./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.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_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/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_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/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_d606263b-4cdb-435f-be00-c1036a59191a/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 e6926b4c4456cf40fd2f7cdafc9f778396b8eaa34456b24490dcf7ecaf227025 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:48:45,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:48:45,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:48:45,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:48:45,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:48:45,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:48:45,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:48:45,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:48:45,094 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:48:45,095 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:48:45,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:48:45,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:48:45,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:48:45,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:48:45,098 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:48:45,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:48:45,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:48:45,099 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:48:45,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:48:45,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:48:45,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:48:45,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:48:45,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:48:45,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:48:45,102 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:48:45,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:48:45,103 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:48:45,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:48:45,103 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:48:45,104 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:48:45,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:48:45,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:48:45,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:48:45,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:48:45,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:48:45,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:48:45,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:48:45,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:48:45,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:48:45,106 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:48:45,106 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:48:45,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:48:45,107 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_d606263b-4cdb-435f-be00-c1036a59191a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6926b4c4456cf40fd2f7cdafc9f778396b8eaa34456b24490dcf7ecaf227025 [2023-11-29 06:48:45,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:48:45,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:48:45,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:48:45,351 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:48:45,352 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:48:45,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i [2023-11-29 06:48:48,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:48:48,304 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:48:48,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i [2023-11-29 06:48:48,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/data/2a62c7dac/b5a1e941fe6744c59a0dee17d597f4fc/FLAGc604c813c [2023-11-29 06:48:48,328 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/data/2a62c7dac/b5a1e941fe6744c59a0dee17d597f4fc [2023-11-29 06:48:48,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:48:48,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:48:48,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:48:48,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:48:48,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:48:48,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:48:48" (1/1) ... [2023-11-29 06:48:48,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cca5736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48, skipping insertion in model container [2023-11-29 06:48:48,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:48:48" (1/1) ... [2023-11-29 06:48:48,367 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:48:48,486 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_d606263b-4cdb-435f-be00-c1036a59191a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i[917,930] [2023-11-29 06:48:48,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:48:48,554 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:48:48,564 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_d606263b-4cdb-435f-be00-c1036a59191a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i[917,930] [2023-11-29 06:48:48,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:48:48,613 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:48:48,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48 WrapperNode [2023-11-29 06:48:48,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:48:48,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:48:48,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:48:48,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:48:48,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48" (1/1) ... [2023-11-29 06:48:48,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48" (1/1) ... [2023-11-29 06:48:48,671 INFO L138 Inliner]: procedures = 26, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 372 [2023-11-29 06:48:48,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:48:48,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:48:48,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:48:48,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:48:48,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48" (1/1) ... [2023-11-29 06:48:48,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48" (1/1) ... [2023-11-29 06:48:48,689 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48" (1/1) ... [2023-11-29 06:48:48,710 INFO L175 MemorySlicer]: Split 119 memory accesses to 5 slices as follows [2, 11, 57, 13, 36]. 48 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 2, 5, 2, 4]. The 17 writes are split as follows [0, 2, 7, 4, 4]. [2023-11-29 06:48:48,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48" (1/1) ... [2023-11-29 06:48:48,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48" (1/1) ... [2023-11-29 06:48:48,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48" (1/1) ... [2023-11-29 06:48:48,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48" (1/1) ... [2023-11-29 06:48:48,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48" (1/1) ... [2023-11-29 06:48:48,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48" (1/1) ... [2023-11-29 06:48:48,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:48:48,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:48:48,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:48:48,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:48:48,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48" (1/1) ... [2023-11-29 06:48:48,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:48:48,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:48:48,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:48:48,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:48:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:48:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:48:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:48:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:48:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 06:48:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 06:48:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:48:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:48:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:48:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 06:48:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 06:48:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:48:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:48:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:48:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:48:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 06:48:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 06:48:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 06:48:48,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:48:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:48:48,929 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:48:48,931 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:48:49,320 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:48:49,370 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:48:49,370 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:48:49,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:48:49 BoogieIcfgContainer [2023-11-29 06:48:49,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:48:49,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:48:49,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:48:49,377 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:48:49,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:48:48" (1/3) ... [2023-11-29 06:48:49,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ee7319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:48:49, skipping insertion in model container [2023-11-29 06:48:49,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:48:48" (2/3) ... [2023-11-29 06:48:49,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ee7319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:48:49, skipping insertion in model container [2023-11-29 06:48:49,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:48:49" (3/3) ... [2023-11-29 06:48:49,380 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-87.i [2023-11-29 06:48:49,399 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:48:49,400 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:48:49,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:48:49,449 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;@4a33513a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:48:49,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:48:49,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 64 states have internal predecessors, (89), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 06:48:49,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-29 06:48:49,466 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:48:49,467 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:49,467 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:48:49,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:48:49,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1048281815, now seen corresponding path program 1 times [2023-11-29 06:48:49,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:48:49,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417404994] [2023-11-29 06:48:49,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:49,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:48:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:48:49,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:48:49,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417404994] [2023-11-29 06:48:49,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 06:48:49,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643869700] [2023-11-29 06:48:49,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:49,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:48:49,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:48:49,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:48:49,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:48:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:48:49,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:48:49,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:48:49,932 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2023-11-29 06:48:49,932 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:48:49,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643869700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:48:49,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:48:49,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:48:49,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044926658] [2023-11-29 06:48:49,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:48:49,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:48:49,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:48:49,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:48:49,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:48:49,971 INFO L87 Difference]: Start difference. First operand has 80 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 64 states have internal predecessors, (89), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 06:48:50,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:48:50,010 INFO L93 Difference]: Finished difference Result 157 states and 246 transitions. [2023-11-29 06:48:50,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:48:50,015 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 106 [2023-11-29 06:48:50,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:48:50,023 INFO L225 Difference]: With dead ends: 157 [2023-11-29 06:48:50,023 INFO L226 Difference]: Without dead ends: 78 [2023-11-29 06:48:50,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 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 06:48:50,031 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:48:50,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:48:50,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-29 06:48:50,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-29 06:48:50,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 62 states have internal predecessors, (82), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 06:48:50,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2023-11-29 06:48:50,079 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 106 [2023-11-29 06:48:50,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:48:50,079 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2023-11-29 06:48:50,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 06:48:50,080 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2023-11-29 06:48:50,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-29 06:48:50,084 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:48:50,085 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:50,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:48:50,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 06:48:50,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:48:50,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:48:50,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1066144699, now seen corresponding path program 1 times [2023-11-29 06:48:50,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:48:50,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864641907] [2023-11-29 06:48:50,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:50,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:48:50,369 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:48:50,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [384812504] [2023-11-29 06:48:50,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:50,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:48:50,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:48:50,371 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:48:50,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:48:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:48:50,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:48:50,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:48:50,626 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:48:50,626 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:48:50,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:48:50,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864641907] [2023-11-29 06:48:50,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:48:50,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384812504] [2023-11-29 06:48:50,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384812504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:48:50,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:48:50,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:48:50,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967624290] [2023-11-29 06:48:50,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:48:50,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:48:50,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:48:50,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:48:50,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:48:50,630 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:48:50,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:48:50,685 INFO L93 Difference]: Finished difference Result 167 states and 236 transitions. [2023-11-29 06:48:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:48:50,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 106 [2023-11-29 06:48:50,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:48:50,691 INFO L225 Difference]: With dead ends: 167 [2023-11-29 06:48:50,692 INFO L226 Difference]: Without dead ends: 90 [2023-11-29 06:48:50,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 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 06:48:50,694 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 21 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:48:50,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 309 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:48:50,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-29 06:48:50,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 80. [2023-11-29 06:48:50,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 64 states have (on average 1.3125) internal successors, (84), 64 states have internal predecessors, (84), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 06:48:50,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 112 transitions. [2023-11-29 06:48:50,709 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 112 transitions. Word has length 106 [2023-11-29 06:48:50,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:48:50,711 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 112 transitions. [2023-11-29 06:48:50,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:48:50,712 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2023-11-29 06:48:50,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-29 06:48:50,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:48:50,714 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:50,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 06:48:50,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-29 06:48:50,917 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:48:50,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:48:50,918 INFO L85 PathProgramCache]: Analyzing trace with hash 256798073, now seen corresponding path program 1 times [2023-11-29 06:48:50,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:48:50,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79769118] [2023-11-29 06:48:50,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:50,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:48:50,983 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:48:50,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [595455438] [2023-11-29 06:48:50,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:50,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:48:50,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:48:50,985 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:48:50,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:48:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:48:51,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:48:51,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:48:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:48:51,191 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:48:51,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:48:51,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79769118] [2023-11-29 06:48:51,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:48:51,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595455438] [2023-11-29 06:48:51,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595455438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:48:51,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:48:51,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:48:51,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466125610] [2023-11-29 06:48:51,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:48:51,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:48:51,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:48:51,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:48:51,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:48:51,195 INFO L87 Difference]: Start difference. First operand 80 states and 112 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:48:51,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:48:51,240 INFO L93 Difference]: Finished difference Result 167 states and 234 transitions. [2023-11-29 06:48:51,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:48:51,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 106 [2023-11-29 06:48:51,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:48:51,243 INFO L225 Difference]: With dead ends: 167 [2023-11-29 06:48:51,243 INFO L226 Difference]: Without dead ends: 88 [2023-11-29 06:48:51,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 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 06:48:51,246 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 12 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:48:51,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 307 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:48:51,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-29 06:48:51,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 82. [2023-11-29 06:48:51,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 66 states have (on average 1.303030303030303) internal successors, (86), 66 states have internal predecessors, (86), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 06:48:51,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 114 transitions. [2023-11-29 06:48:51,259 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 114 transitions. Word has length 106 [2023-11-29 06:48:51,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:48:51,260 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 114 transitions. [2023-11-29 06:48:51,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:48:51,261 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2023-11-29 06:48:51,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-29 06:48:51,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:48:51,263 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:51,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:48:51,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:48:51,468 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:48:51,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:48:51,469 INFO L85 PathProgramCache]: Analyzing trace with hash 314056375, now seen corresponding path program 1 times [2023-11-29 06:48:51,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:48:51,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390714812] [2023-11-29 06:48:51,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:51,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:48:51,523 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:48:51,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1452511400] [2023-11-29 06:48:51,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:51,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:48:51,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:48:51,526 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:48:51,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 06:48:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:48:51,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:48:51,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:48:51,729 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:48:51,729 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:48:51,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:48:51,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390714812] [2023-11-29 06:48:51,729 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:48:51,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452511400] [2023-11-29 06:48:51,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452511400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:48:51,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:48:51,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:48:51,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113624198] [2023-11-29 06:48:51,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:48:51,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:48:51,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:48:51,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:48:51,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:48:51,732 INFO L87 Difference]: Start difference. First operand 82 states and 114 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:48:51,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:48:51,772 INFO L93 Difference]: Finished difference Result 167 states and 232 transitions. [2023-11-29 06:48:51,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:48:51,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 106 [2023-11-29 06:48:51,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:48:51,774 INFO L225 Difference]: With dead ends: 167 [2023-11-29 06:48:51,774 INFO L226 Difference]: Without dead ends: 86 [2023-11-29 06:48:51,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 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 06:48:51,776 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 3 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:48:51,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 307 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:48:51,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-29 06:48:51,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2023-11-29 06:48:51,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 68 states have (on average 1.2941176470588236) internal successors, (88), 68 states have internal predecessors, (88), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 06:48:51,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 116 transitions. [2023-11-29 06:48:51,788 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 116 transitions. Word has length 106 [2023-11-29 06:48:51,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:48:51,789 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 116 transitions. [2023-11-29 06:48:51,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:48:51,789 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2023-11-29 06:48:51,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-29 06:48:51,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:48:51,791 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:51,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 06:48:51,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:48:51,997 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:48:51,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:48:51,998 INFO L85 PathProgramCache]: Analyzing trace with hash 314115957, now seen corresponding path program 1 times [2023-11-29 06:48:51,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:48:51,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875874375] [2023-11-29 06:48:51,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:51,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:48:52,041 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:48:52,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [46287513] [2023-11-29 06:48:52,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:52,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:48:52,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:48:52,044 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:48:52,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 06:48:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:48:52,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:48:52,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:48:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:48:52,277 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:48:52,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:48:52,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875874375] [2023-11-29 06:48:52,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:48:52,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46287513] [2023-11-29 06:48:52,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46287513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:48:52,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:48:52,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:48:52,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136900033] [2023-11-29 06:48:52,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:48:52,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:48:52,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:48:52,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:48:52,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:48:52,281 INFO L87 Difference]: Start difference. First operand 84 states and 116 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:48:52,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:48:52,324 INFO L93 Difference]: Finished difference Result 196 states and 271 transitions. [2023-11-29 06:48:52,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:48:52,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 106 [2023-11-29 06:48:52,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:48:52,327 INFO L225 Difference]: With dead ends: 196 [2023-11-29 06:48:52,327 INFO L226 Difference]: Without dead ends: 113 [2023-11-29 06:48:52,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 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 06:48:52,329 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 55 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:48:52,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 295 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:48:52,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-29 06:48:52,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 86. [2023-11-29 06:48:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 70 states have internal predecessors, (90), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 06:48:52,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 118 transitions. [2023-11-29 06:48:52,340 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 118 transitions. Word has length 106 [2023-11-29 06:48:52,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:48:52,341 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 118 transitions. [2023-11-29 06:48:52,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:48:52,341 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2023-11-29 06:48:52,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 06:48:52,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:48:52,343 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:52,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 06:48:52,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:48:52,550 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:48:52,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:48:52,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1026018449, now seen corresponding path program 1 times [2023-11-29 06:48:52,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:48:52,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407437500] [2023-11-29 06:48:52,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:52,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:48:52,598 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:48:52,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [234544845] [2023-11-29 06:48:52,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:52,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:48:52,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:48:52,600 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:48:52,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 06:48:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:48:52,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 06:48:52,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:48:53,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:48:53,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2023-11-29 06:48:53,422 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:48:53,422 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:48:53,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:48:53,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407437500] [2023-11-29 06:48:53,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:48:53,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234544845] [2023-11-29 06:48:53,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234544845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:48:53,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:48:53,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 06:48:53,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218601184] [2023-11-29 06:48:53,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:48:53,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 06:48:53,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:48:53,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 06:48:53,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:48:53,425 INFO L87 Difference]: Start difference. First operand 86 states and 118 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:48:54,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:48:54,008 INFO L93 Difference]: Finished difference Result 285 states and 386 transitions. [2023-11-29 06:48:54,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 06:48:54,009 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 108 [2023-11-29 06:48:54,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:48:54,012 INFO L225 Difference]: With dead ends: 285 [2023-11-29 06:48:54,012 INFO L226 Difference]: Without dead ends: 200 [2023-11-29 06:48:54,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2023-11-29 06:48:54,014 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 301 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:48:54,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 514 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 06:48:54,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2023-11-29 06:48:54,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 137. [2023-11-29 06:48:54,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.2966101694915255) internal successors, (153), 119 states have internal predecessors, (153), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 06:48:54,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 185 transitions. [2023-11-29 06:48:54,031 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 185 transitions. Word has length 108 [2023-11-29 06:48:54,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:48:54,032 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 185 transitions. [2023-11-29 06:48:54,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:48:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 185 transitions. [2023-11-29 06:48:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 06:48:54,034 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:48:54,034 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:54,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 06:48:54,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:48:54,237 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:48:54,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:48:54,237 INFO L85 PathProgramCache]: Analyzing trace with hash 291343612, now seen corresponding path program 1 times [2023-11-29 06:48:54,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:48:54,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166129954] [2023-11-29 06:48:54,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:54,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:48:54,272 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:48:54,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1395239055] [2023-11-29 06:48:54,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:54,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:48:54,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:48:54,274 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:48:54,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 06:48:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:48:54,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:48:54,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:48:54,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 06:48:54,492 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:48:54,492 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:48:54,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:48:54,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166129954] [2023-11-29 06:48:54,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:48:54,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395239055] [2023-11-29 06:48:54,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395239055] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:48:54,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:48:54,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:48:54,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349237895] [2023-11-29 06:48:54,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:48:54,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:48:54,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:48:54,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:48:54,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:48:54,496 INFO L87 Difference]: Start difference. First operand 137 states and 185 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:48:54,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:48:54,553 INFO L93 Difference]: Finished difference Result 416 states and 563 transitions. [2023-11-29 06:48:54,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:48:54,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 108 [2023-11-29 06:48:54,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:48:54,557 INFO L225 Difference]: With dead ends: 416 [2023-11-29 06:48:54,557 INFO L226 Difference]: Without dead ends: 280 [2023-11-29 06:48:54,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:48:54,558 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 116 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:48:54,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 410 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:48:54,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2023-11-29 06:48:54,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 154. [2023-11-29 06:48:54,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 135 states have (on average 1.3185185185185184) internal successors, (178), 136 states have internal predecessors, (178), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 06:48:54,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2023-11-29 06:48:54,573 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 108 [2023-11-29 06:48:54,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:48:54,574 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2023-11-29 06:48:54,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:48:54,574 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2023-11-29 06:48:54,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 06:48:54,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:48:54,576 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:54,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-29 06:48:54,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 06:48:54,777 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:48:54,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:48:54,778 INFO L85 PathProgramCache]: Analyzing trace with hash 824266560, now seen corresponding path program 1 times [2023-11-29 06:48:54,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:48:54,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373317831] [2023-11-29 06:48:54,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:54,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:48:54,811 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:48:54,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1335702736] [2023-11-29 06:48:54,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:54,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:48:54,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:48:54,813 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:48:54,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 06:48:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:48:54,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 06:48:54,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:48:55,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 06:48:55,642 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 06:48:55,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2023-11-29 06:48:55,696 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 06:48:55,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 12 [2023-11-29 06:48:55,717 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 13 proven. 39 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 06:48:55,717 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:48:55,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2023-11-29 06:48:56,036 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-29 06:48:56,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:48:56,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373317831] [2023-11-29 06:48:56,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:48:56,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335702736] [2023-11-29 06:48:56,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335702736] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:48:56,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:48:56,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-29 06:48:56,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534435576] [2023-11-29 06:48:56,037 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:48:56,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 06:48:56,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:48:56,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 06:48:56,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:48:56,039 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand has 16 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 4 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2023-11-29 06:48:56,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:48:56,543 INFO L93 Difference]: Finished difference Result 314 states and 424 transitions. [2023-11-29 06:48:56,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:48:56,544 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 4 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 109 [2023-11-29 06:48:56,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:48:56,545 INFO L225 Difference]: With dead ends: 314 [2023-11-29 06:48:56,546 INFO L226 Difference]: Without dead ends: 144 [2023-11-29 06:48:56,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2023-11-29 06:48:56,547 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 355 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:48:56,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 376 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:48:56,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-29 06:48:56,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 141. [2023-11-29 06:48:56,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 120 states have (on average 1.2666666666666666) internal successors, (152), 121 states have internal predecessors, (152), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 06:48:56,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 184 transitions. [2023-11-29 06:48:56,565 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 184 transitions. Word has length 109 [2023-11-29 06:48:56,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:48:56,565 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 184 transitions. [2023-11-29 06:48:56,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 4 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2023-11-29 06:48:56,566 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 184 transitions. [2023-11-29 06:48:56,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 06:48:56,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:48:56,568 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:56,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-29 06:48:56,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 06:48:56,769 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:48:56,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:48:56,770 INFO L85 PathProgramCache]: Analyzing trace with hash 9678403, now seen corresponding path program 1 times [2023-11-29 06:48:56,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:48:56,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536004600] [2023-11-29 06:48:56,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:56,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:48:56,807 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:48:56,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1037956923] [2023-11-29 06:48:56,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:48:56,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:48:56,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:48:56,809 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:48:56,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 06:48:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:48:57,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-29 06:48:57,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:48:57,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2023-11-29 06:48:58,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-29 06:48:58,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:48:58,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:48:58,443 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 06:48:58,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2023-11-29 06:48:58,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:48:58,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:48:58,617 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:48:58,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 22 [2023-11-29 06:48:58,663 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-29 06:48:58,663 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:48:59,146 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2023-11-29 06:48:59,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 14066 treesize of output 12246 [2023-11-29 06:48:59,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:48:59,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1474 treesize of output 1314 [2023-11-29 06:49:00,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 326 [2023-11-29 06:49:24,614 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:49:24,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 368 treesize of output 330 [2023-11-29 06:49:28,395 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 06:49:30,405 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 06:49:34,185 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 06:50:06,929 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:51:06,624 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 06:51:07,900 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-11-29 06:51:09,919 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 06:51:09,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 56 [2023-11-29 06:51:10,046 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 06:51:10,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 71 [2023-11-29 06:51:10,236 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 06:51:10,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2023-11-29 06:51:10,246 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 06:51:10,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 65 [2023-11-29 06:51:10,386 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 06:51:10,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 63 [2023-11-29 06:51:10,511 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 06:51:10,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 50 [2023-11-29 06:51:10,590 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 06:51:10,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 48 [2023-11-29 06:51:10,701 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 06:51:10,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 48 [2023-11-29 06:51:10,801 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 06:51:10,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 54 [2023-11-29 06:51:10,935 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 06:51:10,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2023-11-29 06:51:11,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 06:51:11,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2023-11-29 06:51:11,026 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 06:51:11,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2023-11-29 06:51:11,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 75 [2023-11-29 06:51:11,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 182 [2023-11-29 06:51:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:51:17,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:17,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536004600] [2023-11-29 06:51:17,201 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:17,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037956923] [2023-11-29 06:51:17,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037956923] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:51:17,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:51:17,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2023-11-29 06:51:17,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947241454] [2023-11-29 06:51:17,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:17,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:51:17,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:17,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:51:17,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2023-11-29 06:51:17,203 INFO L87 Difference]: Start difference. First operand 141 states and 184 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:17,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:17,983 INFO L93 Difference]: Finished difference Result 310 states and 404 transitions. [2023-11-29 06:51:17,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:51:17,983 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 110 [2023-11-29 06:51:17,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:17,985 INFO L225 Difference]: With dead ends: 310 [2023-11-29 06:51:17,985 INFO L226 Difference]: Without dead ends: 170 [2023-11-29 06:51:17,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2023-11-29 06:51:17,987 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 254 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:17,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 533 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 06:51:17,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-29 06:51:18,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 169. [2023-11-29 06:51:18,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 136 states have (on average 1.2205882352941178) internal successors, (166), 138 states have internal predecessors, (166), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 06:51:18,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 218 transitions. [2023-11-29 06:51:18,015 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 218 transitions. Word has length 110 [2023-11-29 06:51:18,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:18,016 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 218 transitions. [2023-11-29 06:51:18,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:18,016 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 218 transitions. [2023-11-29 06:51:18,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-29 06:51:18,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:18,018 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:18,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 06:51:18,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 06:51:18,219 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:18,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:18,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1284449440, now seen corresponding path program 1 times [2023-11-29 06:51:18,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:18,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405100728] [2023-11-29 06:51:18,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:18,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:18,250 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:18,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080996540] [2023-11-29 06:51:18,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:18,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:18,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:18,252 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:18,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 06:51:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:18,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-29 06:51:18,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:19,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 06:51:19,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 06:51:20,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:51:20,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 06:51:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:51:20,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 06:51:20,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 06:51:20,120 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 96 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-29 06:51:20,121 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:51:20,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:20,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405100728] [2023-11-29 06:51:20,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:20,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080996540] [2023-11-29 06:51:20,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080996540] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:51:20,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:51:20,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-11-29 06:51:20,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581917446] [2023-11-29 06:51:20,268 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 06:51:20,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:51:20,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:20,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:51:20,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:51:20,270 INFO L87 Difference]: Start difference. First operand 169 states and 218 transitions. Second operand has 11 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 06:51:20,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:20,668 INFO L93 Difference]: Finished difference Result 268 states and 339 transitions. [2023-11-29 06:51:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:51:20,668 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 113 [2023-11-29 06:51:20,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:20,670 INFO L225 Difference]: With dead ends: 268 [2023-11-29 06:51:20,670 INFO L226 Difference]: Without dead ends: 124 [2023-11-29 06:51:20,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2023-11-29 06:51:20,671 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 254 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:20,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 260 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:51:20,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-29 06:51:20,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2023-11-29 06:51:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 91 states have (on average 1.1428571428571428) internal successors, (104), 92 states have internal predecessors, (104), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:51:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 152 transitions. [2023-11-29 06:51:20,690 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 152 transitions. Word has length 113 [2023-11-29 06:51:20,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:20,691 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 152 transitions. [2023-11-29 06:51:20,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 06:51:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 152 transitions. [2023-11-29 06:51:20,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 06:51:20,692 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:20,692 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:20,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 06:51:20,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:20,893 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:20,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:20,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1761229587, now seen corresponding path program 1 times [2023-11-29 06:51:20,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:20,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743445125] [2023-11-29 06:51:20,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:20,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:20,924 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:20,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1248381091] [2023-11-29 06:51:20,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:20,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:20,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:20,926 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:20,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 06:51:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:21,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-29 06:51:21,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:22,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-29 06:51:22,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:51:22,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-29 06:51:22,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:51:22,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-29 06:51:22,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2023-11-29 06:51:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-29 06:51:22,216 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:51:22,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 88 [2023-11-29 06:51:22,727 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:51:22,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:22,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743445125] [2023-11-29 06:51:22,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:22,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248381091] [2023-11-29 06:51:22,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248381091] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:51:22,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:51:22,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-11-29 06:51:22,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992857538] [2023-11-29 06:51:22,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:22,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:51:22,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:22,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:51:22,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:51:22,730 INFO L87 Difference]: Start difference. First operand 122 states and 152 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:23,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:23,785 INFO L93 Difference]: Finished difference Result 126 states and 156 transitions. [2023-11-29 06:51:23,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:51:23,786 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2023-11-29 06:51:23,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:23,787 INFO L225 Difference]: With dead ends: 126 [2023-11-29 06:51:23,787 INFO L226 Difference]: Without dead ends: 124 [2023-11-29 06:51:23,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:51:23,788 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 110 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:23,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 212 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 06:51:23,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-29 06:51:23,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2023-11-29 06:51:23,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 93 states have (on average 1.1397849462365592) internal successors, (106), 94 states have internal predecessors, (106), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:51:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 154 transitions. [2023-11-29 06:51:23,817 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 154 transitions. Word has length 114 [2023-11-29 06:51:23,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:23,818 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 154 transitions. [2023-11-29 06:51:23,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:23,818 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 154 transitions. [2023-11-29 06:51:23,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 06:51:23,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:23,819 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:23,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 06:51:24,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:24,020 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:24,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:24,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1761289169, now seen corresponding path program 1 times [2023-11-29 06:51:24,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:24,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613139987] [2023-11-29 06:51:24,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:24,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:24,043 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:24,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549630891] [2023-11-29 06:51:24,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:24,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:24,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:24,045 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:24,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 06:51:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:24,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 06:51:24,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:24,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 06:51:24,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2023-11-29 06:51:24,901 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:51:24,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 25 [2023-11-29 06:51:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-29 06:51:24,916 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:51:25,014 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:51:25,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:25,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613139987] [2023-11-29 06:51:25,014 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:25,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549630891] [2023-11-29 06:51:25,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549630891] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:51:25,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:51:25,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2023-11-29 06:51:25,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547272260] [2023-11-29 06:51:25,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:25,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:51:25,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:25,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:51:25,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:51:25,016 INFO L87 Difference]: Start difference. First operand 124 states and 154 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:25,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:25,089 INFO L93 Difference]: Finished difference Result 223 states and 274 transitions. [2023-11-29 06:51:25,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:51:25,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2023-11-29 06:51:25,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:25,091 INFO L225 Difference]: With dead ends: 223 [2023-11-29 06:51:25,091 INFO L226 Difference]: Without dead ends: 124 [2023-11-29 06:51:25,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:51:25,092 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 33 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:25,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 310 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:51:25,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-29 06:51:25,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2023-11-29 06:51:25,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 93 states have (on average 1.1290322580645162) internal successors, (105), 94 states have internal predecessors, (105), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:51:25,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 153 transitions. [2023-11-29 06:51:25,123 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 153 transitions. Word has length 114 [2023-11-29 06:51:25,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:25,124 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 153 transitions. [2023-11-29 06:51:25,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:25,124 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 153 transitions. [2023-11-29 06:51:25,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 06:51:25,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:25,125 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:25,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 06:51:25,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:25,328 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:25,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:25,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1818547471, now seen corresponding path program 1 times [2023-11-29 06:51:25,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:25,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833531194] [2023-11-29 06:51:25,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:25,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:25,357 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:25,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38322990] [2023-11-29 06:51:25,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:25,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:25,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:25,358 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:25,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 06:51:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:25,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-29 06:51:25,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:26,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-29 06:51:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:51:26,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-29 06:51:26,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-29 06:51:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:51:26,836 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:51:26,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:26,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833531194] [2023-11-29 06:51:26,836 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:26,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38322990] [2023-11-29 06:51:26,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38322990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:26,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:26,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:51:26,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636721081] [2023-11-29 06:51:26,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:26,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:51:26,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:26,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:51:26,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:51:26,838 INFO L87 Difference]: Start difference. First operand 124 states and 153 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:27,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:27,041 INFO L93 Difference]: Finished difference Result 227 states and 275 transitions. [2023-11-29 06:51:27,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:51:27,042 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2023-11-29 06:51:27,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:27,043 INFO L225 Difference]: With dead ends: 227 [2023-11-29 06:51:27,043 INFO L226 Difference]: Without dead ends: 128 [2023-11-29 06:51:27,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:51:27,044 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 196 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:27,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 211 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:51:27,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-29 06:51:27,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2023-11-29 06:51:27,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 96 states have (on average 1.1145833333333333) internal successors, (107), 97 states have internal predecessors, (107), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:51:27,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 155 transitions. [2023-11-29 06:51:27,071 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 155 transitions. Word has length 114 [2023-11-29 06:51:27,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:27,071 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 155 transitions. [2023-11-29 06:51:27,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:27,072 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 155 transitions. [2023-11-29 06:51:27,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 06:51:27,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:27,072 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:27,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 06:51:27,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 06:51:27,273 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:27,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:27,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1009200845, now seen corresponding path program 1 times [2023-11-29 06:51:27,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:27,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247372757] [2023-11-29 06:51:27,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:27,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:27,299 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:27,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804034674] [2023-11-29 06:51:27,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:27,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:27,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:27,301 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:27,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 06:51:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:27,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 06:51:27,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:27,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-29 06:51:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:51:27,550 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:51:27,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:27,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247372757] [2023-11-29 06:51:27,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:27,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804034674] [2023-11-29 06:51:27,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804034674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:27,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:27,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:51:27,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491707049] [2023-11-29 06:51:27,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:27,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:51:27,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:27,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:51:27,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:51:27,552 INFO L87 Difference]: Start difference. First operand 128 states and 155 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:27,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:27,736 INFO L93 Difference]: Finished difference Result 290 states and 345 transitions. [2023-11-29 06:51:27,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:51:27,736 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2023-11-29 06:51:27,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:27,738 INFO L225 Difference]: With dead ends: 290 [2023-11-29 06:51:27,738 INFO L226 Difference]: Without dead ends: 191 [2023-11-29 06:51:27,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:51:27,739 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 71 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:27,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 398 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:51:27,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-11-29 06:51:27,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 151. [2023-11-29 06:51:27,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 119 states have (on average 1.1428571428571428) internal successors, (136), 120 states have internal predecessors, (136), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:51:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2023-11-29 06:51:27,765 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 114 [2023-11-29 06:51:27,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:27,765 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2023-11-29 06:51:27,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:27,765 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2023-11-29 06:51:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-29 06:51:27,766 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:27,767 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:27,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 06:51:27,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:27,967 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:27,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:27,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1668716682, now seen corresponding path program 1 times [2023-11-29 06:51:27,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:27,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966031948] [2023-11-29 06:51:27,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:27,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:27,993 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:27,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [502047546] [2023-11-29 06:51:27,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:27,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:27,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:27,994 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:27,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 06:51:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:28,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-29 06:51:28,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:29,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 06:51:29,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 06:51:29,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:51:29,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 06:51:29,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 06:51:29,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-29 06:51:29,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 06:51:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 96 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-29 06:51:29,863 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:51:30,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:30,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966031948] [2023-11-29 06:51:30,005 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:30,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502047546] [2023-11-29 06:51:30,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502047546] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:51:30,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:51:30,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-11-29 06:51:30,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17008280] [2023-11-29 06:51:30,006 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 06:51:30,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:51:30,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:30,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:51:30,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:51:30,007 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 11 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 06:51:30,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:30,427 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2023-11-29 06:51:30,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:51:30,428 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 114 [2023-11-29 06:51:30,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:30,429 INFO L225 Difference]: With dead ends: 255 [2023-11-29 06:51:30,429 INFO L226 Difference]: Without dead ends: 133 [2023-11-29 06:51:30,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2023-11-29 06:51:30,430 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 139 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:30,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 195 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:51:30,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-29 06:51:30,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2023-11-29 06:51:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 99 states have (on average 1.0707070707070707) internal successors, (106), 100 states have internal predecessors, (106), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:51:30,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 154 transitions. [2023-11-29 06:51:30,454 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 154 transitions. Word has length 114 [2023-11-29 06:51:30,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:30,455 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 154 transitions. [2023-11-29 06:51:30,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 06:51:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2023-11-29 06:51:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 06:51:30,456 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:30,456 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:30,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 06:51:30,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:30,656 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:30,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:30,657 INFO L85 PathProgramCache]: Analyzing trace with hash -170869145, now seen corresponding path program 1 times [2023-11-29 06:51:30,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:30,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987235727] [2023-11-29 06:51:30,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:30,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:30,680 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:30,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [508545300] [2023-11-29 06:51:30,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:30,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:30,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:30,682 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:30,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 06:51:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:31,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 06:51:31,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:31,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:51:31,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 28 [2023-11-29 06:51:31,071 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:51:31,071 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:51:31,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:31,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987235727] [2023-11-29 06:51:31,071 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:31,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508545300] [2023-11-29 06:51:31,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508545300] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:31,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:31,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:51:31,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670329099] [2023-11-29 06:51:31,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:31,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:51:31,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:31,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:51:31,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:51:31,073 INFO L87 Difference]: Start difference. First operand 131 states and 154 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:31,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:31,199 INFO L93 Difference]: Finished difference Result 270 states and 311 transitions. [2023-11-29 06:51:31,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:51:31,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 115 [2023-11-29 06:51:31,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:31,201 INFO L225 Difference]: With dead ends: 270 [2023-11-29 06:51:31,201 INFO L226 Difference]: Without dead ends: 168 [2023-11-29 06:51:31,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:51:31,202 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 34 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:31,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 351 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:51:31,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-11-29 06:51:31,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 131. [2023-11-29 06:51:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 99 states have (on average 1.0606060606060606) internal successors, (105), 100 states have internal predecessors, (105), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:51:31,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2023-11-29 06:51:31,227 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 115 [2023-11-29 06:51:31,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:31,227 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2023-11-29 06:51:31,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:31,228 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2023-11-29 06:51:31,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-29 06:51:31,228 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:31,228 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:31,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 06:51:31,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 06:51:31,429 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:31,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:31,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1970213592, now seen corresponding path program 1 times [2023-11-29 06:51:31,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:31,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378346838] [2023-11-29 06:51:31,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:31,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:31,455 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:31,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [626625891] [2023-11-29 06:51:31,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:31,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:31,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:31,456 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:31,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 06:51:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:31,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 06:51:31,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:31,779 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:51:31,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 30 [2023-11-29 06:51:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:51:31,792 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:51:31,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:31,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378346838] [2023-11-29 06:51:31,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:31,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626625891] [2023-11-29 06:51:31,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626625891] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:31,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:31,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:51:31,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752737098] [2023-11-29 06:51:31,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:31,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:51:31,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:31,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:51:31,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:51:31,794 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:31,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:31,914 INFO L93 Difference]: Finished difference Result 241 states and 277 transitions. [2023-11-29 06:51:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:51:31,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2023-11-29 06:51:31,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:31,915 INFO L225 Difference]: With dead ends: 241 [2023-11-29 06:51:31,915 INFO L226 Difference]: Without dead ends: 139 [2023-11-29 06:51:31,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:51:31,916 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 20 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:31,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 278 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:51:31,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-11-29 06:51:31,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 131. [2023-11-29 06:51:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 99 states have (on average 1.0505050505050506) internal successors, (104), 100 states have internal predecessors, (104), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:51:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2023-11-29 06:51:31,940 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 116 [2023-11-29 06:51:31,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:31,940 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2023-11-29 06:51:31,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:31,940 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2023-11-29 06:51:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 06:51:31,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:31,941 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:31,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 06:51:32,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 06:51:32,142 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:32,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:32,142 INFO L85 PathProgramCache]: Analyzing trace with hash -2146107838, now seen corresponding path program 1 times [2023-11-29 06:51:32,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:32,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668704380] [2023-11-29 06:51:32,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:32,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:32,166 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:32,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785082774] [2023-11-29 06:51:32,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:32,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:32,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:32,167 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:32,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 06:51:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:32,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 06:51:32,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:32,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2023-11-29 06:51:32,418 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-29 06:51:32,419 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:51:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:51:32,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:32,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668704380] [2023-11-29 06:51:32,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:32,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785082774] [2023-11-29 06:51:32,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785082774] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 06:51:32,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:51:32,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 11 [2023-11-29 06:51:32,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557286131] [2023-11-29 06:51:32,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:32,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:51:32,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:32,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:51:32,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:51:32,501 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:32,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:32,685 INFO L93 Difference]: Finished difference Result 286 states and 323 transitions. [2023-11-29 06:51:32,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:51:32,686 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-11-29 06:51:32,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:32,687 INFO L225 Difference]: With dead ends: 286 [2023-11-29 06:51:32,688 INFO L226 Difference]: Without dead ends: 184 [2023-11-29 06:51:32,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:51:32,689 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 67 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:32,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 549 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:51:32,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-11-29 06:51:32,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 144. [2023-11-29 06:51:32,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 112 states have (on average 1.0535714285714286) internal successors, (118), 113 states have internal predecessors, (118), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:51:32,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 166 transitions. [2023-11-29 06:51:32,725 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 166 transitions. Word has length 117 [2023-11-29 06:51:32,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:32,726 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 166 transitions. [2023-11-29 06:51:32,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 166 transitions. [2023-11-29 06:51:32,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 06:51:32,727 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:32,727 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:32,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-29 06:51:32,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 06:51:32,928 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:32,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:32,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1887942400, now seen corresponding path program 1 times [2023-11-29 06:51:32,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:32,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287385993] [2023-11-29 06:51:32,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:32,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:32,952 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:32,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1221680708] [2023-11-29 06:51:32,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:32,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:32,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:32,953 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:32,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 06:51:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:33,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 06:51:33,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:33,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 06:51:33,582 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:51:33,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 34 [2023-11-29 06:51:33,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-29 06:51:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:51:33,597 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:51:33,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:33,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287385993] [2023-11-29 06:51:33,597 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:33,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221680708] [2023-11-29 06:51:33,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221680708] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:33,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:33,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:51:33,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004889777] [2023-11-29 06:51:33,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:33,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:51:33,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:33,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:51:33,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:51:33,599 INFO L87 Difference]: Start difference. First operand 144 states and 166 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:33,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:33,962 INFO L93 Difference]: Finished difference Result 296 states and 333 transitions. [2023-11-29 06:51:33,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:51:33,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-11-29 06:51:33,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:33,963 INFO L225 Difference]: With dead ends: 296 [2023-11-29 06:51:33,964 INFO L226 Difference]: Without dead ends: 181 [2023-11-29 06:51:33,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:51:33,964 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 81 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:33,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 223 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:51:33,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-29 06:51:33,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 144. [2023-11-29 06:51:33,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 112 states have (on average 1.0446428571428572) internal successors, (117), 113 states have internal predecessors, (117), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:51:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 165 transitions. [2023-11-29 06:51:33,989 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 165 transitions. Word has length 117 [2023-11-29 06:51:33,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:33,989 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 165 transitions. [2023-11-29 06:51:33,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 165 transitions. [2023-11-29 06:51:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 06:51:33,990 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:33,990 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:33,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 06:51:34,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:34,191 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:34,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:34,191 INFO L85 PathProgramCache]: Analyzing trace with hash 2014845952, now seen corresponding path program 1 times [2023-11-29 06:51:34,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:34,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629877015] [2023-11-29 06:51:34,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:34,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:34,210 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:34,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1040504758] [2023-11-29 06:51:34,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:34,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:34,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:34,211 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:34,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 06:51:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:34,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 06:51:34,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:34,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 06:51:34,867 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 06:51:34,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 36 [2023-11-29 06:51:34,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2023-11-29 06:51:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:51:34,885 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:51:34,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:34,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629877015] [2023-11-29 06:51:34,885 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:34,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040504758] [2023-11-29 06:51:34,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040504758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:34,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:34,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:51:34,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183196374] [2023-11-29 06:51:34,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:34,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:51:34,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:34,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:51:34,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:51:34,887 INFO L87 Difference]: Start difference. First operand 144 states and 165 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:35,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:35,239 INFO L93 Difference]: Finished difference Result 279 states and 313 transitions. [2023-11-29 06:51:35,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:51:35,239 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-11-29 06:51:35,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:35,241 INFO L225 Difference]: With dead ends: 279 [2023-11-29 06:51:35,241 INFO L226 Difference]: Without dead ends: 164 [2023-11-29 06:51:35,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:51:35,242 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 71 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:35,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 233 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:51:35,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-29 06:51:35,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 144. [2023-11-29 06:51:35,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 112 states have (on average 1.0357142857142858) internal successors, (116), 113 states have internal predecessors, (116), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-29 06:51:35,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 164 transitions. [2023-11-29 06:51:35,280 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 164 transitions. Word has length 117 [2023-11-29 06:51:35,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:35,280 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 164 transitions. [2023-11-29 06:51:35,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:35,280 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 164 transitions. [2023-11-29 06:51:35,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 06:51:35,281 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:35,281 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:35,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-29 06:51:35,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:35,482 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:35,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:35,482 INFO L85 PathProgramCache]: Analyzing trace with hash -2021955906, now seen corresponding path program 1 times [2023-11-29 06:51:35,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:35,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356138504] [2023-11-29 06:51:35,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:35,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:35,504 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:51:35,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1318049543] [2023-11-29 06:51:35,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:35,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:51:35,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:51:35,506 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:51:35,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-29 06:51:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:35,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 06:51:35,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:51:35,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-29 06:51:35,730 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:51:35,730 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:51:35,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:35,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356138504] [2023-11-29 06:51:35,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:51:35,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318049543] [2023-11-29 06:51:35,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318049543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:35,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:35,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:51:35,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151965110] [2023-11-29 06:51:35,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:35,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:51:35,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:35,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:51:35,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:51:35,733 INFO L87 Difference]: Start difference. First operand 144 states and 164 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:35,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:35,914 INFO L93 Difference]: Finished difference Result 279 states and 311 transitions. [2023-11-29 06:51:35,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:51:35,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-11-29 06:51:35,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:35,915 INFO L225 Difference]: With dead ends: 279 [2023-11-29 06:51:35,915 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 06:51:35,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:51:35,916 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 48 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:35,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 450 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:51:35,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 06:51:35,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 06:51:35,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:51:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 06:51:35,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2023-11-29 06:51:35,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:35,917 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:51:35,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:51:35,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:51:35,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 06:51:35,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:51:35,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-11-29 06:51:36,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-29 06:51:36,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 06:51:55,082 WARN L293 SmtUtils]: Spent 9.66s on a formula simplification. DAG size of input: 281 DAG size of output: 1 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 06:52:03,461 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification. DAG size of input: 177 DAG size of output: 129 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-29 06:52:03,464 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-29 06:52:03,464 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-29 06:52:03,464 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-29 06:52:03,464 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-29 06:52:03,464 INFO L895 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-11-29 06:52:03,464 INFO L899 garLoopResultBuilder]: For program point L93-1(line 93) no Hoare annotation was computed. [2023-11-29 06:52:03,464 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 64) no Hoare annotation was computed. [2023-11-29 06:52:03,465 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-29 06:52:03,465 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-29 06:52:03,465 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-29 06:52:03,465 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 73) no Hoare annotation was computed. [2023-11-29 06:52:03,465 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-11-29 06:52:03,465 INFO L899 garLoopResultBuilder]: For program point L61-2(line 61) no Hoare annotation was computed. [2023-11-29 06:52:03,465 INFO L899 garLoopResultBuilder]: For program point L61-3(line 61) no Hoare annotation was computed. [2023-11-29 06:52:03,465 INFO L899 garLoopResultBuilder]: For program point L61-5(line 61) no Hoare annotation was computed. [2023-11-29 06:52:03,466 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-11-29 06:52:03,466 INFO L899 garLoopResultBuilder]: For program point L86-1(line 86) no Hoare annotation was computed. [2023-11-29 06:52:03,466 INFO L895 garLoopResultBuilder]: At program point L111-2(lines 111 117) the Hoare annotation is: (let ((.cse5 (select |#memory_int#4| 7))) (let ((.cse27 (select .cse5 8))) (let ((.cse4 (select (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset)) (.cse14 (mod .cse27 4294967296)) (.cse28 (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base))) (let ((.cse0 (= 7 |~#unsigned_long_int_Array_0~0.base|)) (.cse1 (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4)) (.cse2 (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base)) (.cse3 (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0)) (.cse6 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base)) (.cse20 (select .cse28 ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.offset)) (.cse7 (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base)) (.cse8 (= |~#unsigned_long_int_Array_0~0.offset| 0)) (.cse9 (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1)) (.cse10 (<= .cse14 2147483647)) (.cse11 (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8)) (.cse12 (= .cse4 (select (select |#memory_int#3| 6) 0))) (.cse13 (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) (.cse16 (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset)) (.cse17 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0)) (.cse18 (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse19 (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset 8) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset)))) (.cse15 (select (select |#memory_int#4| ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base) ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset)) (.cse21 (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base)) (.cse22 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base)) (.cse23 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base)) (.cse24 (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0))) (or (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) .cse0 .cse1 .cse2 .cse3 (<= (mod (+ 4294967295 (select (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) 4294967296) (mod (* .cse4 (select .cse5 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset)) 4294967296)) .cse6 (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= (+ .cse14 1) (mod (* .cse15 ~last_1_signed_long_int_Array_0_1_~0) 4294967296)) .cse16 .cse17 .cse18 .cse19 (<= 1 (mod .cse20 256)) .cse21 .cse22 .cse23 .cse24) (let ((.cse25 (select .cse28 1)) (.cse26 (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base))) (and .cse0 .cse1 .cse2 .cse3 .cse6 (= .cse20 .cse25) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) .cse7 .cse8 .cse9 (<= 1 (mod .cse25 256)) .cse10 .cse11 .cse12 (forall ((v_ArrVal_557 Int) (|ULTIMATE.start_step_#t~ite14#1| Int)) (= (mod (select (store .cse5 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|) ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset) 4294967296) (mod (select (select (store |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base (store .cse26 ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset v_ArrVal_557)) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset) 4294967296))) .cse13 .cse16 .cse17 .cse18 .cse19 (= (mod (+ .cse15 (* 4294967295 .cse27)) 4294967296) (mod (select .cse5 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) 4294967296)) .cse21 .cse22 (= (select .cse26 ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) .cse4) .cse23 .cse24))))))) [2023-11-29 06:52:03,466 INFO L899 garLoopResultBuilder]: For program point L111-3(lines 111 117) no Hoare annotation was computed. [2023-11-29 06:52:03,467 INFO L895 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-11-29 06:52:03,467 INFO L899 garLoopResultBuilder]: For program point L95-1(line 95) no Hoare annotation was computed. [2023-11-29 06:52:03,467 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-11-29 06:52:03,467 INFO L899 garLoopResultBuilder]: For program point L87-1(line 87) no Hoare annotation was computed. [2023-11-29 06:52:03,467 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 56) no Hoare annotation was computed. [2023-11-29 06:52:03,467 INFO L899 garLoopResultBuilder]: For program point L54-2(lines 54 56) no Hoare annotation was computed. [2023-11-29 06:52:03,467 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 06:52:03,468 INFO L895 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |ULTIMATE.start_updateVariables_#t~mem55#1| (select (select |#memory_int#4| 7) 8)) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-11-29 06:52:03,468 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2023-11-29 06:52:03,468 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-11-29 06:52:03,468 INFO L899 garLoopResultBuilder]: For program point L55-2(line 55) no Hoare annotation was computed. [2023-11-29 06:52:03,468 INFO L895 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: (let ((.cse5 (select |#memory_int#4| 7))) (let ((.cse4 (select (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset)) (.cse25 (select .cse5 8))) (let ((.cse0 (= 7 |~#unsigned_long_int_Array_0~0.base|)) (.cse1 (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4)) (.cse2 (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base)) (.cse3 (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0)) (.cse6 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base)) (.cse7 (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base)) (.cse8 (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base)) (.cse9 (= |ULTIMATE.start_updateVariables_#t~mem39#1| (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1))) (.cse10 (= |~#unsigned_long_int_Array_0~0.offset| 0)) (.cse11 (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1)) (.cse12 (<= (mod .cse25 4294967296) 2147483647)) (.cse13 (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8)) (.cse14 (= .cse4 (select (select |#memory_int#3| 6) 0))) (.cse15 (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) (.cse16 (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset)) (.cse17 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0)) (.cse18 (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse19 (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset 8) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset)))) (.cse20 (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base)) (.cse21 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base)) (.cse22 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base)) (.cse23 (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0))) (or (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) .cse0 .cse1 .cse2 .cse3 (<= (mod (+ 4294967295 (select (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) 4294967296) (mod (* .cse4 (select .cse5 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset)) 4294967296)) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (let ((.cse24 (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base))) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (forall ((v_ArrVal_557 Int) (|ULTIMATE.start_step_#t~ite14#1| Int)) (= (mod (select (store .cse5 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|) ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset) 4294967296) (mod (select (select (store |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base (store .cse24 ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset v_ArrVal_557)) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset) 4294967296))) .cse15 .cse16 .cse17 .cse18 .cse19 (= (mod (+ (select (select |#memory_int#4| ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base) ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset) (* 4294967295 .cse25)) 4294967296) (mod (select .cse5 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) 4294967296)) .cse20 .cse21 (= (select .cse24 ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) .cse4) .cse22 .cse23)))))) [2023-11-29 06:52:03,468 INFO L899 garLoopResultBuilder]: For program point L80-1(line 80) no Hoare annotation was computed. [2023-11-29 06:52:03,468 INFO L899 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,468 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,469 INFO L899 garLoopResultBuilder]: For program point L105-3(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,469 INFO L899 garLoopResultBuilder]: For program point L105-5(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,469 INFO L899 garLoopResultBuilder]: For program point L105-6(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,469 INFO L899 garLoopResultBuilder]: For program point L105-7(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,469 INFO L899 garLoopResultBuilder]: For program point L105-8(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,469 INFO L899 garLoopResultBuilder]: For program point L105-9(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,469 INFO L899 garLoopResultBuilder]: For program point L105-11(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,469 INFO L899 garLoopResultBuilder]: For program point L105-12(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,469 INFO L899 garLoopResultBuilder]: For program point L105-14(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,470 INFO L895 garLoopResultBuilder]: At program point L89(line 89) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-11-29 06:52:03,470 INFO L899 garLoopResultBuilder]: For program point L105-16(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,470 INFO L899 garLoopResultBuilder]: For program point L89-1(line 89) no Hoare annotation was computed. [2023-11-29 06:52:03,470 INFO L899 garLoopResultBuilder]: For program point L105-18(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,470 INFO L899 garLoopResultBuilder]: For program point L105-20(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,470 INFO L899 garLoopResultBuilder]: For program point L105-21(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,470 INFO L899 garLoopResultBuilder]: For program point L105-22(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,470 INFO L899 garLoopResultBuilder]: For program point L105-23(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,471 INFO L895 garLoopResultBuilder]: At program point L81(line 81) the Hoare annotation is: (let ((.cse14 (select |#memory_int#4| 7))) (let ((.cse23 (select (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset)) (.cse20 (select .cse14 8))) (let ((.cse0 (= 7 |~#unsigned_long_int_Array_0~0.base|)) (.cse1 (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4)) (.cse2 (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base)) (.cse3 (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0)) (.cse4 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base)) (.cse5 (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base)) (.cse6 (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base)) (.cse7 (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base)) (.cse8 (= |~#unsigned_long_int_Array_0~0.offset| 0)) (.cse9 (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1)) (.cse10 (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256))) (.cse11 (<= (mod .cse20 4294967296) 2147483647)) (.cse12 (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8)) (.cse13 (= .cse23 (select (select |#memory_int#3| 6) 0))) (.cse16 (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) (.cse17 (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset)) (.cse18 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0)) (.cse19 (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset 8) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset)))) (.cse21 (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base)) (.cse22 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base)) (.cse24 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base)) (.cse25 (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0))) (or (let ((.cse15 (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (forall ((v_ArrVal_557 Int) (|ULTIMATE.start_step_#t~ite14#1| Int)) (= (mod (select (store .cse14 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|) ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset) 4294967296) (mod (select (select (store |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base (store .cse15 ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset v_ArrVal_557)) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset) 4294967296))) .cse16 .cse17 .cse18 .cse19 (= (mod (+ (select (select |#memory_int#4| ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base) ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset) (* 4294967295 .cse20)) 4294967296) (mod (select .cse14 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) 4294967296)) .cse21 .cse22 (= (select .cse15 ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) .cse23) .cse24 .cse25)) (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) .cse0 .cse1 .cse2 .cse3 (<= (mod (+ 4294967295 (select (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) 4294967296) (mod (* .cse23 (select .cse14 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset)) 4294967296)) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse16 .cse17 .cse18 .cse19 .cse21 .cse22 .cse24 .cse25))))) [2023-11-29 06:52:03,471 INFO L899 garLoopResultBuilder]: For program point L81-1(line 81) no Hoare annotation was computed. [2023-11-29 06:52:03,471 INFO L899 garLoopResultBuilder]: For program point L105-25(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,471 INFO L899 garLoopResultBuilder]: For program point L105-27(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,471 INFO L899 garLoopResultBuilder]: For program point L105-29(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,471 INFO L899 garLoopResultBuilder]: For program point L105-30(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,471 INFO L899 garLoopResultBuilder]: For program point L105-32(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,471 INFO L899 garLoopResultBuilder]: For program point L105-33(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,471 INFO L899 garLoopResultBuilder]: For program point L105-35(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,471 INFO L899 garLoopResultBuilder]: For program point L105-36(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,472 INFO L899 garLoopResultBuilder]: For program point L105-38(line 105) no Hoare annotation was computed. [2023-11-29 06:52:03,472 INFO L895 garLoopResultBuilder]: At program point L98(line 98) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-11-29 06:52:03,472 INFO L899 garLoopResultBuilder]: For program point L98-1(line 98) no Hoare annotation was computed. [2023-11-29 06:52:03,472 INFO L895 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-11-29 06:52:03,472 INFO L899 garLoopResultBuilder]: For program point L90-1(line 90) no Hoare annotation was computed. [2023-11-29 06:52:03,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-29 06:52:03,473 INFO L895 garLoopResultBuilder]: At program point L99(line 99) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-11-29 06:52:03,473 INFO L899 garLoopResultBuilder]: For program point L99-1(line 99) no Hoare annotation was computed. [2023-11-29 06:52:03,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 06:52:03,473 INFO L895 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-11-29 06:52:03,473 INFO L899 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2023-11-29 06:52:03,473 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 77) no Hoare annotation was computed. [2023-11-29 06:52:03,474 INFO L895 garLoopResultBuilder]: At program point L92(line 92) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-11-29 06:52:03,474 INFO L899 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2023-11-29 06:52:03,474 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 67) no Hoare annotation was computed. [2023-11-29 06:52:03,474 INFO L899 garLoopResultBuilder]: For program point L59-1(lines 59 67) no Hoare annotation was computed. [2023-11-29 06:52:03,474 INFO L895 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-11-29 06:52:03,474 INFO L899 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2023-11-29 06:52:03,474 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 76) no Hoare annotation was computed. [2023-11-29 06:52:03,477 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:03,479 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:52:03,492 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset] could not be translated [2023-11-29 06:52:03,493 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated [2023-11-29 06:52:03,493 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0!offset] could not be translated [2023-11-29 06:52:03,493 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated [2023-11-29 06:52:03,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated [2023-11-29 06:52:03,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[6][0] could not be translated [2023-11-29 06:52:03,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated [2023-11-29 06:52:03,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!base][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!offset] could not be translated [2023-11-29 06:52:03,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset] could not be translated [2023-11-29 06:52:03,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset] could not be translated [2023-11-29 06:52:03,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][1] could not be translated [2023-11-29 06:52:03,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][1] could not be translated [2023-11-29 06:52:03,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated [2023-11-29 06:52:03,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated [2023-11-29 06:52:03,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[6][0] could not be translated [2023-11-29 06:52:03,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (forall v_ArrVal_557 : int, ULTIMATE.start_step_#t~ite14#1 : int :: #memory_int#4[7][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0!offset := ULTIMATE.start_step_#t~ite14#1][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0!offset] % 4294967296 == #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!base := #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!offset := v_ArrVal_557]][~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset] % 4294967296) could not be translated [2023-11-29 06:52:03,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!base][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!offset] could not be translated [2023-11-29 06:52:03,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated [2023-11-29 06:52:03,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0!offset] could not be translated [2023-11-29 06:52:03,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!offset] could not be translated [2023-11-29 06:52:03,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated [2023-11-29 06:52:03,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:52:03 BoogieIcfgContainer [2023-11-29 06:52:03,497 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:52:03,498 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:52:03,498 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:52:03,498 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:52:03,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:48:49" (3/4) ... [2023-11-29 06:52:03,500 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:52:03,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-29 06:52:03,510 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-29 06:52:03,511 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-29 06:52:03,511 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 06:52:03,512 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:52:03,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:52:03,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:52:03,649 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:52:03,649 INFO L158 Benchmark]: Toolchain (without parser) took 195317.63ms. Allocated memory was 180.4MB in the beginning and 453.0MB in the end (delta: 272.6MB). Free memory was 147.4MB in the beginning and 189.6MB in the end (delta: -42.2MB). Peak memory consumption was 231.5MB. Max. memory is 16.1GB. [2023-11-29 06:52:03,650 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:52:03,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.98ms. Allocated memory is still 180.4MB. Free memory was 147.4MB in the beginning and 133.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 06:52:03,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.96ms. Allocated memory is still 180.4MB. Free memory was 133.3MB in the beginning and 130.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:52:03,650 INFO L158 Benchmark]: Boogie Preprocessor took 63.70ms. Allocated memory is still 180.4MB. Free memory was 130.1MB in the beginning and 126.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:52:03,651 INFO L158 Benchmark]: RCFGBuilder took 633.54ms. Allocated memory is still 180.4MB. Free memory was 126.4MB in the beginning and 148.9MB in the end (delta: -22.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-11-29 06:52:03,651 INFO L158 Benchmark]: TraceAbstraction took 194124.39ms. Allocated memory was 180.4MB in the beginning and 453.0MB in the end (delta: 272.6MB). Free memory was 148.0MB in the beginning and 201.2MB in the end (delta: -53.2MB). Peak memory consumption was 277.2MB. Max. memory is 16.1GB. [2023-11-29 06:52:03,651 INFO L158 Benchmark]: Witness Printer took 151.23ms. Allocated memory is still 453.0MB. Free memory was 201.2MB in the beginning and 189.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 06:52:03,653 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.98ms. Allocated memory is still 180.4MB. Free memory was 147.4MB in the beginning and 133.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.96ms. Allocated memory is still 180.4MB. Free memory was 133.3MB in the beginning and 130.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.70ms. Allocated memory is still 180.4MB. Free memory was 130.1MB in the beginning and 126.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 633.54ms. Allocated memory is still 180.4MB. Free memory was 126.4MB in the beginning and 148.9MB in the end (delta: -22.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * TraceAbstraction took 194124.39ms. Allocated memory was 180.4MB in the beginning and 453.0MB in the end (delta: 272.6MB). Free memory was 148.0MB in the beginning and 201.2MB in the end (delta: -53.2MB). Peak memory consumption was 277.2MB. Max. memory is 16.1GB. * Witness Printer took 151.23ms. Allocated memory is still 453.0MB. Free memory was 201.2MB in the beginning and 189.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[6][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!base][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[6][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (forall v_ArrVal_557 : int, ULTIMATE.start_step_#t~ite14#1 : int :: #memory_int#4[7][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0!offset := ULTIMATE.start_step_#t~ite14#1][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0!offset] % 4294967296 == #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!base := #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!offset := v_ArrVal_557]][~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset] % 4294967296) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!base][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 194.0s, OverallIterations: 21, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2267 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2241 mSDsluCounter, 6827 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4930 mSDsCounter, 193 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2667 IncrementalHoareTripleChecker+Invalid, 2860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 193 mSolverCounterUnsat, 1897 mSDtfsCounter, 2667 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3015 GetRequests, 2811 SyntacticMatches, 1 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=9, InterpolantAutomatonStates: 156, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 424 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 329 PreInvPairs, 358 NumberOfFragments, 2002 HoareAnnotationTreeSize, 329 FomulaSimplifications, 39480 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 16 FomulaSimplificationsInter, 50176 FormulaSimplificationTreeSizeReductionInter, 23.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 150.7s InterpolantComputationTime, 2453 NumberOfCodeBlocks, 2453 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2885 ConstructedInterpolants, 6 QuantifiedInterpolants, 23674 SizeOfPredicates, 203 NumberOfNonLiveVariables, 8990 ConjunctsInSsa, 405 ConjunctsInUnsatCore, 26 InterpolantComputations, 18 PerfectInterpolantSequences, 9158/9464 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-29 06:52:03,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d606263b-4cdb-435f-be00-c1036a59191a/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 Writing output log to file Ultimate.log Result: TRUE