./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya --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 02baa2e59f749b8f6a62bf588b2331b287a06a0eaebbebe18816d2b78fb71465 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:25:03,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:25:03,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:25:03,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:25:03,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:25:03,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:25:03,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:25:03,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:25:03,623 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:25:03,624 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:25:03,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:25:03,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:25:03,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:25:03,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:25:03,626 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:25:03,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:25:03,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:25:03,628 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:25:03,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:25:03,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:25:03,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:25:03,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:25:03,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:25:03,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:25:03,631 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:25:03,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:25:03,632 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:25:03,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:25:03,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:25:03,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:25:03,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:25:03,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:25:03,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:25:03,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:25:03,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:25:03,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:25:03,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:25:03,635 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:25:03,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:25:03,635 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:25:03,635 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:25:03,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:25:03,636 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_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02baa2e59f749b8f6a62bf588b2331b287a06a0eaebbebe18816d2b78fb71465 [2023-11-29 02:25:03,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:25:03,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:25:03,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:25:03,899 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:25:03,899 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:25:03,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i [2023-11-29 02:25:06,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:25:06,913 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:25:06,913 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i [2023-11-29 02:25:06,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/data/bf280338b/0f05cca920a74305be492014dce7c2a2/FLAG47d391bd6 [2023-11-29 02:25:06,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/data/bf280338b/0f05cca920a74305be492014dce7c2a2 [2023-11-29 02:25:06,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:25:06,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:25:06,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:25:06,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:25:06,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:25:06,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:25:06" (1/1) ... [2023-11-29 02:25:06,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145af9a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:06, skipping insertion in model container [2023-11-29 02:25:06,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:25:06" (1/1) ... [2023-11-29 02:25:06,972 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:25:07,089 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_6e28a993-c61a-4d3f-ba97-5f246c29af2c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i[917,930] [2023-11-29 02:25:07,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:25:07,152 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:25:07,162 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_6e28a993-c61a-4d3f-ba97-5f246c29af2c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i[917,930] [2023-11-29 02:25:07,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:25:07,203 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:25:07,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:07 WrapperNode [2023-11-29 02:25:07,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:25:07,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:25:07,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:25:07,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:25:07,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:07" (1/1) ... [2023-11-29 02:25:07,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:07" (1/1) ... [2023-11-29 02:25:07,250 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-11-29 02:25:07,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:25:07,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:25:07,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:25:07,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:25:07,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:07" (1/1) ... [2023-11-29 02:25:07,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:07" (1/1) ... [2023-11-29 02:25:07,264 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:07" (1/1) ... [2023-11-29 02:25:07,280 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 02:25:07,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:07" (1/1) ... [2023-11-29 02:25:07,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:07" (1/1) ... [2023-11-29 02:25:07,289 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:07" (1/1) ... [2023-11-29 02:25:07,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:07" (1/1) ... [2023-11-29 02:25:07,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:07" (1/1) ... [2023-11-29 02:25:07,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:07" (1/1) ... [2023-11-29 02:25:07,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:25:07,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:25:07,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:25:07,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:25:07,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:07" (1/1) ... [2023-11-29 02:25:07,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:25:07,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:25:07,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:25:07,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:25:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:25:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:25:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:25:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:25:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:25:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:25:07,443 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:25:07,445 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:25:07,777 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:25:07,811 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:25:07,812 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:25:07,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:25:07 BoogieIcfgContainer [2023-11-29 02:25:07,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:25:07,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:25:07,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:25:07,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:25:07,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:25:06" (1/3) ... [2023-11-29 02:25:07,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ddf87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:25:07, skipping insertion in model container [2023-11-29 02:25:07,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:07" (2/3) ... [2023-11-29 02:25:07,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ddf87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:25:07, skipping insertion in model container [2023-11-29 02:25:07,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:25:07" (3/3) ... [2023-11-29 02:25:07,820 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-74.i [2023-11-29 02:25:07,835 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:25:07,835 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:25:07,879 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:25:07,885 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;@35924f64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:25:07,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:25:07,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 49 states have internal predecessors, (68), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 02:25:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 02:25:07,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:25:07,908 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:25:07,909 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:25:07,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:25:07,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1659573907, now seen corresponding path program 1 times [2023-11-29 02:25:07,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:25:07,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484825348] [2023-11-29 02:25:07,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:07,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:25:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:25:08,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:25:08,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484825348] [2023-11-29 02:25:08,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 02:25:08,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753407] [2023-11-29 02:25:08,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:08,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:25:08,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:25:08,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:25:08,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:25:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:25:08,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:25:08,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:25:08,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2023-11-29 02:25:08,411 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:25:08,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753407] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:25:08,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:25:08,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:25:08,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132277584] [2023-11-29 02:25:08,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:25:08,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:25:08,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:25:08,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:25:08,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:25:08,449 INFO L87 Difference]: Start difference. First operand has 79 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 49 states have internal predecessors, (68), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 02:25:08,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:25:08,491 INFO L93 Difference]: Finished difference Result 155 states and 274 transitions. [2023-11-29 02:25:08,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:25:08,494 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2023-11-29 02:25:08,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:25:08,502 INFO L225 Difference]: With dead ends: 155 [2023-11-29 02:25:08,502 INFO L226 Difference]: Without dead ends: 77 [2023-11-29 02:25:08,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:25:08,510 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:25:08,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:25:08,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-29 02:25:08,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-29 02:25:08,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 47 states have internal predecessors, (63), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 02:25:08,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 119 transitions. [2023-11-29 02:25:08,560 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 119 transitions. Word has length 174 [2023-11-29 02:25:08,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:25:08,561 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 119 transitions. [2023-11-29 02:25:08,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 02:25:08,561 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 119 transitions. [2023-11-29 02:25:08,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 02:25:08,566 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:25:08,566 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:25:08,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-29 02:25:08,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 02:25:08,767 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:25:08,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:25:08,768 INFO L85 PathProgramCache]: Analyzing trace with hash 566573369, now seen corresponding path program 1 times [2023-11-29 02:25:08,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:25:08,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781438110] [2023-11-29 02:25:08,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:08,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:25:08,841 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:25:08,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [270069825] [2023-11-29 02:25:08,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:08,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:25:08,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:25:08,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:25:08,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:25:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:25:08,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 02:25:08,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:25:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 02:25:09,524 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:25:09,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:25:09,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781438110] [2023-11-29 02:25:09,524 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:25:09,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270069825] [2023-11-29 02:25:09,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270069825] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:25:09,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:25:09,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:25:09,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113223715] [2023-11-29 02:25:09,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:25:09,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:25:09,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:25:09,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:25:09,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:25:09,529 INFO L87 Difference]: Start difference. First operand 77 states and 119 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 02:25:09,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:25:09,633 INFO L93 Difference]: Finished difference Result 178 states and 275 transitions. [2023-11-29 02:25:09,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:25:09,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 174 [2023-11-29 02:25:09,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:25:09,637 INFO L225 Difference]: With dead ends: 178 [2023-11-29 02:25:09,637 INFO L226 Difference]: Without dead ends: 102 [2023-11-29 02:25:09,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:25:09,640 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 38 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:25:09,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 309 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:25:09,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-29 02:25:09,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 92. [2023-11-29 02:25:09,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 62 states have internal predecessors, (88), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 02:25:09,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 144 transitions. [2023-11-29 02:25:09,658 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 144 transitions. Word has length 174 [2023-11-29 02:25:09,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:25:09,660 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 144 transitions. [2023-11-29 02:25:09,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 02:25:09,660 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2023-11-29 02:25:09,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 02:25:09,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:25:09,664 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:25:09,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:25:09,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:25:09,867 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:25:09,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:25:09,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1052727058, now seen corresponding path program 1 times [2023-11-29 02:25:09,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:25:09,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375938667] [2023-11-29 02:25:09,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:09,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:25:09,926 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:25:09,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [567105616] [2023-11-29 02:25:09,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:09,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:25:09,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:25:09,928 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:25:09,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:25:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:25:10,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:25:10,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:25:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 02:25:10,611 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:25:10,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:25:10,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375938667] [2023-11-29 02:25:10,611 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:25:10,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567105616] [2023-11-29 02:25:10,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567105616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:25:10,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:25:10,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:25:10,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409466183] [2023-11-29 02:25:10,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:25:10,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:25:10,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:25:10,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:25:10,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:25:10,615 INFO L87 Difference]: Start difference. First operand 92 states and 144 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 02:25:10,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:25:10,766 INFO L93 Difference]: Finished difference Result 214 states and 330 transitions. [2023-11-29 02:25:10,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:25:10,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 175 [2023-11-29 02:25:10,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:25:10,770 INFO L225 Difference]: With dead ends: 214 [2023-11-29 02:25:10,770 INFO L226 Difference]: Without dead ends: 123 [2023-11-29 02:25:10,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:25:10,772 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 74 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:25:10,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 378 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:25:10,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-29 02:25:10,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 106. [2023-11-29 02:25:10,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 76 states have internal predecessors, (109), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 02:25:10,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 165 transitions. [2023-11-29 02:25:10,787 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 165 transitions. Word has length 175 [2023-11-29 02:25:10,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:25:10,788 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 165 transitions. [2023-11-29 02:25:10,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 02:25:10,789 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 165 transitions. [2023-11-29 02:25:10,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 02:25:10,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:25:10,791 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:25:10,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 02:25:10,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:25:10,998 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:25:10,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:25:10,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1962376560, now seen corresponding path program 1 times [2023-11-29 02:25:10,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:25:10,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131613407] [2023-11-29 02:25:11,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:11,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:25:11,042 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:25:11,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1835425472] [2023-11-29 02:25:11,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:11,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:25:11,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:25:11,044 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:25:11,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 02:25:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:25:11,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 02:25:11,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:25:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 02:25:11,393 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:25:11,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:25:11,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131613407] [2023-11-29 02:25:11,394 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:25:11,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835425472] [2023-11-29 02:25:11,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835425472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:25:11,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:25:11,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:25:11,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944362110] [2023-11-29 02:25:11,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:25:11,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:25:11,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:25:11,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:25:11,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:25:11,397 INFO L87 Difference]: Start difference. First operand 106 states and 165 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 02:25:11,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:25:11,506 INFO L93 Difference]: Finished difference Result 228 states and 348 transitions. [2023-11-29 02:25:11,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:25:11,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 175 [2023-11-29 02:25:11,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:25:11,509 INFO L225 Difference]: With dead ends: 228 [2023-11-29 02:25:11,510 INFO L226 Difference]: Without dead ends: 123 [2023-11-29 02:25:11,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:25:11,512 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 69 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:25:11,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 421 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:25:11,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-29 02:25:11,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 91. [2023-11-29 02:25:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 61 states have (on average 1.360655737704918) internal successors, (83), 61 states have internal predecessors, (83), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 02:25:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 139 transitions. [2023-11-29 02:25:11,524 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 139 transitions. Word has length 175 [2023-11-29 02:25:11,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:25:11,526 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 139 transitions. [2023-11-29 02:25:11,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 02:25:11,526 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 139 transitions. [2023-11-29 02:25:11,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 02:25:11,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:25:11,529 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:25:11,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 02:25:11,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-29 02:25:11,731 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:25:11,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:25:11,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1529823993, now seen corresponding path program 1 times [2023-11-29 02:25:11,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:25:11,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611006853] [2023-11-29 02:25:11,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:11,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:25:11,766 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:25:11,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375787632] [2023-11-29 02:25:11,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:11,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:25:11,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:25:11,767 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:25:11,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 02:25:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:25:12,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:25:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:25:12,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:25:12,434 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:25:12,436 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:25:12,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 02:25:12,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:25:12,641 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-29 02:25:12,645 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:25:12,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 02:25:12,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated [2023-11-29 02:25:12,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated [2023-11-29 02:25:12,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite23 could not be translated [2023-11-29 02:25:12,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated [2023-11-29 02:25:12,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite23 could not be translated [2023-11-29 02:25:12,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:25:12 BoogieIcfgContainer [2023-11-29 02:25:12,760 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:25:12,760 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:25:12,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:25:12,761 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:25:12,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:25:07" (3/4) ... [2023-11-29 02:25:12,763 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:25:12,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:25:12,765 INFO L158 Benchmark]: Toolchain (without parser) took 5826.28ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 114.5MB in the beginning and 134.1MB in the end (delta: -19.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-11-29 02:25:12,765 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:25:12,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.43ms. Allocated memory is still 155.2MB. Free memory was 114.0MB in the beginning and 100.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:25:12,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.81ms. Allocated memory is still 155.2MB. Free memory was 100.4MB in the beginning and 97.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:25:12,766 INFO L158 Benchmark]: Boogie Preprocessor took 49.43ms. Allocated memory is still 155.2MB. Free memory was 97.8MB in the beginning and 94.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:25:12,766 INFO L158 Benchmark]: RCFGBuilder took 511.31ms. Allocated memory is still 155.2MB. Free memory was 94.6MB in the beginning and 72.6MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 02:25:12,767 INFO L158 Benchmark]: TraceAbstraction took 4944.95ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 71.5MB in the beginning and 134.1MB in the end (delta: -62.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:25:12,767 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 190.8MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:25:12,769 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 155.2MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.43ms. Allocated memory is still 155.2MB. Free memory was 114.0MB in the beginning and 100.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.81ms. Allocated memory is still 155.2MB. Free memory was 100.4MB in the beginning and 97.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.43ms. Allocated memory is still 155.2MB. Free memory was 97.8MB in the beginning and 94.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 511.31ms. Allocated memory is still 155.2MB. Free memory was 94.6MB in the beginning and 72.6MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4944.95ms. Allocated memory was 155.2MB in the beginning and 190.8MB in the end (delta: 35.7MB). Free memory was 71.5MB in the beginning and 134.1MB in the end (delta: -62.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 190.8MB. Free memory is still 134.1MB. 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~short24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite23 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 someBinaryFLOATComparisonOperation at line 144, overapproximation of someBinaryDOUBLEComparisonOperation at line 144, overapproximation of someBinaryArithmeticFLOAToperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 64; [L23] signed long int var_1_2 = -1; [L24] signed long int var_1_3 = -2; [L25] unsigned char var_1_4 = 0; [L26] unsigned long int var_1_5 = 3914692693; [L27] unsigned long int var_1_6 = 32; [L28] unsigned long int var_1_7 = 1; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 50; [L33] signed long int var_1_12 = 25; [L34] signed long int var_1_13 = 1; [L35] float var_1_15 = 4.75; [L36] unsigned char var_1_16 = 100; [L37] float var_1_17 = 50.1; [L38] float var_1_18 = 100.9; [L39] float var_1_19 = 8.5; [L40] float var_1_20 = 10.625; [L41] float var_1_21 = 0.0; [L42] float var_1_22 = 7.8; [L43] float var_1_23 = 8.25; [L44] double var_1_24 = 5.5; [L148] isInitial = 1 [L149] FCALL initially() [L150] COND TRUE 1 [L151] FCALL updateLastVariables() [L152] CALL updateVariables() [L95] var_1_2 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=-2, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=-2, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L96] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=-2, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=-2, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=-2, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L97] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=-2, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L98] var_1_3 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L99] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L100] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L101] var_1_4 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L102] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L103] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3914692693, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L104] var_1_5 = __VERIFIER_nondet_ulong() [L105] CALL assume_abort_if_not(var_1_5 >= 3221225470) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L105] RET assume_abort_if_not(var_1_5 >= 3221225470) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L106] CALL assume_abort_if_not(var_1_5 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L106] RET assume_abort_if_not(var_1_5 <= 4294967294) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=32, var_1_7=1, var_1_8=0, var_1_9=0] [L107] var_1_6 = __VERIFIER_nondet_ulong() [L108] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L108] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_6 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L109] RET assume_abort_if_not(var_1_6 <= 1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=1, var_1_8=0, var_1_9=0] [L110] var_1_7 = __VERIFIER_nondet_ulong() [L111] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_8=0, var_1_9=0] [L111] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_8=0, var_1_9=0] [L112] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L112] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L113] var_1_9 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0] [L114] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0] [L115] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L115] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L116] var_1_10 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L117] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L118] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L118] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L119] var_1_12 = __VERIFIER_nondet_long() [L120] CALL assume_abort_if_not(var_1_12 >= 14) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L120] RET assume_abort_if_not(var_1_12 >= 14) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L121] CALL assume_abort_if_not(var_1_12 <= 29) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L121] RET assume_abort_if_not(var_1_12 <= 29) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L122] var_1_13 = __VERIFIER_nondet_long() [L123] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L123] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L124] CALL assume_abort_if_not(var_1_13 <= 14) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L124] RET assume_abort_if_not(var_1_13 <= 14) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L125] var_1_16 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L126] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L127] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L127] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L128] var_1_17 = __VERIFIER_nondet_float() [L129] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L129] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L130] var_1_19 = __VERIFIER_nondet_float() [L131] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L131] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L132] var_1_20 = __VERIFIER_nondet_float() [L133] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L133] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L134] var_1_21 = __VERIFIER_nondet_float() [L135] CALL assume_abort_if_not((var_1_21 >= 2305843.009213691390e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L135] RET assume_abort_if_not((var_1_21 >= 2305843.009213691390e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L136] var_1_22 = __VERIFIER_nondet_float() [L137] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L137] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_23=33/4, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L138] var_1_23 = __VERIFIER_nondet_float() [L139] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L139] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L152] RET updateVariables() [L153] CALL step() [L48] COND FALSE !(! (var_1_2 >= var_1_3)) [L55] var_1_1 = var_1_7 VAL [isInitial=1, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=2147483647, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L57] signed long int stepLocal_1 = var_1_3; [L58] signed long int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=2147483647, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L59] COND FALSE !(var_1_6 < stepLocal_0) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=2147483647, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L64] EXPR 5u << (var_1_12 - var_1_13) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=2147483647, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L64] unsigned long int stepLocal_3 = 5u << (var_1_12 - var_1_13); [L65] unsigned long int stepLocal_2 = var_1_7; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=2147483647, stepLocal_3=5, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=2147483647, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L66] COND FALSE !(! ((var_1_5 > var_1_7) || var_1_4)) [L77] var_1_11 = var_1_12 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=2147483647, stepLocal_3=5, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=2147483647, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L79] COND FALSE !(\read(var_1_10)) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=2147483647, stepLocal_3=5, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_18=1009/10, var_1_1=2147483647, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L84] COND FALSE !(\read(var_1_10)) [L87] var_1_18 = (((var_1_21 - var_1_22) - var_1_23) + var_1_20) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=2147483647, stepLocal_3=5, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_1=2147483647, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L89] signed long int stepLocal_4 = var_1_12 - var_1_11; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=2147483647, stepLocal_3=5, stepLocal_4=0, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_1=2147483647, var_1_24=11/2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L90] COND TRUE (~ var_1_3) <= stepLocal_4 [L91] var_1_24 = var_1_22 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, stepLocal_2=2147483647, stepLocal_3=5, stepLocal_4=0, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_1=2147483647, var_1_22=2, var_1_24=2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L153] RET step() [L154] CALL, EXPR property() [L144] EXPR (((! (var_1_2 >= var_1_3)) ? (var_1_4 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_6) - var_1_7))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_7))) && ((var_1_6 < var_1_3) ? ((var_1_3 <= var_1_6) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_4)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) VAL [isInitial=1, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_1=2147483647, var_1_22=2, var_1_24=2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L144] EXPR (! ((var_1_5 > var_1_7) || var_1_4)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12)) VAL [isInitial=1, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_1=2147483647, var_1_22=2, var_1_24=2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L144] EXPR (((! (var_1_2 >= var_1_3)) ? (var_1_4 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_6) - var_1_7))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_7))) && ((var_1_6 < var_1_3) ? ((var_1_3 <= var_1_6) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_4)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) VAL [isInitial=1, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_1=2147483647, var_1_22=2, var_1_24=2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L144-L145] return ((((((! (var_1_2 >= var_1_3)) ? (var_1_4 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_6) - var_1_7))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_7))) && ((var_1_6 < var_1_3) ? ((var_1_3 <= var_1_6) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_4)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12)))) && (var_1_10 ? ((var_1_11 > (var_1_6 / (var_1_12 + var_1_16))) ? (var_1_15 == ((float) var_1_17)) : 1) : 1)) && (var_1_10 ? (var_1_18 == ((float) (var_1_19 + var_1_20))) : (var_1_18 == ((float) (((var_1_21 - var_1_22) - var_1_23) + var_1_20))))) && (((~ var_1_3) <= (var_1_12 - var_1_11)) ? (var_1_24 == ((double) var_1_22)) : 1) ; [L154] RET, EXPR property() [L154] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_1=2147483647, var_1_22=2, var_1_24=2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=127, var_1_1=2147483647, var_1_22=2, var_1_24=2, var_1_2=0, var_1_3=0, var_1_4=1, var_1_5=3221225470, var_1_6=0, var_1_7=2147483647, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 181 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 1224 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 705 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 213 IncrementalHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 519 mSDtfsCounter, 213 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 699 GetRequests, 686 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=3, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 59 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1048 NumberOfCodeBlocks, 1048 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 694 ConstructedInterpolants, 0 QuantifiedInterpolants, 1058 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1547 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6048/6048 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 [2023-11-29 02:25:12,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya --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 02baa2e59f749b8f6a62bf588b2331b287a06a0eaebbebe18816d2b78fb71465 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:25:14,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:25:14,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:25:14,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:25:14,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:25:14,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:25:14,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:25:14,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:25:14,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:25:14,817 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:25:14,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:25:14,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:25:14,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:25:14,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:25:14,820 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:25:14,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:25:14,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:25:14,822 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:25:14,823 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:25:14,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:25:14,824 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:25:14,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:25:14,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:25:14,825 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:25:14,826 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:25:14,826 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:25:14,827 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:25:14,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:25:14,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:25:14,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:25:14,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:25:14,829 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:25:14,829 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:25:14,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:25:14,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:25:14,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:25:14,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:25:14,830 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:25:14,831 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:25:14,831 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:25:14,831 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:25:14,831 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:25:14,831 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:25:14,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:25:14,832 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:25:14,832 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_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02baa2e59f749b8f6a62bf588b2331b287a06a0eaebbebe18816d2b78fb71465 [2023-11-29 02:25:15,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:25:15,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:25:15,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:25:15,161 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:25:15,161 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:25:15,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i [2023-11-29 02:25:17,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:25:18,145 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:25:18,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i [2023-11-29 02:25:18,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/data/e11c9fd86/4dd48fb20bd04077a9e9a4339be6aee9/FLAGf81d16799 [2023-11-29 02:25:18,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/data/e11c9fd86/4dd48fb20bd04077a9e9a4339be6aee9 [2023-11-29 02:25:18,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:25:18,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:25:18,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:25:18,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:25:18,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:25:18,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:25:18" (1/1) ... [2023-11-29 02:25:18,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4974d917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18, skipping insertion in model container [2023-11-29 02:25:18,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:25:18" (1/1) ... [2023-11-29 02:25:18,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:25:18,332 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_6e28a993-c61a-4d3f-ba97-5f246c29af2c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i[917,930] [2023-11-29 02:25:18,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:25:18,400 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:25:18,411 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_6e28a993-c61a-4d3f-ba97-5f246c29af2c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-74.i[917,930] [2023-11-29 02:25:18,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:25:18,470 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:25:18,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18 WrapperNode [2023-11-29 02:25:18,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:25:18,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:25:18,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:25:18,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:25:18,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18" (1/1) ... [2023-11-29 02:25:18,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18" (1/1) ... [2023-11-29 02:25:18,542 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2023-11-29 02:25:18,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:25:18,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:25:18,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:25:18,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:25:18,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18" (1/1) ... [2023-11-29 02:25:18,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18" (1/1) ... [2023-11-29 02:25:18,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18" (1/1) ... [2023-11-29 02:25:18,574 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 02:25:18,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18" (1/1) ... [2023-11-29 02:25:18,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18" (1/1) ... [2023-11-29 02:25:18,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18" (1/1) ... [2023-11-29 02:25:18,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18" (1/1) ... [2023-11-29 02:25:18,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18" (1/1) ... [2023-11-29 02:25:18,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18" (1/1) ... [2023-11-29 02:25:18,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:25:18,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:25:18,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:25:18,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:25:18,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18" (1/1) ... [2023-11-29 02:25:18,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:25:18,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:25:18,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:25:18,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:25:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:25:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:25:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:25:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:25:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:25:18,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:25:18,777 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:25:18,779 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:25:22,181 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:25:22,226 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:25:22,226 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:25:22,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:25:22 BoogieIcfgContainer [2023-11-29 02:25:22,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:25:22,229 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:25:22,229 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:25:22,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:25:22,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:25:18" (1/3) ... [2023-11-29 02:25:22,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b396ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:25:22, skipping insertion in model container [2023-11-29 02:25:22,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:25:18" (2/3) ... [2023-11-29 02:25:22,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b396ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:25:22, skipping insertion in model container [2023-11-29 02:25:22,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:25:22" (3/3) ... [2023-11-29 02:25:22,235 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-74.i [2023-11-29 02:25:22,251 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:25:22,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:25:22,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:25:22,299 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;@d923a43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:25:22,300 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:25:22,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 02:25:22,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 02:25:22,318 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:25:22,319 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:25:22,320 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:25:22,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:25:22,325 INFO L85 PathProgramCache]: Analyzing trace with hash -33743380, now seen corresponding path program 1 times [2023-11-29 02:25:22,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:25:22,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080651941] [2023-11-29 02:25:22,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:22,337 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 [2023-11-29 02:25:22,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:25:22,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:25:22,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:25:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:25:22,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:25:22,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:25:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2023-11-29 02:25:22,801 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:25:22,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:25:22,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080651941] [2023-11-29 02:25:22,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080651941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:25:22,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:25:22,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:25:22,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747782658] [2023-11-29 02:25:22,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:25:22,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:25:22,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:25:22,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:25:22,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:25:22,837 INFO L87 Difference]: Start difference. First operand has 72 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 02:25:24,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:25:24,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:25:24,724 INFO L93 Difference]: Finished difference Result 141 states and 252 transitions. [2023-11-29 02:25:24,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:25:24,746 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 171 [2023-11-29 02:25:24,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:25:24,752 INFO L225 Difference]: With dead ends: 141 [2023-11-29 02:25:24,752 INFO L226 Difference]: Without dead ends: 70 [2023-11-29 02:25:24,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:25:24,757 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:25:24,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 02:25:24,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-29 02:25:24,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-29 02:25:24,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 02:25:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 108 transitions. [2023-11-29 02:25:24,794 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 108 transitions. Word has length 171 [2023-11-29 02:25:24,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:25:24,795 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 108 transitions. [2023-11-29 02:25:24,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 02:25:24,795 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2023-11-29 02:25:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 02:25:24,798 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:25:24,798 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:25:24,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:25:24,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:25:24,999 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:25:25,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:25:25,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1501020576, now seen corresponding path program 1 times [2023-11-29 02:25:25,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:25:25,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477588059] [2023-11-29 02:25:25,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:25,002 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 [2023-11-29 02:25:25,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:25:25,003 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:25:25,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:25:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:25:25,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:25:25,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:25:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 777 proven. 36 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2023-11-29 02:25:25,825 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:25:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-29 02:25:26,164 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:25:26,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477588059] [2023-11-29 02:25:26,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1477588059] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:25:26,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:25:26,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-29 02:25:26,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990035784] [2023-11-29 02:25:26,166 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:25:26,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:25:26,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:25:26,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:25:26,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:25:26,170 INFO L87 Difference]: Start difference. First operand 70 states and 108 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-11-29 02:25:29,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:25:29,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:25:29,540 INFO L93 Difference]: Finished difference Result 146 states and 220 transitions. [2023-11-29 02:25:29,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:25:29,569 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 171 [2023-11-29 02:25:29,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:25:29,572 INFO L225 Difference]: With dead ends: 146 [2023-11-29 02:25:29,572 INFO L226 Difference]: Without dead ends: 77 [2023-11-29 02:25:29,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 334 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:25:29,575 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 76 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:25:29,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 145 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 02:25:29,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-29 02:25:29,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2023-11-29 02:25:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 42 states have (on average 1.2142857142857142) internal successors, (51), 42 states have internal predecessors, (51), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 02:25:29,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2023-11-29 02:25:29,597 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 171 [2023-11-29 02:25:29,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:25:29,599 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2023-11-29 02:25:29,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-11-29 02:25:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2023-11-29 02:25:29,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 02:25:29,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:25:29,604 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:25:29,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:25:29,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:25:29,805 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:25:29,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:25:29,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1558278878, now seen corresponding path program 1 times [2023-11-29 02:25:29,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:25:29,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958245150] [2023-11-29 02:25:29,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:29,807 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 [2023-11-29 02:25:29,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:25:29,808 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:25:29,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:25:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:25:30,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 02:25:30,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:25:31,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 1005 proven. 108 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-29 02:25:31,683 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:25:32,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:25:32,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958245150] [2023-11-29 02:25:32,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958245150] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:25:32,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [283274367] [2023-11-29 02:25:32,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:32,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 02:25:32,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 02:25:32,150 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 02:25:32,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-29 02:25:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:25:33,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 02:25:33,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:25:34,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 1005 proven. 108 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-29 02:25:34,522 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:25:34,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [283274367] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:25:34,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:25:34,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2023-11-29 02:25:34,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447464484] [2023-11-29 02:25:34,623 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:25:34,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:25:34,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:25:34,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:25:34,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2023-11-29 02:25:34,625 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 14 states have internal predecessors, (49), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2023-11-29 02:25:37,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 02:25:40,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:25:40,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:25:40,904 INFO L93 Difference]: Finished difference Result 203 states and 275 transitions. [2023-11-29 02:25:40,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 02:25:40,904 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 14 states have internal predecessors, (49), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 171 [2023-11-29 02:25:40,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:25:40,907 INFO L225 Difference]: With dead ends: 203 [2023-11-29 02:25:40,907 INFO L226 Difference]: Without dead ends: 131 [2023-11-29 02:25:40,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=277, Invalid=913, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 02:25:40,909 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 149 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:25:40,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 275 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-29 02:25:40,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-29 02:25:40,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 107. [2023-11-29 02:25:40,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.2) internal successors, (84), 71 states have internal predecessors, (84), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 02:25:40,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 144 transitions. [2023-11-29 02:25:40,922 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 144 transitions. Word has length 171 [2023-11-29 02:25:40,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:25:40,923 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 144 transitions. [2023-11-29 02:25:40,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 14 states have internal predecessors, (49), 4 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2023-11-29 02:25:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 144 transitions. [2023-11-29 02:25:40,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 02:25:40,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:25:40,926 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:25:40,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-29 02:25:41,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 02:25:41,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 02:25:41,327 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:25:41,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:25:41,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1558219296, now seen corresponding path program 1 times [2023-11-29 02:25:41,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:25:41,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348516642] [2023-11-29 02:25:41,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:25:41,328 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 [2023-11-29 02:25:41,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:25:41,329 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 02:25:41,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e28a993-c61a-4d3f-ba97-5f246c29af2c/bin/uautomizer-verify-BQ2R08f2Ya/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 (6)] Waiting until timeout for monitored process [2023-11-29 02:25:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:25:41,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 02:25:41,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:26:27,945 WARN L293 SmtUtils]: Spent 18.09s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 02:27:55,171 WARN L293 SmtUtils]: Spent 29.46s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)