2147483645, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=65518, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L114] COND TRUE stepLocal_2 == (var_1_6 * (var_1_12 - 64)) [L115] var_1_20 = var_1_17 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_2=0, stepLocal_3=2147483645, stepLocal_4=8, stepLocal_5=1276383865, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=4, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=65518, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L125] unsigned long int stepLocal_7 = var_1_14; [L126] unsigned long int stepLocal_6 = var_1_23; VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_2=0, stepLocal_3=2147483645, stepLocal_4=8, stepLocal_5=1276383865, stepLocal_6=2147483647, stepLocal_7=0, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=4, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=65518, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L127] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, stepLocal_0=10000, stepLocal_1=0, stepLocal_2=0, stepLocal_3=2147483645, stepLocal_4=8, stepLocal_5=1276383865, stepLocal_6=2147483647, stepLocal_7=0, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=4, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=65518, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L199] RET step() [L200] CALL, EXPR property() [L189] EXPR (last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=4, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=65518, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L189] EXPR var_1_6 & 10000 VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=4, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=65518, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L189] EXPR (((((last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9) < (var_1_6 & 10000)) ? (var_1_1 == ((double) var_1_7)) : (var_1_1 == ((double) ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))))) && ((last_1_var_1_20 > last_1_var_1_15) ? ((last_1_var_1_1 < var_1_7) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1) : ((last_1_var_1_14 <= 16) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1))) && ((! ((var_1_12 - var_1_13) <= (last_1_var_1_11 >> var_1_14))) ? (var_1_11 == ((unsigned short int) var_1_13)) : 1) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=4, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=65518, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L189] EXPR ((((((((((((last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9) < (var_1_6 & 10000)) ? (var_1_1 == ((double) var_1_7)) : (var_1_1 == ((double) ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))))) && ((last_1_var_1_20 > last_1_var_1_15) ? ((last_1_var_1_1 < var_1_7) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1) : ((last_1_var_1_14 <= 16) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1))) && ((! ((var_1_12 - var_1_13) <= (last_1_var_1_11 >> var_1_14))) ? (var_1_11 == ((unsigned short int) var_1_13)) : 1)) && ((last_1_var_1_14 <= last_1_var_1_15) ? ((((last_1_var_1_26 % var_1_6) * (last_1_var_1_17 / 1000000000u)) >= ((((10u) < (var_1_13)) ? (10u) : (var_1_13)))) ? (var_1_14 == ((unsigned long int) var_1_13)) : (var_1_14 == ((unsigned long int) last_1_var_1_22))) : (var_1_14 == ((unsigned long int) last_1_var_1_26)))) && ((var_1_7 >= 4.5) ? (var_1_15 == ((signed short int) (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) - ((((var_1_13) > (var_1_25)) ? (var_1_13) : (var_1_25)))))) : 1)) && (var_1_17 == ((unsigned char) var_1_13))) && (((var_1_9 + var_1_25) >= var_1_13) ? (var_1_18 == ((double) ((((var_1_7) > (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19))))) ? (var_1_7) : (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19)))))))) : 1)) && ((var_1_13 == (var_1_6 * (var_1_12 - 64))) ? (var_1_20 == ((unsigned long int) var_1_17)) : ((! (var_1_7 <= (var_1_1 * var_1_8))) ? ((var_1_28 < var_1_22) ? (var_1_20 == ((unsigned long int) var_1_9)) : (var_1_20 == ((unsigned long int) var_1_9))) : 1))) && ((! var_1_2) ? (var_1_22 == ((unsigned long int) (var_1_23 - var_1_25))) : (var_1_22 == ((unsigned long int) (var_1_17 + (var_1_24 - var_1_9)))))) && ((8 > (last_1_var_1_17 & ((((last_1_var_1_25) < 0 ) ? -(last_1_var_1_25) : (last_1_var_1_25))))) ? ((var_1_8 >= last_1_var_1_18) ? ((((last_1_var_1_28 | last_1_var_1_25) + last_1_var_1_11) < ((3423867512u - var_1_13) - var_1_24)) ? (var_1_25 == ((unsigned char) var_1_13)) : 1) : 1) : (var_1_25 == ((unsigned char) var_1_13))) VAL [isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=4, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=65518, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L189-L190] return ((((((((((((((last_1_var_1_20 + last_1_var_1_15) | last_1_var_1_9) < (var_1_6 & 10000)) ? (var_1_1 == ((double) var_1_7)) : (var_1_1 == ((double) ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))))) && ((last_1_var_1_20 > last_1_var_1_15) ? ((last_1_var_1_1 < var_1_7) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1) : ((last_1_var_1_14 <= 16) ? (var_1_9 == ((unsigned short int) last_1_var_1_25)) : 1))) && ((! ((var_1_12 - var_1_13) <= (last_1_var_1_11 >> var_1_14))) ? (var_1_11 == ((unsigned short int) var_1_13)) : 1)) && ((last_1_var_1_14 <= last_1_var_1_15) ? ((((last_1_var_1_26 % var_1_6) * (last_1_var_1_17 / 1000000000u)) >= ((((10u) < (var_1_13)) ? (10u) : (var_1_13)))) ? (var_1_14 == ((unsigned long int) var_1_13)) : (var_1_14 == ((unsigned long int) last_1_var_1_22))) : (var_1_14 == ((unsigned long int) last_1_var_1_26)))) && ((var_1_7 >= 4.5) ? (var_1_15 == ((signed short int) (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) - ((((var_1_13) > (var_1_25)) ? (var_1_13) : (var_1_25)))))) : 1)) && (var_1_17 == ((unsigned char) var_1_13))) && (((var_1_9 + var_1_25) >= var_1_13) ? (var_1_18 == ((double) ((((var_1_7) > (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19))))) ? (var_1_7) : (((((var_1_8) > (var_1_19)) ? (var_1_8) : (var_1_19)))))))) : 1)) && ((var_1_13 == (var_1_6 * (var_1_12 - 64))) ? (var_1_20 == ((unsigned long int) var_1_17)) : ((! (var_1_7 <= (var_1_1 * var_1_8))) ? ((var_1_28 < var_1_22) ? (var_1_20 == ((unsigned long int) var_1_9)) : (var_1_20 == ((unsigned long int) var_1_9))) : 1))) && ((! var_1_2) ? (var_1_22 == ((unsigned long int) (var_1_23 - var_1_25))) : (var_1_22 == ((unsigned long int) (var_1_17 + (var_1_24 - var_1_9)))))) && ((8 > (last_1_var_1_17 & ((((last_1_var_1_25) < 0 ) ? -(last_1_var_1_25) : (last_1_var_1_25))))) ? ((var_1_8 >= last_1_var_1_18) ? ((((last_1_var_1_28 | last_1_var_1_25) + last_1_var_1_11) < ((3423867512u - var_1_13) - var_1_24)) ? (var_1_25 == ((unsigned char) var_1_13)) : 1) : 1) : (var_1_25 == ((unsigned char) var_1_13)))) && (var_1_2 ? ((var_1_23 >= var_1_25) ? (((var_1_25 - 10) <= var_1_14) ? (var_1_27 ? (var_1_26 == ((signed long int) (((((((((var_1_25) < (var_1_22)) ? (var_1_25) : (var_1_22)))) < (var_1_17)) ? (((((var_1_25) < (var_1_22)) ? (var_1_25) : (var_1_22)))) : (var_1_17))) + var_1_17))) : 1) : (var_1_26 == ((signed long int) ((((var_1_12) < (var_1_17)) ? (var_1_12) : (var_1_17)))))) : (var_1_26 == ((signed long int) ((-32 + var_1_22) + var_1_14)))) : 1)) && (var_1_28 == ((unsigned short int) (var_1_29 - (var_1_13 + ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))))) ; [L200] RET, EXPR property() [L200] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=4, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=65518, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10000, last_1_var_1_14=4, last_1_var_1_15=-16, last_1_var_1_17=5, last_1_var_1_18=259/4, last_1_var_1_1=19/4, last_1_var_1_20=32, last_1_var_1_22=32, last_1_var_1_25=2, last_1_var_1_26=4, last_1_var_1_28=32, last_1_var_1_9=10, var_1_11=10000, var_1_12=64, var_1_13=0, var_1_14=0, var_1_15=-16, var_1_17=0, var_1_18=2, var_1_19=4, var_1_1=2, var_1_20=0, var_1_22=2147483645, var_1_23=2147483647, var_1_24=2147483647, var_1_25=2, var_1_26=4, var_1_27=0, var_1_28=65518, var_1_29=65534, var_1_2=0, var_1_6=10000, var_1_7=2, var_1_8=3, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.6s, OverallIterations: 11, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2235 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2233 mSDsluCounter, 4452 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2944 mSDsCounter, 397 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 802 IncrementalHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 397 mSolverCounterUnsat, 1508 mSDtfsCounter, 802 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1660 GetRequests, 1616 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=654occurred in iteration=9, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 302 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 1809 NumberOfCodeBlocks, 1809 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1644 ConstructedInterpolants, 0 QuantifiedInterpolants, 8183 SizeOfPredicates, 24 NumberOfNonLiveVariables, 4209 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 8270/8360 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 02:30:14,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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 61d8b31ff1e9b7ded83368278938f158cc1aa40ff57fbd8a739b93a1e5cab26f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:30:18,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:30:18,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:30:18,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:30:18,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:30:18,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:30:18,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:30:18,229 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:30:18,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:30:18,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:30:18,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:30:18,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:30:18,239 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:30:18,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:30:18,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:30:18,242 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:30:18,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:30:18,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:30:18,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:30:18,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:30:18,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:30:18,246 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:30:18,246 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:30:18,247 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:30:18,247 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:30:18,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:30:18,248 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:30:18,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:30:18,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:30:18,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:30:18,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:18,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:30:18,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:30:18,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:30:18,253 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:30:18,254 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:30:18,254 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:30:18,254 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:30:18,254 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:30:18,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:30:18,256 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:30:18,256 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:30:18,257 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_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61d8b31ff1e9b7ded83368278938f158cc1aa40ff57fbd8a739b93a1e5cab26f [2023-11-12 02:30:18,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:30:18,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:30:18,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:30:18,799 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:30:18,800 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:30:18,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i [2023-11-12 02:30:22,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:30:22,678 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:30:22,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i [2023-11-12 02:30:22,690 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/data/692d17091/d915fbc15f92420a8a6b8e6a396e4d79/FLAG5685d9109 [2023-11-12 02:30:22,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/data/692d17091/d915fbc15f92420a8a6b8e6a396e4d79 [2023-11-12 02:30:22,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:30:22,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:30:22,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:22,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:30:22,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:30:22,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:22" (1/1) ... [2023-11-12 02:30:22,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17cda0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:22, skipping insertion in model container [2023-11-12 02:30:22,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:22" (1/1) ... [2023-11-12 02:30:22,764 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:30:22,934 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_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i[916,929] [2023-11-12 02:30:23,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:23,108 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:30:23,128 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_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-11.i[916,929] [2023-11-12 02:30:23,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:23,216 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:30:23,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:23 WrapperNode [2023-11-12 02:30:23,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:23,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:23,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:30:23,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:30:23,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:23" (1/1) ... [2023-11-12 02:30:23,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:23" (1/1) ... [2023-11-12 02:30:23,296 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2023-11-12 02:30:23,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:23,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:30:23,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:30:23,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:30:23,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:23" (1/1) ... [2023-11-12 02:30:23,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:23" (1/1) ... [2023-11-12 02:30:23,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:23" (1/1) ... [2023-11-12 02:30:23,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:23" (1/1) ... [2023-11-12 02:30:23,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:23" (1/1) ... [2023-11-12 02:30:23,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:23" (1/1) ... [2023-11-12 02:30:23,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:23" (1/1) ... [2023-11-12 02:30:23,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:23" (1/1) ... [2023-11-12 02:30:23,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:30:23,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:30:23,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:30:23,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:30:23,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:23" (1/1) ... [2023-11-12 02:30:23,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:23,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:23,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:23,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:30:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:30:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:30:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:30:23,497 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:30:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:30:23,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:30:23,603 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:30:23,605 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:30:28,457 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:30:28,465 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:30:28,465 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:30:28,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:28 BoogieIcfgContainer [2023-11-12 02:30:28,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:30:28,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:30:28,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:30:28,473 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:30:28,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:30:22" (1/3) ... [2023-11-12 02:30:28,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139caa9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:28, skipping insertion in model container [2023-11-12 02:30:28,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:23" (2/3) ... [2023-11-12 02:30:28,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139caa9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:28, skipping insertion in model container [2023-11-12 02:30:28,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:28" (3/3) ... [2023-11-12 02:30:28,477 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-11.i [2023-11-12 02:30:28,496 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:30:28,496 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:30:28,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:30:28,568 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;@294d3fa6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:30:28,569 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:30:28,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:30:28,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-12 02:30:28,596 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:28,598 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:28,601 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:28,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:28,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1299470666, now seen corresponding path program 1 times [2023-11-12 02:30:28,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:30:28,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2089200755] [2023-11-12 02:30:28,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:28,621 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 02:30:28,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:30:28,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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 02:30:28,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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 02:30:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:29,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:30:29,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:29,328 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2023-11-12 02:30:29,330 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:29,330 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:30:29,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2089200755] [2023-11-12 02:30:29,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2089200755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:29,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:29,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:30:29,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480415620] [2023-11-12 02:30:29,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:29,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:30:29,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:30:29,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:30:29,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:30:29,395 INFO L87 Difference]: Start difference. First operand has 76 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:30:29,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:29,455 INFO L93 Difference]: Finished difference Result 149 states and 253 transitions. [2023-11-12 02:30:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:30:29,458 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 136 [2023-11-12 02:30:29,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:29,470 INFO L225 Difference]: With dead ends: 149 [2023-11-12 02:30:29,471 INFO L226 Difference]: Without dead ends: 72 [2023-11-12 02:30:29,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 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 02:30:29,482 INFO L413 NwaCegarLoop]: 115 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, 115 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 02:30:29,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:30:29,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-12 02:30:29,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-12 02:30:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.42) internal successors, (71), 50 states have internal predecessors, (71), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:30:29,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 111 transitions. [2023-11-12 02:30:29,530 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 111 transitions. Word has length 136 [2023-11-12 02:30:29,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:29,530 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 111 transitions. [2023-11-12 02:30:29,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:30:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-12 02:30:29,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-12 02:30:29,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:29,536 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:29,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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)] Ended with exit code 0 [2023-11-12 02:30:29,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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 02:30:29,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:29,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:29,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1297244734, now seen corresponding path program 1 times [2023-11-12 02:30:29,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:30:29,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401122020] [2023-11-12 02:30:29,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:29,743 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 02:30:29,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:30:29,744 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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 02:30:29,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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 02:30:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:30,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:30:30,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:32,231 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:30:32,232 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:32,232 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:30:32,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401122020] [2023-11-12 02:30:32,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [401122020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:32,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:32,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:30:32,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24943985] [2023-11-12 02:30:32,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:32,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:30:32,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:30:32,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:30:32,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:30:32,247 INFO L87 Difference]: Start difference. First operand 72 states and 111 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:34,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:30:36,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:30:39,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:30:41,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:30:41,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:41,262 INFO L93 Difference]: Finished difference Result 211 states and 328 transitions. [2023-11-12 02:30:41,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:30:41,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 136 [2023-11-12 02:30:41,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:41,304 INFO L225 Difference]: With dead ends: 211 [2023-11-12 02:30:41,304 INFO L226 Difference]: Without dead ends: 142 [2023-11-12 02:30:41,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:30:41,307 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 70 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 42 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:41,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 296 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 29 Invalid, 4 Unknown, 0 Unchecked, 8.9s Time] [2023-11-12 02:30:41,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-12 02:30:41,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 114. [2023-11-12 02:30:41,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 71 states have internal predecessors, (95), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-12 02:30:41,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 175 transitions. [2023-11-12 02:30:41,385 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 175 transitions. Word has length 136 [2023-11-12 02:30:41,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:41,391 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 175 transitions. [2023-11-12 02:30:41,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-12 02:30:41,392 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 175 transitions. [2023-11-12 02:30:41,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-12 02:30:41,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:41,415 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:30:41,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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)] Ended with exit code 0 [2023-11-12 02:30:41,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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 02:30:41,636 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:41,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:41,637 INFO L85 PathProgramCache]: Analyzing trace with hash 835772284, now seen corresponding path program 1 times [2023-11-12 02:30:41,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:30:41,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324928472] [2023-11-12 02:30:41,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:41,638 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 02:30:41,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:30:41,639 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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 02:30:41,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62c3cc7-f504-4b37-a181-eacb3b4c9cba/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 02:30:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:42,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:30:42,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:30:43,805 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:43,805 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:30:43,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324928472] [2023-11-12 02:30:43,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1324928472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:43,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:43,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:30:43,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735751826] [2023-11-12 02:30:43,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:43,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:30:43,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:30:43,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:30:43,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:30:43,808 INFO L87 Difference]: Start difference. First operand 114 states and 175 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20)