./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme --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 1c975edcf93ad701ca3189f1eb3683e2db491e10cd89ec62916352d02b9ad719 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:46:51,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:46:51,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:46:51,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:46:51,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:46:51,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:46:51,687 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:46:51,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:46:51,689 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:46:51,694 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:46:51,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:46:51,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:46:51,700 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:46:51,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:46:51,702 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:46:51,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:46:51,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:46:51,703 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:46:51,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:46:51,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:46:51,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:46:51,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:46:51,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:46:51,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:46:51,706 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:46:51,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:46:51,707 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:46:51,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:46:51,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:46:51,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:46:51,709 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:46:51,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:51,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:46:51,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:46:51,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:46:51,711 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:46:51,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:46:51,711 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:46:51,711 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:46:51,712 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:46:51,712 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:46:51,712 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:46:51,713 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_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c975edcf93ad701ca3189f1eb3683e2db491e10cd89ec62916352d02b9ad719 [2023-11-26 10:46:52,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:46:52,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:46:52,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:46:52,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:46:52,064 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:46:52,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i [2023-11-26 10:46:55,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:46:55,455 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:46:55,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i [2023-11-26 10:46:55,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/data/3e8351662/3dde50caa502481ca6ca853acb798ded/FLAGae5584fad [2023-11-26 10:46:55,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/data/3e8351662/3dde50caa502481ca6ca853acb798ded [2023-11-26 10:46:55,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:46:55,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:46:55,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:55,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:46:55,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:46:55,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:55" (1/1) ... [2023-11-26 10:46:55,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4297830c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55, skipping insertion in model container [2023-11-26 10:46:55,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:55" (1/1) ... [2023-11-26 10:46:55,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:46:55,744 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i[915,928] [2023-11-26 10:46:55,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:55,835 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:46:55,847 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_208f4e8a-049c-41fe-9bee-a1e2e996d702/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i[915,928] [2023-11-26 10:46:55,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:55,903 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:46:55,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55 WrapperNode [2023-11-26 10:46:55,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:55,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:55,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:46:55,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:46:55,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55" (1/1) ... [2023-11-26 10:46:55,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55" (1/1) ... [2023-11-26 10:46:55,980 INFO L138 Inliner]: procedures = 29, calls = 107, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 303 [2023-11-26 10:46:55,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:55,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:46:55,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:46:55,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:46:55,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55" (1/1) ... [2023-11-26 10:46:55,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55" (1/1) ... [2023-11-26 10:46:56,008 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55" (1/1) ... [2023-11-26 10:46:56,033 INFO L175 MemorySlicer]: Split 86 memory accesses to 6 slices as follows [2, 6, 22, 8, 17, 31]. 36 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 1, 2, 1, 2, 3]. The 13 writes are split as follows [0, 1, 2, 1, 3, 6]. [2023-11-26 10:46:56,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55" (1/1) ... [2023-11-26 10:46:56,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55" (1/1) ... [2023-11-26 10:46:56,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55" (1/1) ... [2023-11-26 10:46:56,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55" (1/1) ... [2023-11-26 10:46:56,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55" (1/1) ... [2023-11-26 10:46:56,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55" (1/1) ... [2023-11-26 10:46:56,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:46:56,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:46:56,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:46:56,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:46:56,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55" (1/1) ... [2023-11-26 10:46:56,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:56,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:56,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:56,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:46:56,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:46:56,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-26 10:46:56,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-26 10:46:56,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-26 10:46:56,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-26 10:46:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-26 10:46:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-26 10:46:56,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:46:56,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:46:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:46:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:46:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:46:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 10:46:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-26 10:46:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-26 10:46:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-26 10:46:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-26 10:46:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-26 10:46:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-26 10:46:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:46:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:46:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:46:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:46:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:46:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 10:46:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-26 10:46:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-26 10:46:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-26 10:46:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-26 10:46:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-26 10:46:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-26 10:46:56,235 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:46:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:46:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:46:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:46:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:46:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:46:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:46:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 10:46:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:46:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:46:56,459 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:46:56,461 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:46:56,965 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:46:57,019 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:46:57,019 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:46:57,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:57 BoogieIcfgContainer [2023-11-26 10:46:57,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:46:57,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:46:57,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:46:57,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:46:57,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:46:55" (1/3) ... [2023-11-26 10:46:57,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5291b33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:57, skipping insertion in model container [2023-11-26 10:46:57,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:55" (2/3) ... [2023-11-26 10:46:57,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5291b33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:57, skipping insertion in model container [2023-11-26 10:46:57,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:57" (3/3) ... [2023-11-26 10:46:57,030 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-9.i [2023-11-26 10:46:57,050 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:46:57,050 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:46:57,096 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:46:57,103 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;@2ac38fc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:46:57,103 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:46:57,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 59 states have (on average 1.4915254237288136) internal successors, (88), 60 states have internal predecessors, (88), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:46:57,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-26 10:46:57,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:57,119 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:57,120 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:57,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:57,126 INFO L85 PathProgramCache]: Analyzing trace with hash -338497259, now seen corresponding path program 1 times [2023-11-26 10:46:57,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:57,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190992017] [2023-11-26 10:46:57,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:57,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:57,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190992017] [2023-11-26 10:46:57,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 10:46:57,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884284136] [2023-11-26 10:46:57,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:57,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:57,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:57,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:57,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:46:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:46:57,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:57,688 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-26 10:46:57,688 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:46:57,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884284136] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:57,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:57,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:46:57,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311059773] [2023-11-26 10:46:57,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:57,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:46:57,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:57,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:46:57,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:46:57,748 INFO L87 Difference]: Start difference. First operand has 67 states, 59 states have (on average 1.4915254237288136) internal successors, (88), 60 states have internal predecessors, (88), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 10:46:57,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:57,811 INFO L93 Difference]: Finished difference Result 131 states and 199 transitions. [2023-11-26 10:46:57,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:46:57,814 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2023-11-26 10:46:57,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:57,823 INFO L225 Difference]: With dead ends: 131 [2023-11-26 10:46:57,823 INFO L226 Difference]: Without dead ends: 65 [2023-11-26 10:46:57,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:46:57,833 INFO L413 NwaCegarLoop]: 89 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, 89 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 [2023-11-26 10:46:57,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:46:57,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-26 10:46:57,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-26 10:46:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 58 states have internal predecessors, (83), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:46:57,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2023-11-26 10:46:57,888 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 57 [2023-11-26 10:46:57,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:57,888 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2023-11-26 10:46:57,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 10:46:57,889 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2023-11-26 10:46:57,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-26 10:46:57,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:57,892 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:57,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 10:46:58,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:58,099 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:58,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:58,100 INFO L85 PathProgramCache]: Analyzing trace with hash -940245037, now seen corresponding path program 1 times [2023-11-26 10:46:58,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:58,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980703722] [2023-11-26 10:46:58,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:58,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:58,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:58,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980703722] [2023-11-26 10:46:58,175 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 10:46:58,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295197109] [2023-11-26 10:46:58,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:58,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:58,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:58,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:58,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:46:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:58,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:46:58,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:58,448 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-26 10:46:58,448 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:46:58,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295197109] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:58,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:58,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:46:58,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334520378] [2023-11-26 10:46:58,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:58,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:46:58,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:58,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:46:58,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:46:58,455 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 10:46:58,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:58,534 INFO L93 Difference]: Finished difference Result 135 states and 194 transitions. [2023-11-26 10:46:58,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:46:58,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2023-11-26 10:46:58,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:58,539 INFO L225 Difference]: With dead ends: 135 [2023-11-26 10:46:58,540 INFO L226 Difference]: Without dead ends: 71 [2023-11-26 10:46:58,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:46:58,542 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 10 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 259 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 [2023-11-26 10:46:58,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 259 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:46:58,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-26 10:46:58,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2023-11-26 10:46:58,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 60 states have internal predecessors, (85), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:46:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2023-11-26 10:46:58,561 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 57 [2023-11-26 10:46:58,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:58,561 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2023-11-26 10:46:58,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 10:46:58,562 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2023-11-26 10:46:58,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-26 10:46:58,564 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:58,564 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:58,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:58,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:58,772 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:58,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:58,773 INFO L85 PathProgramCache]: Analyzing trace with hash -42851759, now seen corresponding path program 1 times [2023-11-26 10:46:58,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:58,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110800220] [2023-11-26 10:46:58,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:58,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:58,848 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:46:58,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072434757] [2023-11-26 10:46:58,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:58,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:58,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:58,853 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:58,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:46:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:59,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:46:59,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:59,083 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:46:59,083 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:46:59,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:59,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110800220] [2023-11-26 10:46:59,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:46:59,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072434757] [2023-11-26 10:46:59,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072434757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:59,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:59,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:46:59,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867571120] [2023-11-26 10:46:59,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:59,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:46:59,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:59,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:46:59,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:46:59,090 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:46:59,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:59,170 INFO L93 Difference]: Finished difference Result 157 states and 224 transitions. [2023-11-26 10:46:59,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:46:59,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-26 10:46:59,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:59,175 INFO L225 Difference]: With dead ends: 157 [2023-11-26 10:46:59,176 INFO L226 Difference]: Without dead ends: 91 [2023-11-26 10:46:59,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:46:59,178 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 48 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 267 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 [2023-11-26 10:46:59,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 267 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:46:59,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-26 10:46:59,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 69. [2023-11-26 10:46:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.403225806451613) internal successors, (87), 62 states have internal predecessors, (87), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:46:59,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2023-11-26 10:46:59,196 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 57 [2023-11-26 10:46:59,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:59,197 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2023-11-26 10:46:59,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:46:59,197 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2023-11-26 10:46:59,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-26 10:46:59,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:59,199 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:59,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:59,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:59,407 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:59,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:59,408 INFO L85 PathProgramCache]: Analyzing trace with hash -435878769, now seen corresponding path program 1 times [2023-11-26 10:46:59,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:59,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921173121] [2023-11-26 10:46:59,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:59,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:59,447 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:46:59,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1646143826] [2023-11-26 10:46:59,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:59,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:59,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:59,449 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:59,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:46:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:59,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:46:59,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:46:59,646 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:46:59,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:59,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921173121] [2023-11-26 10:46:59,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:46:59,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646143826] [2023-11-26 10:46:59,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646143826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:59,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:59,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:46:59,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679991473] [2023-11-26 10:46:59,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:59,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:46:59,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:59,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:46:59,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:46:59,651 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:46:59,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:59,695 INFO L93 Difference]: Finished difference Result 157 states and 222 transitions. [2023-11-26 10:46:59,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:46:59,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-26 10:46:59,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:59,700 INFO L225 Difference]: With dead ends: 157 [2023-11-26 10:46:59,701 INFO L226 Difference]: Without dead ends: 89 [2023-11-26 10:46:59,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:46:59,709 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 39 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 265 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 [2023-11-26 10:46:59,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 265 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:46:59,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-26 10:46:59,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 71. [2023-11-26 10:46:59,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.390625) internal successors, (89), 64 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:46:59,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2023-11-26 10:46:59,728 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 57 [2023-11-26 10:46:59,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:59,728 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2023-11-26 10:46:59,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:46:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2023-11-26 10:46:59,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-26 10:46:59,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:59,731 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:59,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:59,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:59,943 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:59,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:59,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1245225395, now seen corresponding path program 1 times [2023-11-26 10:46:59,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:59,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879343590] [2023-11-26 10:46:59,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:59,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:59,990 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:46:59,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1665203616] [2023-11-26 10:46:59,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:59,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:59,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:59,992 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:00,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 10:47:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:00,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:47:00,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:00,201 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:47:00,201 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:00,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:00,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879343590] [2023-11-26 10:47:00,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:00,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665203616] [2023-11-26 10:47:00,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665203616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:00,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:00,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:47:00,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043184930] [2023-11-26 10:47:00,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:00,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:00,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:00,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:00,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:00,206 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:00,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:00,238 INFO L93 Difference]: Finished difference Result 145 states and 202 transitions. [2023-11-26 10:47:00,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:47:00,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-26 10:47:00,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:00,241 INFO L225 Difference]: With dead ends: 145 [2023-11-26 10:47:00,241 INFO L226 Difference]: Without dead ends: 75 [2023-11-26 10:47:00,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:00,243 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 3 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 255 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 [2023-11-26 10:47:00,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 255 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:00,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-26 10:47:00,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2023-11-26 10:47:00,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.378787878787879) internal successors, (91), 66 states have internal predecessors, (91), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:47:00,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2023-11-26 10:47:00,251 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 57 [2023-11-26 10:47:00,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:00,252 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2023-11-26 10:47:00,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:00,252 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2023-11-26 10:47:00,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-26 10:47:00,254 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:00,254 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:00,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:00,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:00,461 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:00,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:00,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1245165813, now seen corresponding path program 1 times [2023-11-26 10:47:00,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:00,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130365674] [2023-11-26 10:47:00,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:00,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:00,498 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:00,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869586069] [2023-11-26 10:47:00,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:00,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:00,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:00,500 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:00,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 10:47:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:00,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 10:47:00,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:00,956 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 0 case distinctions, treesize of input 19 treesize of output 11 [2023-11-26 10:47:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:47:00,972 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:00,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:00,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130365674] [2023-11-26 10:47:00,973 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:00,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869586069] [2023-11-26 10:47:00,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869586069] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:00,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:00,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:47:00,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684609949] [2023-11-26 10:47:00,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:00,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:00,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:00,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:00,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:00,975 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:01,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:01,091 INFO L93 Difference]: Finished difference Result 217 states and 301 transitions. [2023-11-26 10:47:01,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:47:01,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-26 10:47:01,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:01,094 INFO L225 Difference]: With dead ends: 217 [2023-11-26 10:47:01,094 INFO L226 Difference]: Without dead ends: 145 [2023-11-26 10:47:01,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:47:01,096 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 68 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:01,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 293 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:01,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-26 10:47:01,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 141. [2023-11-26 10:47:01,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 128 states have (on average 1.375) internal successors, (176), 128 states have internal predecessors, (176), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-26 10:47:01,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 196 transitions. [2023-11-26 10:47:01,110 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 196 transitions. Word has length 57 [2023-11-26 10:47:01,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:01,111 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 196 transitions. [2023-11-26 10:47:01,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:01,111 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 196 transitions. [2023-11-26 10:47:01,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-26 10:47:01,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:01,113 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:01,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:01,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-26 10:47:01,325 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:01,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:01,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2062814263, now seen corresponding path program 1 times [2023-11-26 10:47:01,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:01,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405649607] [2023-11-26 10:47:01,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:01,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:01,366 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:01,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1220198534] [2023-11-26 10:47:01,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:01,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:01,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:01,374 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:01,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 10:47:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:01,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-26 10:47:01,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:01,848 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 0 case distinctions, treesize of input 19 treesize of output 11 [2023-11-26 10:47:01,880 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 [2023-11-26 10:47:01,887 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 [2023-11-26 10:47:01,931 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:47:01,931 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 52 treesize of output 28 [2023-11-26 10:47:01,949 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:47:01,949 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:01,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:01,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405649607] [2023-11-26 10:47:01,950 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:01,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220198534] [2023-11-26 10:47:01,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220198534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:01,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:01,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 10:47:01,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782406734] [2023-11-26 10:47:01,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:01,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 10:47:01,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:01,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 10:47:01,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:47:01,953 INFO L87 Difference]: Start difference. First operand 141 states and 196 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:02,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:02,458 INFO L93 Difference]: Finished difference Result 353 states and 485 transitions. [2023-11-26 10:47:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 10:47:02,458 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-26 10:47:02,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:02,460 INFO L225 Difference]: With dead ends: 353 [2023-11-26 10:47:02,460 INFO L226 Difference]: Without dead ends: 213 [2023-11-26 10:47:02,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-11-26 10:47:02,462 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 457 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:02,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 458 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 10:47:02,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-11-26 10:47:02,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 166. [2023-11-26 10:47:02,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 148 states have (on average 1.3445945945945945) internal successors, (199), 149 states have internal predecessors, (199), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-26 10:47:02,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 225 transitions. [2023-11-26 10:47:02,491 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 225 transitions. Word has length 57 [2023-11-26 10:47:02,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:02,491 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 225 transitions. [2023-11-26 10:47:02,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:02,492 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 225 transitions. [2023-11-26 10:47:02,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-26 10:47:02,496 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:02,497 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:02,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:02,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-26 10:47:02,703 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:02,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:02,704 INFO L85 PathProgramCache]: Analyzing trace with hash 412795713, now seen corresponding path program 1 times [2023-11-26 10:47:02,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:02,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185815295] [2023-11-26 10:47:02,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:02,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:02,739 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:02,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1786016572] [2023-11-26 10:47:02,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:02,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:02,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:02,741 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:02,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 10:47:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:02,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:47:02,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:02,953 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 15 treesize of output 7 [2023-11-26 10:47:02,961 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:47:02,962 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:02,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:02,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185815295] [2023-11-26 10:47:02,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:02,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786016572] [2023-11-26 10:47:02,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786016572] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:02,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:02,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:47:02,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911693461] [2023-11-26 10:47:02,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:02,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:02,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:02,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:02,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:02,966 INFO L87 Difference]: Start difference. First operand 166 states and 225 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:03,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:03,082 INFO L93 Difference]: Finished difference Result 472 states and 634 transitions. [2023-11-26 10:47:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:47:03,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2023-11-26 10:47:03,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:03,088 INFO L225 Difference]: With dead ends: 472 [2023-11-26 10:47:03,088 INFO L226 Difference]: Without dead ends: 320 [2023-11-26 10:47:03,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:47:03,090 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 116 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:03,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 314 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:03,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2023-11-26 10:47:03,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 220. [2023-11-26 10:47:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 195 states have (on average 1.323076923076923) internal successors, (258), 197 states have internal predecessors, (258), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 10:47:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 294 transitions. [2023-11-26 10:47:03,113 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 294 transitions. Word has length 61 [2023-11-26 10:47:03,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:03,113 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 294 transitions. [2023-11-26 10:47:03,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 294 transitions. [2023-11-26 10:47:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-26 10:47:03,116 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:03,116 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:03,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:03,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-26 10:47:03,328 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:03,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:03,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1137898761, now seen corresponding path program 1 times [2023-11-26 10:47:03,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:03,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105191015] [2023-11-26 10:47:03,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:03,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:03,352 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:03,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1211432413] [2023-11-26 10:47:03,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:03,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:03,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:03,354 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:03,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 10:47:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:03,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-26 10:47:03,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:04,024 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:47:04,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 23 [2023-11-26 10:47:04,044 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 11 treesize of output 7 [2023-11-26 10:47:04,226 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:47:04,226 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:04,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:04,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105191015] [2023-11-26 10:47:04,227 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:47:04,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211432413] [2023-11-26 10:47:04,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211432413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:04,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:04,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 10:47:04,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203475338] [2023-11-26 10:47:04,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:04,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 10:47:04,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:04,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:47:04,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:47:04,230 INFO L87 Difference]: Start difference. First operand 220 states and 294 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:04,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:04,676 INFO L93 Difference]: Finished difference Result 695 states and 923 transitions. [2023-11-26 10:47:04,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 10:47:04,677 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2023-11-26 10:47:04,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:04,681 INFO L225 Difference]: With dead ends: 695 [2023-11-26 10:47:04,681 INFO L226 Difference]: Without dead ends: 489 [2023-11-26 10:47:04,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2023-11-26 10:47:04,684 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 276 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:04,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 663 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:47:04,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2023-11-26 10:47:04,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 255. [2023-11-26 10:47:04,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 227 states have (on average 1.3259911894273129) internal successors, (301), 228 states have internal predecessors, (301), 20 states have call successors, (20), 7 states have call predecessors, (20), 7 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:47:04,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 341 transitions. [2023-11-26 10:47:04,715 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 341 transitions. Word has length 61 [2023-11-26 10:47:04,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:04,717 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 341 transitions. [2023-11-26 10:47:04,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:04,717 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 341 transitions. [2023-11-26 10:47:04,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-26 10:47:04,718 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:04,718 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:04,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:04,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:04,925 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:04,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:04,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1954694899, now seen corresponding path program 1 times [2023-11-26 10:47:04,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:04,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008506804] [2023-11-26 10:47:04,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:04,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:04,960 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:47:04,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2019909218] [2023-11-26 10:47:04,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:04,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:47:04,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:04,962 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:47:04,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-26 10:47:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:05,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:47:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:47:05,730 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:47:05,730 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:47:05,731 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:47:05,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:05,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 10:47:05,944 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:05,948 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:47:06,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-26 10:47:06,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem29 could not be translated [2023-11-26 10:47:06,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 10:47:06,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-26 10:47:06,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 10:47:06,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-26 10:47:06,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-26 10:47:06,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 10:47:06,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-26 10:47:06,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-26 10:47:06,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 10:47:06,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-26 10:47:06,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-26 10:47:06,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-26 10:47:06,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-26 10:47:06,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-26 10:47:06,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-26 10:47:06,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-26 10:47:06,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-26 10:47:06,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-26 10:47:06,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-26 10:47:06,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-26 10:47:06,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-26 10:47:06,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-26 10:47:06,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-26 10:47:06,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-26 10:47:06,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-26 10:47:06,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-26 10:47:06,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-26 10:47:06,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-26 10:47:06,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 10:47:06,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-26 10:47:06,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 10:47:06,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-26 10:47:06,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-26 10:47:06,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 10:47:06,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 10:47:06,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-26 10:47:06,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-26 10:47:06,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 10:47:06,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-26 10:47:06,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 10:47:06,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 10:47:06,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 10:47:06,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-26 10:47:06,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 10:47:06,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-26 10:47:06,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-26 10:47:06,049 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 10:47:06,049 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-26 10:47:06,049 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-26 10:47:06,049 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 10:47:06,049 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 10:47:06,050 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-26 10:47:06,050 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-26 10:47:06,050 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 10:47:06,050 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 10:47:06,050 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 10:47:06,050 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 10:47:06,051 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-26 10:47:06,051 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 10:47:06,051 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 10:47:06,051 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-26 10:47:06,051 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-26 10:47:06,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-26 10:47:06,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 10:47:06,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 10:47:06,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 10:47:06,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-26 10:47:06,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-26 10:47:06,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 10:47:06,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 10:47:06,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 10:47:06,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 10:47:06,054 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 10:47:06,054 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-26 10:47:06,054 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 10:47:06,061 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-26 10:47:06,062 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-26 10:47:06,062 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-26 10:47:06,062 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 10:47:06,062 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-26 10:47:06,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 10:47:06,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-26 10:47:06,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-26 10:47:06,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 10:47:06,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 10:47:06,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 10:47:06,064 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 10:47:06,064 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 10:47:06,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 10:47:06,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 10:47:06,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 10:47:06,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-26 10:47:06,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-26 10:47:06,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 10:47:06,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 10:47:06,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 10:47:06,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-26 10:47:06,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-26 10:47:06,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-26 10:47:06,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-26 10:47:06,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-26 10:47:06,067 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-26 10:47:06,067 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-26 10:47:06,067 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 10:47:06,067 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-26 10:47:06,068 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-26 10:47:06,068 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-26 10:47:06,068 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 10:47:06,068 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 10:47:06,068 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-26 10:47:06,068 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 10:47:06,069 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-26 10:47:06,069 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-26 10:47:06,069 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 10:47:06,069 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 10:47:06,069 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 10:47:06,069 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-26 10:47:06,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-26 10:47:06,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 10:47:06,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:47:06 BoogieIcfgContainer [2023-11-26 10:47:06,097 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:47:06,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:47:06,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:47:06,098 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:47:06,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:57" (3/4) ... [2023-11-26 10:47:06,100 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:47:06,101 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:47:06,102 INFO L158 Benchmark]: Toolchain (without parser) took 10615.44ms. Allocated memory was 142.6MB in the beginning and 239.1MB in the end (delta: 96.5MB). Free memory was 95.5MB in the beginning and 106.5MB in the end (delta: -11.0MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2023-11-26 10:47:06,102 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:47:06,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.54ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 81.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:47:06,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.17ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 78.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:47:06,104 INFO L158 Benchmark]: Boogie Preprocessor took 121.54ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 74.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:47:06,104 INFO L158 Benchmark]: RCFGBuilder took 916.25ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 74.2MB in the beginning and 149.0MB in the end (delta: -74.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-26 10:47:06,106 INFO L158 Benchmark]: TraceAbstraction took 9073.58ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 147.9MB in the beginning and 106.5MB in the end (delta: 41.5MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2023-11-26 10:47:06,106 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 239.1MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:47:06,110 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.54ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 81.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.17ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 78.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.54ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 74.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 916.25ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 74.2MB in the beginning and 149.0MB in the end (delta: -74.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * TraceAbstraction took 9073.58ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 147.9MB in the beginning and 106.5MB in the end (delta: 41.5MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 239.1MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of shiftLeft at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] double double_Array_0[2] = { 9.2, 0.975 }; [L25-L27] double double_Array_0[2] = { 9.2, 0.975 }; [L25-L27] double double_Array_0[2] = { 9.2, 0.975 }; [L28-L30] signed long int signed_long_int_Array_0[1] = { -16 }; [L28-L30] signed long int signed_long_int_Array_0[1] = { -16 }; [L31-L33] signed short int signed_short_int_Array_0[2] = { 1, 100 }; [L31-L33] signed short int signed_short_int_Array_0[2] = { 1, 100 }; [L31-L33] signed short int signed_short_int_Array_0[2] = { 1, 100 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 32, 4, 10 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 32, 4, 10 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 32, 4, 10 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 32, 4, 10 }; [L37] double last_1_double_Array_0_0_ = 9.2; [L38] signed long int last_1_signed_long_int_Array_0_0_ = -16; [L39] signed short int last_1_signed_short_int_Array_0_0_ = 1; [L40] unsigned char last_1_unsigned_char_Array_0_2_ = 10; [L91] isInitial = 1 [L92] FCALL initially() [L93] COND TRUE 1 [L94] CALL updateLastVariables() [L81] EXPR double_Array_0[0] [L81] last_1_double_Array_0_0_ = double_Array_0[0] [L82] EXPR signed_long_int_Array_0[0] [L82] last_1_signed_long_int_Array_0_0_ = signed_long_int_Array_0[0] [L83] EXPR signed_short_int_Array_0[0] [L83] last_1_signed_short_int_Array_0_0_ = signed_short_int_Array_0[0] [L84] EXPR unsigned_char_Array_0[2] [L84] last_1_unsigned_char_Array_0_2_ = unsigned_char_Array_0[2] [L94] RET updateLastVariables() [L95] CALL updateVariables() [L71] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L72] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] double_Array_0[1] = __VERIFIER_nondet_double() [L75] EXPR double_Array_0[1] [L75] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F [L75] EXPR double_Array_0[1] [L75] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] EXPR (double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] EXPR (double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] CALL assume_abort_if_not((double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] RET assume_abort_if_not((double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L77] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] RET updateVariables() [L96] CALL step() [L44] unsigned char stepLocal_0 = last_1_double_Array_0_0_ > last_1_double_Array_0_0_; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, stepLocal_0=0, unsigned_char_Array_0={8:0}] [L45] COND FALSE !(((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || stepLocal_0) [L48] signed_short_int_Array_0[0] = last_1_signed_short_int_Array_0_0_ VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L50] EXPR signed_short_int_Array_0[0] [L50] signed_long_int_Array_0[0] = signed_short_int_Array_0[0] [L51] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L51] EXPR 10 << signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, stepLocal_0=0, unsigned_char_Array_0={8:0}] [L51] EXPR unsigned_char_Array_0[1] [L51] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L51] COND FALSE !((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) [L54] unsigned_char_Array_0[0] = 64 [L55] EXPR double_Array_0[1] [L55] double_Array_0[0] = double_Array_0[1] [L56] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L56] COND TRUE signed_short_int_Array_0[0] <= 16 [L57] EXPR unsigned_char_Array_0[1] [L57] unsigned_char_Array_0[2] = unsigned_char_Array_0[1] [L96] RET step() [L97] CALL, EXPR property() [L87] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR (signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) [L87] EXPR unsigned_char_Array_0[2] [L87] EXPR unsigned_char_Array_0[1] [L87] EXPR (signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1) [L87] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR 10 << signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR unsigned_char_Array_0[1] [L87] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1 [L87] EXPR signed_short_int_Array_0[1] [L87] EXPR signed_short_int_Array_0[0] [L87] EXPR signed_long_int_Array_0[0] [L87] EXPR ((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR (((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR (((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64))) && (double_Array_0[0] == ((double) double_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64))) && (double_Array_0[0] == ((double) double_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR (((((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64))) && (double_Array_0[0] == ((double) double_Array_0[1]))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? (signed_short_int_Array_0[0] == ((signed short int) ((((((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? (((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : (signed_short_int_Array_0[0] == ((signed short int) last_1_signed_short_int_Array_0_0_))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR (((((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64))) && (double_Array_0[0] == ((double) double_Array_0[1]))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? (signed_short_int_Array_0[0] == ((signed short int) ((((((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? (((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : (signed_short_int_Array_0[0] == ((signed short int) last_1_signed_short_int_Array_0_0_))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((((((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64))) && (double_Array_0[0] == ((double) double_Array_0[1]))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? (signed_short_int_Array_0[0] == ((signed short int) ((((((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? (((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : (signed_short_int_Array_0[0] == ((signed short int) last_1_signed_short_int_Array_0_0_)))) && (signed_long_int_Array_0[0] == ((signed long int) signed_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((((((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64))) && (double_Array_0[0] == ((double) double_Array_0[1]))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? (signed_short_int_Array_0[0] == ((signed short int) ((((((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? (((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : (signed_short_int_Array_0[0] == ((signed short int) last_1_signed_short_int_Array_0_0_)))) && (signed_long_int_Array_0[0] == ((signed long int) signed_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87-L88] return ((((((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64))) && (double_Array_0[0] == ((double) double_Array_0[1]))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? (signed_short_int_Array_0[0] == ((signed short int) ((((((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? (((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : (signed_short_int_Array_0[0] == ((signed short int) last_1_signed_short_int_Array_0_0_)))) && (signed_long_int_Array_0[0] == ((signed long int) signed_short_int_Array_0[0])) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.9s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1018 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1017 mSDsluCounter, 2863 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2095 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 813 IncrementalHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 768 mSDtfsCounter, 813 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 534 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=255occurred in iteration=9, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 431 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 696 NumberOfCodeBlocks, 696 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 512 ConstructedInterpolants, 0 QuantifiedInterpolants, 2352 SizeOfPredicates, 37 NumberOfNonLiveVariables, 2527 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 360/360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 10:47:06,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme --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 1c975edcf93ad701ca3189f1eb3683e2db491e10cd89ec62916352d02b9ad719 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:47:08,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:47:09,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:47:09,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:47:09,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:47:09,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:47:09,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:47:09,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:47:09,154 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:47:09,159 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:47:09,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:47:09,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:47:09,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:47:09,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:47:09,164 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:47:09,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:47:09,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:47:09,166 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:47:09,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:47:09,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:47:09,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:47:09,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:47:09,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:47:09,169 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:47:09,169 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:47:09,169 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:47:09,170 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:47:09,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:47:09,171 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:47:09,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:47:09,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:47:09,173 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:47:09,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:47:09,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:09,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:47:09,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:47:09,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:47:09,176 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:47:09,176 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:47:09,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:47:09,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:47:09,177 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:47:09,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:47:09,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:47:09,178 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:47:09,178 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_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c975edcf93ad701ca3189f1eb3683e2db491e10cd89ec62916352d02b9ad719 [2023-11-26 10:47:09,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:47:09,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:47:09,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:47:09,644 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:47:09,645 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:47:09,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i [2023-11-26 10:47:12,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:47:13,140 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:47:13,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i [2023-11-26 10:47:13,154 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/data/1df2a2736/8977de8b5f5748308edc75e647cf94c3/FLAG79403081c [2023-11-26 10:47:13,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/data/1df2a2736/8977de8b5f5748308edc75e647cf94c3 [2023-11-26 10:47:13,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:47:13,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:47:13,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:13,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:47:13,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:47:13,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:13" (1/1) ... [2023-11-26 10:47:13,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641d7b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13, skipping insertion in model container [2023-11-26 10:47:13,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:47:13" (1/1) ... [2023-11-26 10:47:13,239 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:47:13,455 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_208f4e8a-049c-41fe-9bee-a1e2e996d702/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i[915,928] [2023-11-26 10:47:13,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:13,587 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:47:13,608 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_208f4e8a-049c-41fe-9bee-a1e2e996d702/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i[915,928] [2023-11-26 10:47:13,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:47:13,697 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:47:13,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13 WrapperNode [2023-11-26 10:47:13,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:47:13,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:13,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:47:13,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:47:13,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13" (1/1) ... [2023-11-26 10:47:13,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13" (1/1) ... [2023-11-26 10:47:13,778 INFO L138 Inliner]: procedures = 36, calls = 107, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 294 [2023-11-26 10:47:13,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:47:13,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:47:13,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:47:13,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:47:13,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13" (1/1) ... [2023-11-26 10:47:13,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13" (1/1) ... [2023-11-26 10:47:13,801 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13" (1/1) ... [2023-11-26 10:47:13,824 INFO L175 MemorySlicer]: Split 86 memory accesses to 6 slices as follows [2, 6, 22, 8, 17, 31]. 36 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 1, 2, 1, 2, 3]. The 13 writes are split as follows [0, 1, 2, 1, 3, 6]. [2023-11-26 10:47:13,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13" (1/1) ... [2023-11-26 10:47:13,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13" (1/1) ... [2023-11-26 10:47:13,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13" (1/1) ... [2023-11-26 10:47:13,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13" (1/1) ... [2023-11-26 10:47:13,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13" (1/1) ... [2023-11-26 10:47:13,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13" (1/1) ... [2023-11-26 10:47:13,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:47:13,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:47:13,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:47:13,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:47:13,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13" (1/1) ... [2023-11-26 10:47:13,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:13,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:47:13,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:47:13,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:47:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:47:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-26 10:47:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-26 10:47:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-26 10:47:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-26 10:47:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-11-26 10:47:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-11-26 10:47:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-26 10:47:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-26 10:47:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-26 10:47:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-26 10:47:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-11-26 10:47:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-11-26 10:47:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-26 10:47:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-26 10:47:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-26 10:47:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-26 10:47:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-26 10:47:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-26 10:47:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-26 10:47:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-26 10:47:13,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-11-26 10:47:13,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-11-26 10:47:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-11-26 10:47:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-11-26 10:47:13,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:47:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 10:47:13,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-26 10:47:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-26 10:47:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-26 10:47:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-26 10:47:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-26 10:47:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-26 10:47:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-26 10:47:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-26 10:47:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-26 10:47:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-26 10:47:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-26 10:47:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-26 10:47:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-11-26 10:47:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-11-26 10:47:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-11-26 10:47:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-11-26 10:47:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-26 10:47:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-26 10:47:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-26 10:47:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-26 10:47:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-26 10:47:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-26 10:47:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-26 10:47:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-26 10:47:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-11-26 10:47:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-11-26 10:47:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-11-26 10:47:13,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-11-26 10:47:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:47:13,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:47:13,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:47:13,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:47:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-26 10:47:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-26 10:47:13,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-26 10:47:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-26 10:47:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-26 10:47:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-26 10:47:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-26 10:47:13,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-26 10:47:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-11-26 10:47:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-11-26 10:47:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-11-26 10:47:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-11-26 10:47:13,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-26 10:47:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-26 10:47:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-26 10:47:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-26 10:47:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-26 10:47:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-26 10:47:14,187 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:47:14,189 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:47:14,890 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:47:14,989 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:47:14,989 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:47:14,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:14 BoogieIcfgContainer [2023-11-26 10:47:14,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:47:14,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:47:14,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:47:14,997 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:47:14,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:47:13" (1/3) ... [2023-11-26 10:47:14,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e0c581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:14, skipping insertion in model container [2023-11-26 10:47:14,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:47:13" (2/3) ... [2023-11-26 10:47:15,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e0c581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:47:15, skipping insertion in model container [2023-11-26 10:47:15,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:47:14" (3/3) ... [2023-11-26 10:47:15,004 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-9.i [2023-11-26 10:47:15,025 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:47:15,026 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:47:15,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:47:15,099 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;@2608b62f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:47:15,099 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:47:15,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:47:15,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-26 10:47:15,117 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:15,118 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:15,118 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:15,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:15,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1212209025, now seen corresponding path program 1 times [2023-11-26 10:47:15,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:15,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138314019] [2023-11-26 10:47:15,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:15,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:15,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:15,152 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:47:15,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 10:47:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:15,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:47:15,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:15,500 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-26 10:47:15,500 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:15,501 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:15,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138314019] [2023-11-26 10:47:15,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138314019] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:15,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:15,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:47:15,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082638069] [2023-11-26 10:47:15,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:15,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:47:15,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:15,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:47:15,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:47:15,546 INFO L87 Difference]: Start difference. First operand has 63 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 10:47:15,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:15,595 INFO L93 Difference]: Finished difference Result 123 states and 187 transitions. [2023-11-26 10:47:15,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:47:15,598 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2023-11-26 10:47:15,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:15,606 INFO L225 Difference]: With dead ends: 123 [2023-11-26 10:47:15,606 INFO L226 Difference]: Without dead ends: 61 [2023-11-26 10:47:15,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:47:15,614 INFO L413 NwaCegarLoop]: 83 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, 83 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 [2023-11-26 10:47:15,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:15,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-26 10:47:15,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-26 10:47:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 54 states have internal predecessors, (77), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:47:15,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 87 transitions. [2023-11-26 10:47:15,660 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 87 transitions. Word has length 55 [2023-11-26 10:47:15,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:15,661 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 87 transitions. [2023-11-26 10:47:15,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 10:47:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2023-11-26 10:47:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-26 10:47:15,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:15,665 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:15,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-26 10:47:15,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:15,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:15,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:15,874 INFO L85 PathProgramCache]: Analyzing trace with hash -428638785, now seen corresponding path program 1 times [2023-11-26 10:47:15,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:15,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1915737224] [2023-11-26 10:47:15,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:15,875 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:15,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:15,881 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:47:15,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 10:47:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:16,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:47:16,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-26 10:47:16,277 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:16,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:16,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1915737224] [2023-11-26 10:47:16,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1915737224] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:16,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:16,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:47:16,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796102519] [2023-11-26 10:47:16,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:16,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:16,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:16,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:16,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:16,287 INFO L87 Difference]: Start difference. First operand 61 states and 87 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 10:47:16,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:16,422 INFO L93 Difference]: Finished difference Result 127 states and 182 transitions. [2023-11-26 10:47:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:47:16,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2023-11-26 10:47:16,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:16,425 INFO L225 Difference]: With dead ends: 127 [2023-11-26 10:47:16,425 INFO L226 Difference]: Without dead ends: 67 [2023-11-26 10:47:16,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:16,428 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 10 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:16,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 238 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:16,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-26 10:47:16,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2023-11-26 10:47:16,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 56 states have internal predecessors, (79), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:47:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 89 transitions. [2023-11-26 10:47:16,444 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 89 transitions. Word has length 55 [2023-11-26 10:47:16,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:16,445 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 89 transitions. [2023-11-26 10:47:16,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 10:47:16,445 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2023-11-26 10:47:16,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-26 10:47:16,449 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:16,450 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:16,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:16,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:16,656 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:16,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:16,657 INFO L85 PathProgramCache]: Analyzing trace with hash -852285507, now seen corresponding path program 1 times [2023-11-26 10:47:16,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:16,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416839380] [2023-11-26 10:47:16,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:16,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:16,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:16,659 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:47:16,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-26 10:47:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:16,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:47:16,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:16,970 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:47:16,970 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:16,970 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:16,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416839380] [2023-11-26 10:47:16,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416839380] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:16,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:16,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:47:16,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700881701] [2023-11-26 10:47:16,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:16,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:16,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:16,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:16,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:16,974 INFO L87 Difference]: Start difference. First operand 63 states and 89 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:17,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:17,043 INFO L93 Difference]: Finished difference Result 149 states and 212 transitions. [2023-11-26 10:47:17,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:47:17,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2023-11-26 10:47:17,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:17,046 INFO L225 Difference]: With dead ends: 149 [2023-11-26 10:47:17,046 INFO L226 Difference]: Without dead ends: 87 [2023-11-26 10:47:17,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:17,049 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 48 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 249 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 [2023-11-26 10:47:17,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 249 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:47:17,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-26 10:47:17,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 65. [2023-11-26 10:47:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 58 states have (on average 1.396551724137931) internal successors, (81), 58 states have internal predecessors, (81), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:47:17,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 91 transitions. [2023-11-26 10:47:17,059 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 91 transitions. Word has length 55 [2023-11-26 10:47:17,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:17,060 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 91 transitions. [2023-11-26 10:47:17,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:17,060 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2023-11-26 10:47:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-26 10:47:17,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:17,062 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:17,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:17,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:17,268 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:17,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:17,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1245312517, now seen corresponding path program 1 times [2023-11-26 10:47:17,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:17,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721603501] [2023-11-26 10:47:17,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:17,270 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:17,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:17,272 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:47:17,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-26 10:47:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:17,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:47:17,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:17,582 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:47:17,582 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:17,583 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:17,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721603501] [2023-11-26 10:47:17,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721603501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:17,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:17,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:47:17,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414621203] [2023-11-26 10:47:17,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:17,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:17,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:17,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:17,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:17,587 INFO L87 Difference]: Start difference. First operand 65 states and 91 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:17,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:17,705 INFO L93 Difference]: Finished difference Result 160 states and 226 transitions. [2023-11-26 10:47:17,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:47:17,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2023-11-26 10:47:17,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:17,713 INFO L225 Difference]: With dead ends: 160 [2023-11-26 10:47:17,713 INFO L226 Difference]: Without dead ends: 96 [2023-11-26 10:47:17,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:47:17,723 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 69 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:17,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 342 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:17,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-26 10:47:17,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 67. [2023-11-26 10:47:17,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 60 states have internal predecessors, (83), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:47:17,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2023-11-26 10:47:17,746 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 55 [2023-11-26 10:47:17,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:17,747 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2023-11-26 10:47:17,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:17,748 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2023-11-26 10:47:17,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-26 10:47:17,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:17,754 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:17,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:17,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:17,962 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:17,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:17,963 INFO L85 PathProgramCache]: Analyzing trace with hash -2054659143, now seen corresponding path program 1 times [2023-11-26 10:47:17,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:17,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365220301] [2023-11-26 10:47:17,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:17,965 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:17,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:17,968 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:47:18,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-26 10:47:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:18,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:47:18,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:18,282 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:47:18,283 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:18,283 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:18,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1365220301] [2023-11-26 10:47:18,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1365220301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:18,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:18,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 10:47:18,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115096100] [2023-11-26 10:47:18,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:18,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:47:18,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:18,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:47:18,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:47:18,287 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:18,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:18,506 INFO L93 Difference]: Finished difference Result 154 states and 213 transitions. [2023-11-26 10:47:18,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-26 10:47:18,507 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2023-11-26 10:47:18,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:18,509 INFO L225 Difference]: With dead ends: 154 [2023-11-26 10:47:18,509 INFO L226 Difference]: Without dead ends: 88 [2023-11-26 10:47:18,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-26 10:47:18,510 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 34 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:18,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 446 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:47:18,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-26 10:47:18,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 71. [2023-11-26 10:47:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:47:18,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 97 transitions. [2023-11-26 10:47:18,524 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 97 transitions. Word has length 55 [2023-11-26 10:47:18,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:18,527 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 97 transitions. [2023-11-26 10:47:18,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2023-11-26 10:47:18,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-26 10:47:18,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:18,530 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:18,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:18,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:18,737 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:18,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:18,737 INFO L85 PathProgramCache]: Analyzing trace with hash -2054599561, now seen corresponding path program 1 times [2023-11-26 10:47:18,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:18,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444507939] [2023-11-26 10:47:18,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:18,739 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:18,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:18,740 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:47:18,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-26 10:47:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:19,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 10:47:19,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:19,114 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 14 treesize of output 10 [2023-11-26 10:47:19,274 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 0 case distinctions, treesize of input 26 treesize of output 14 [2023-11-26 10:47:19,290 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 0 case distinctions, treesize of input 32 treesize of output 25 [2023-11-26 10:47:19,382 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:47:19,382 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 76 treesize of output 34 [2023-11-26 10:47:19,421 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-26 10:47:19,421 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:19,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:19,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444507939] [2023-11-26 10:47:19,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444507939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:19,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:19,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:47:19,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878987260] [2023-11-26 10:47:19,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:19,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:47:19,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:19,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:47:19,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:47:19,425 INFO L87 Difference]: Start difference. First operand 71 states and 97 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 10:47:19,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:19,972 INFO L93 Difference]: Finished difference Result 182 states and 247 transitions. [2023-11-26 10:47:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:47:19,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2023-11-26 10:47:19,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:19,975 INFO L225 Difference]: With dead ends: 182 [2023-11-26 10:47:19,975 INFO L226 Difference]: Without dead ends: 112 [2023-11-26 10:47:19,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:47:19,976 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 203 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:19,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 264 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 10:47:19,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-26 10:47:20,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 90. [2023-11-26 10:47:20,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 79 states have (on average 1.3291139240506329) internal successors, (105), 80 states have internal predecessors, (105), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-26 10:47:20,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2023-11-26 10:47:20,009 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 55 [2023-11-26 10:47:20,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:20,009 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2023-11-26 10:47:20,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 10:47:20,010 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2023-11-26 10:47:20,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-26 10:47:20,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:20,020 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:20,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:20,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:20,229 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:20,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:20,229 INFO L85 PathProgramCache]: Analyzing trace with hash 757046272, now seen corresponding path program 1 times [2023-11-26 10:47:20,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:20,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704775394] [2023-11-26 10:47:20,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:20,231 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:20,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:20,232 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:47:20,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-26 10:47:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:20,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 10:47:20,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:20,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 10 [2023-11-26 10:47:21,850 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:47:21,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 198 treesize of output 102 [2023-11-26 10:47:22,632 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:47:22,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 391 treesize of output 135 [2023-11-26 10:47:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-26 10:47:22,751 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:47:23,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:23,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704775394] [2023-11-26 10:47:23,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704775394] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:47:23,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1471512643] [2023-11-26 10:47:23,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:23,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-26 10:47:23,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/cvc4 [2023-11-26 10:47:23,156 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-26 10:47:23,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-26 10:47:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:24,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-26 10:47:24,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:24,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-26 10:47:26,089 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:47:26,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 100 [2023-11-26 10:47:27,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:47:27,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 190 treesize of output 78 [2023-11-26 10:47:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-26 10:47:27,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:47:27,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1471512643] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:47:27,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:47:27,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2023-11-26 10:47:27,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210078736] [2023-11-26 10:47:27,457 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:47:27,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-26 10:47:27,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:27,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-26 10:47:27,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2023-11-26 10:47:27,460 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand has 16 states, 16 states have (on average 4.3125) internal successors, (69), 15 states have internal predecessors, (69), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-26 10:47:30,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:30,225 INFO L93 Difference]: Finished difference Result 248 states and 330 transitions. [2023-11-26 10:47:30,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 10:47:30,232 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 15 states have internal predecessors, (69), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 57 [2023-11-26 10:47:30,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:30,235 INFO L225 Difference]: With dead ends: 248 [2023-11-26 10:47:30,235 INFO L226 Difference]: Without dead ends: 172 [2023-11-26 10:47:30,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2023-11-26 10:47:30,237 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 325 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:30,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 646 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-26 10:47:30,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-11-26 10:47:30,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 161. [2023-11-26 10:47:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 141 states have (on average 1.3191489361702127) internal successors, (186), 144 states have internal predecessors, (186), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 10:47:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 214 transitions. [2023-11-26 10:47:30,260 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 214 transitions. Word has length 57 [2023-11-26 10:47:30,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:30,261 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 214 transitions. [2023-11-26 10:47:30,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 15 states have internal predecessors, (69), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-26 10:47:30,262 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 214 transitions. [2023-11-26 10:47:30,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-26 10:47:30,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:30,263 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:30,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:30,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-26 10:47:30,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt [2023-11-26 10:47:30,670 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:30,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:30,670 INFO L85 PathProgramCache]: Analyzing trace with hash -52300354, now seen corresponding path program 1 times [2023-11-26 10:47:30,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:30,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946857808] [2023-11-26 10:47:30,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:30,671 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:30,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:30,672 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:47:30,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-26 10:47:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:31,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 10:47:31,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:31,024 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 12 treesize of output 8 [2023-11-26 10:47:31,040 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:47:31,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 32 [2023-11-26 10:47:31,146 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:47:31,146 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 51 treesize of output 27 [2023-11-26 10:47:31,166 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:47:31,166 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:31,166 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:31,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946857808] [2023-11-26 10:47:31,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1946857808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:31,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:31,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:47:31,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871790399] [2023-11-26 10:47:31,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:31,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:47:31,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:31,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:47:31,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:47:31,169 INFO L87 Difference]: Start difference. First operand 161 states and 214 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:31,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:31,598 INFO L93 Difference]: Finished difference Result 341 states and 448 transitions. [2023-11-26 10:47:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:47:31,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-26 10:47:31,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:31,605 INFO L225 Difference]: With dead ends: 341 [2023-11-26 10:47:31,605 INFO L226 Difference]: Without dead ends: 195 [2023-11-26 10:47:31,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:47:31,606 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 142 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:31,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 326 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 10:47:31,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-26 10:47:31,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 177. [2023-11-26 10:47:31,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 151 states have (on average 1.2847682119205297) internal successors, (194), 154 states have internal predecessors, (194), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 10:47:31,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 230 transitions. [2023-11-26 10:47:31,640 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 230 transitions. Word has length 57 [2023-11-26 10:47:31,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:31,641 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 230 transitions. [2023-11-26 10:47:31,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:31,641 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 230 transitions. [2023-11-26 10:47:31,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-26 10:47:31,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:31,642 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:31,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:31,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:31,849 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:31,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:31,849 INFO L85 PathProgramCache]: Analyzing trace with hash -445327364, now seen corresponding path program 1 times [2023-11-26 10:47:31,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:31,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546371925] [2023-11-26 10:47:31,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:31,850 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:31,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:31,852 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:47:31,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-26 10:47:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:32,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-26 10:47:32,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:32,423 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 0 case distinctions, treesize of input 26 treesize of output 14 [2023-11-26 10:47:32,440 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 17 treesize of output 13 [2023-11-26 10:47:32,466 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 0 case distinctions, treesize of input 49 treesize of output 40 [2023-11-26 10:47:32,626 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:47:32,626 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 89 treesize of output 59 [2023-11-26 10:47:32,630 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 75 treesize of output 55 [2023-11-26 10:47:32,671 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:47:32,671 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:32,671 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:32,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546371925] [2023-11-26 10:47:32,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546371925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:32,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:32,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 10:47:32,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312045192] [2023-11-26 10:47:32,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:32,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 10:47:32,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:32,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 10:47:32,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:47:32,674 INFO L87 Difference]: Start difference. First operand 177 states and 230 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:33,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:33,956 INFO L93 Difference]: Finished difference Result 689 states and 896 transitions. [2023-11-26 10:47:33,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-26 10:47:33,958 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-26 10:47:33,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:33,962 INFO L225 Difference]: With dead ends: 689 [2023-11-26 10:47:33,963 INFO L226 Difference]: Without dead ends: 543 [2023-11-26 10:47:33,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2023-11-26 10:47:33,964 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 386 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:33,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 794 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-26 10:47:33,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2023-11-26 10:47:34,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 469. [2023-11-26 10:47:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 413 states have (on average 1.2832929782082325) internal successors, (530), 418 states have internal predecessors, (530), 38 states have call successors, (38), 17 states have call predecessors, (38), 17 states have return successors, (38), 33 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-26 10:47:34,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 606 transitions. [2023-11-26 10:47:34,037 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 606 transitions. Word has length 57 [2023-11-26 10:47:34,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:34,038 INFO L495 AbstractCegarLoop]: Abstraction has 469 states and 606 transitions. [2023-11-26 10:47:34,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:34,038 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 606 transitions. [2023-11-26 10:47:34,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-26 10:47:34,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:34,040 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:34,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:34,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:34,247 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:34,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:34,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1262975814, now seen corresponding path program 1 times [2023-11-26 10:47:34,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:34,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207534650] [2023-11-26 10:47:34,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:34,249 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:34,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:34,250 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:47:34,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-26 10:47:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:34,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-26 10:47:34,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:34,742 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 19 treesize of output 1 [2023-11-26 10:47:34,857 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 0 case distinctions, treesize of input 26 treesize of output 14 [2023-11-26 10:47:34,900 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 17 treesize of output 13 [2023-11-26 10:47:35,144 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 0 case distinctions, treesize of input 42 treesize of output 30 [2023-11-26 10:47:35,180 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 0 case distinctions, treesize of input 48 treesize of output 41 [2023-11-26 10:47:35,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:47:35,473 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 54 treesize of output 30 [2023-11-26 10:47:35,483 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 41 treesize of output 29 [2023-11-26 10:47:35,492 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 42 treesize of output 26 [2023-11-26 10:47:35,571 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:47:35,574 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:35,575 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:35,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207534650] [2023-11-26 10:47:35,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [207534650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:35,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:35,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 10:47:35,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627455895] [2023-11-26 10:47:35,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:35,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 10:47:35,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:35,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:47:35,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:47:35,578 INFO L87 Difference]: Start difference. First operand 469 states and 606 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:37,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:37,697 INFO L93 Difference]: Finished difference Result 1035 states and 1333 transitions. [2023-11-26 10:47:37,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:47:37,699 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-26 10:47:37,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:37,704 INFO L225 Difference]: With dead ends: 1035 [2023-11-26 10:47:37,704 INFO L226 Difference]: Without dead ends: 597 [2023-11-26 10:47:37,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-11-26 10:47:37,706 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 141 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:37,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 552 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-26 10:47:37,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2023-11-26 10:47:37,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 361. [2023-11-26 10:47:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 320 states have (on average 1.303125) internal successors, (417), 324 states have internal predecessors, (417), 28 states have call successors, (28), 12 states have call predecessors, (28), 12 states have return successors, (28), 24 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-26 10:47:37,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 473 transitions. [2023-11-26 10:47:37,771 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 473 transitions. Word has length 57 [2023-11-26 10:47:37,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:37,771 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 473 transitions. [2023-11-26 10:47:37,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:37,772 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 473 transitions. [2023-11-26 10:47:37,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-26 10:47:37,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:37,773 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:37,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:37,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:37,980 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:37,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:37,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1685530232, now seen corresponding path program 1 times [2023-11-26 10:47:37,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:37,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605803446] [2023-11-26 10:47:37,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:37,981 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:37,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:37,982 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:47:37,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-26 10:47:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:38,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 10:47:38,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:38,542 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:47:38,542 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 175 treesize of output 67 [2023-11-26 10:47:38,614 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-26 10:47:38,615 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:47:38,966 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:47:38,968 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 113 treesize of output 1 [2023-11-26 10:47:38,978 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-26 10:47:38,978 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:38,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605803446] [2023-11-26 10:47:38,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605803446] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:47:38,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:47:38,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2023-11-26 10:47:38,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670402986] [2023-11-26 10:47:38,979 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:47:38,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-26 10:47:38,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:38,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 10:47:38,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-26 10:47:38,981 INFO L87 Difference]: Start difference. First operand 361 states and 473 transitions. Second operand has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 4 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2023-11-26 10:47:40,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:40,308 INFO L93 Difference]: Finished difference Result 746 states and 968 transitions. [2023-11-26 10:47:40,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-26 10:47:40,311 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 4 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 59 [2023-11-26 10:47:40,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:40,315 INFO L225 Difference]: With dead ends: 746 [2023-11-26 10:47:40,315 INFO L226 Difference]: Without dead ends: 375 [2023-11-26 10:47:40,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2023-11-26 10:47:40,317 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 95 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:40,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 503 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 10:47:40,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-11-26 10:47:40,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 355. [2023-11-26 10:47:40,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 314 states have (on average 1.2898089171974523) internal successors, (405), 318 states have internal predecessors, (405), 28 states have call successors, (28), 12 states have call predecessors, (28), 12 states have return successors, (28), 24 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-26 10:47:40,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 461 transitions. [2023-11-26 10:47:40,365 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 461 transitions. Word has length 59 [2023-11-26 10:47:40,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:40,365 INFO L495 AbstractCegarLoop]: Abstraction has 355 states and 461 transitions. [2023-11-26 10:47:40,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 4 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2023-11-26 10:47:40,366 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 461 transitions. [2023-11-26 10:47:40,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-26 10:47:40,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:40,368 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:40,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:40,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:40,580 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:40,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:40,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1770829936, now seen corresponding path program 1 times [2023-11-26 10:47:40,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:40,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543849522] [2023-11-26 10:47:40,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:40,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:40,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:40,583 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:47:40,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-26 10:47:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:40,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-26 10:47:40,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:47:41,112 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 0 case distinctions, treesize of input 26 treesize of output 14 [2023-11-26 10:47:41,124 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 17 treesize of output 13 [2023-11-26 10:47:41,150 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 0 case distinctions, treesize of input 49 treesize of output 40 [2023-11-26 10:47:41,713 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 10:47:41,714 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:47:41,714 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:47:41,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543849522] [2023-11-26 10:47:41,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543849522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:41,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:41,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-26 10:47:41,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103378068] [2023-11-26 10:47:41,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:41,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-26 10:47:41,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:47:41,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 10:47:41,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:47:41,716 INFO L87 Difference]: Start difference. First operand 355 states and 461 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:43,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:43,021 INFO L93 Difference]: Finished difference Result 533 states and 685 transitions. [2023-11-26 10:47:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 10:47:43,021 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 59 [2023-11-26 10:47:43,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:43,025 INFO L225 Difference]: With dead ends: 533 [2023-11-26 10:47:43,026 INFO L226 Difference]: Without dead ends: 531 [2023-11-26 10:47:43,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2023-11-26 10:47:43,027 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 342 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:43,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 595 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-26 10:47:43,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2023-11-26 10:47:43,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 359. [2023-11-26 10:47:43,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 318 states have (on average 1.2861635220125787) internal successors, (409), 322 states have internal predecessors, (409), 28 states have call successors, (28), 12 states have call predecessors, (28), 12 states have return successors, (28), 24 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-26 10:47:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 465 transitions. [2023-11-26 10:47:43,073 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 465 transitions. Word has length 59 [2023-11-26 10:47:43,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:43,073 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 465 transitions. [2023-11-26 10:47:43,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:47:43,074 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 465 transitions. [2023-11-26 10:47:43,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-26 10:47:43,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:43,075 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:43,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-11-26 10:47:43,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:43,288 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:43,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:43,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1770770354, now seen corresponding path program 1 times [2023-11-26 10:47:43,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:47:43,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331133311] [2023-11-26 10:47:43,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:43,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:47:43,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:47:43,290 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:47:43,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208f4e8a-049c-41fe-9bee-a1e2e996d702/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process