./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-54.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ --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 2f657570a1e1457f1f304b0d552f8742bb723e9b2810b7fa1033cb000332d16c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:37:12,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:37:13,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-23 21:37:13,037 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:37:13,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:37:13,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:37:13,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:37:13,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:37:13,095 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:37:13,102 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:37:13,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:37:13,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:37:13,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:37:13,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:37:13,108 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:37:13,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:37:13,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:37:13,109 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:37:13,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:37:13,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:37:13,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:37:13,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:37:13,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:37:13,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:37:13,112 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:37:13,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:37:13,113 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:37:13,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:37:13,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:37:13,115 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:37:13,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:37:13,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:37:13,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:37:13,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:37:13,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:37:13,118 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:37:13,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:37:13,118 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:37:13,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:37:13,119 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:37:13,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:37:13,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:37:13,120 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_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f657570a1e1457f1f304b0d552f8742bb723e9b2810b7fa1033cb000332d16c [2023-11-23 21:37:13,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:37:13,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:37:13,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:37:13,539 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:37:13,539 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:37:13,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-54.i [2023-11-23 21:37:16,814 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:37:17,077 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:37:17,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-54.i [2023-11-23 21:37:17,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/data/b99268187/817e89c110604f3687c0e8dfce70719b/FLAG4291ad1b7 [2023-11-23 21:37:17,104 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/data/b99268187/817e89c110604f3687c0e8dfce70719b [2023-11-23 21:37:17,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:37:17,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:37:17,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:37:17,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:37:17,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:37:17,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:37:17" (1/1) ... [2023-11-23 21:37:17,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283589e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17, skipping insertion in model container [2023-11-23 21:37:17,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:37:17" (1/1) ... [2023-11-23 21:37:17,163 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:37:17,318 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_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-54.i[916,929] [2023-11-23 21:37:17,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:37:17,397 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:37:17,412 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_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-54.i[916,929] [2023-11-23 21:37:17,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:37:17,483 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:37:17,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17 WrapperNode [2023-11-23 21:37:17,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:37:17,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:37:17,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:37:17,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:37:17,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17" (1/1) ... [2023-11-23 21:37:17,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17" (1/1) ... [2023-11-23 21:37:17,567 INFO L138 Inliner]: procedures = 29, calls = 143, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 414 [2023-11-23 21:37:17,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:37:17,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:37:17,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:37:17,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:37:17,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17" (1/1) ... [2023-11-23 21:37:17,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17" (1/1) ... [2023-11-23 21:37:17,590 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17" (1/1) ... [2023-11-23 21:37:17,611 INFO L189 HeapSplitter]: Split 115 memory accesses to 6 slices as follows [2, 33, 41, 7, 13, 19] [2023-11-23 21:37:17,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17" (1/1) ... [2023-11-23 21:37:17,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17" (1/1) ... [2023-11-23 21:37:17,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17" (1/1) ... [2023-11-23 21:37:17,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17" (1/1) ... [2023-11-23 21:37:17,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17" (1/1) ... [2023-11-23 21:37:17,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17" (1/1) ... [2023-11-23 21:37:17,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:37:17,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:37:17,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:37:17,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:37:17,663 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17" (1/1) ... [2023-11-23 21:37:17,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:37:17,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:37:17,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:37:17,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:37:17,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:37:17,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 21:37:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 21:37:17,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 21:37:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 21:37:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 21:37:17,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 21:37:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-23 21:37:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-23 21:37:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-23 21:37:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-23 21:37:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-23 21:37:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-23 21:37:17,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-23 21:37:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-23 21:37:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-23 21:37:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-23 21:37:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-23 21:37:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-23 21:37:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 21:37:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 21:37:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 21:37:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 21:37:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 21:37:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 21:37:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-23 21:37:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-23 21:37:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-23 21:37:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-23 21:37:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-23 21:37:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-23 21:37:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:37:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:37:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 21:37:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 21:37:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 21:37:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 21:37:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 21:37:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 21:37:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:37:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:37:17,985 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:37:17,996 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:37:18,640 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:37:18,706 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:37:18,711 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:37:18,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:37:18 BoogieIcfgContainer [2023-11-23 21:37:18,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:37:18,715 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:37:18,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:37:18,719 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:37:18,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:37:17" (1/3) ... [2023-11-23 21:37:18,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec9c871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:37:18, skipping insertion in model container [2023-11-23 21:37:18,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:17" (2/3) ... [2023-11-23 21:37:18,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec9c871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:37:18, skipping insertion in model container [2023-11-23 21:37:18,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:37:18" (3/3) ... [2023-11-23 21:37:18,725 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-54.i [2023-11-23 21:37:18,748 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:37:18,749 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:37:18,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:37:18,827 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;@76af6463, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:37:18,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:37:18,832 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 88 states have (on average 1.4886363636363635) internal successors, (131), 89 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:37:18,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 21:37:18,849 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:18,850 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:18,850 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:18,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:18,857 INFO L85 PathProgramCache]: Analyzing trace with hash -146586112, now seen corresponding path program 1 times [2023-11-23 21:37:18,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:37:18,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060876888] [2023-11-23 21:37:18,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:18,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:37:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:19,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:37:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:19,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 21:37:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:19,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 21:37:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:19,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:37:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:19,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 21:37:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:19,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 21:37:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:19,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 21:37:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:19,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:37:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:19,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:37:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:37:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:37:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:19,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 21:37:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:19,339 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:19,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:37:19,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060876888] [2023-11-23 21:37:19,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060876888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:19,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:19,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:37:19,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880116350] [2023-11-23 21:37:19,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:19,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:37:19,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:37:19,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:37:19,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:37:19,413 INFO L87 Difference]: Start difference. First operand has 103 states, 88 states have (on average 1.4886363636363635) internal successors, (131), 89 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:37:19,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:19,496 INFO L93 Difference]: Finished difference Result 203 states and 320 transitions. [2023-11-23 21:37:19,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:37:19,500 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2023-11-23 21:37:19,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:19,513 INFO L225 Difference]: With dead ends: 203 [2023-11-23 21:37:19,513 INFO L226 Difference]: Without dead ends: 101 [2023-11-23 21:37:19,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:37:19,525 INFO L413 NwaCegarLoop]: 146 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, 146 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 [2023-11-23 21:37:19,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:37:19,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-23 21:37:19,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-11-23 21:37:19,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 87 states have internal predecessors, (126), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:37:19,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 150 transitions. [2023-11-23 21:37:19,609 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 150 transitions. Word has length 100 [2023-11-23 21:37:19,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:19,610 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 150 transitions. [2023-11-23 21:37:19,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:37:19,611 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2023-11-23 21:37:19,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 21:37:19,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:19,623 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:19,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:37:19,625 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:19,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:19,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1921059756, now seen corresponding path program 1 times [2023-11-23 21:37:19,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:37:19,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411201863] [2023-11-23 21:37:19,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:19,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:37:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:37:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 21:37:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 21:37:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:37:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 21:37:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 21:37:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 21:37:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:37:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:37:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:37:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:37:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 21:37:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,301 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:20,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:37:20,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411201863] [2023-11-23 21:37:20,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411201863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:20,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:20,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:37:20,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97231926] [2023-11-23 21:37:20,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:20,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:37:20,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:37:20,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:37:20,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:37:20,315 INFO L87 Difference]: Start difference. First operand 101 states and 150 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:20,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:20,435 INFO L93 Difference]: Finished difference Result 232 states and 346 transitions. [2023-11-23 21:37:20,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:37:20,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 100 [2023-11-23 21:37:20,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:20,443 INFO L225 Difference]: With dead ends: 232 [2023-11-23 21:37:20,444 INFO L226 Difference]: Without dead ends: 132 [2023-11-23 21:37:20,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:37:20,451 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 76 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:20,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 464 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:37:20,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-23 21:37:20,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 103. [2023-11-23 21:37:20,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 89 states have (on average 1.4382022471910112) internal successors, (128), 89 states have internal predecessors, (128), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:37:20,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2023-11-23 21:37:20,470 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 100 [2023-11-23 21:37:20,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:20,475 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2023-11-23 21:37:20,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2023-11-23 21:37:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 21:37:20,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:20,479 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:20,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:37:20,479 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:20,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:20,480 INFO L85 PathProgramCache]: Analyzing trace with hash -154964975, now seen corresponding path program 1 times [2023-11-23 21:37:20,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:37:20,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516950194] [2023-11-23 21:37:20,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:20,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:37:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:37:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 21:37:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 21:37:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:37:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 21:37:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 21:37:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 21:37:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:37:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:37:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:37:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:37:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 21:37:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:20,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:37:20,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516950194] [2023-11-23 21:37:20,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516950194] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:20,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:20,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:37:20,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765423960] [2023-11-23 21:37:20,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:20,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:37:20,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:37:20,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:37:20,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:37:20,791 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:20,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:20,862 INFO L93 Difference]: Finished difference Result 213 states and 314 transitions. [2023-11-23 21:37:20,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:37:20,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 102 [2023-11-23 21:37:20,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:20,865 INFO L225 Difference]: With dead ends: 213 [2023-11-23 21:37:20,865 INFO L226 Difference]: Without dead ends: 111 [2023-11-23 21:37:20,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:37:20,874 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 12 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 426 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 [2023-11-23 21:37:20,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 426 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:37:20,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-23 21:37:20,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 105. [2023-11-23 21:37:20,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.4285714285714286) internal successors, (130), 91 states have internal predecessors, (130), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:37:20,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 154 transitions. [2023-11-23 21:37:20,899 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 154 transitions. Word has length 102 [2023-11-23 21:37:20,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:20,899 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 154 transitions. [2023-11-23 21:37:20,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:20,900 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 154 transitions. [2023-11-23 21:37:20,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 21:37:20,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:20,902 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:20,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:37:20,903 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:20,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:20,903 INFO L85 PathProgramCache]: Analyzing trace with hash -97706673, now seen corresponding path program 1 times [2023-11-23 21:37:20,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:37:20,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803615996] [2023-11-23 21:37:20,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:20,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:37:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:37:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 21:37:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 21:37:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:37:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 21:37:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 21:37:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 21:37:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:37:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:37:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:37:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:37:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 21:37:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,126 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:21,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:37:21,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803615996] [2023-11-23 21:37:21,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803615996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:21,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:21,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:37:21,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423920532] [2023-11-23 21:37:21,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:21,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:37:21,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:37:21,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:37:21,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:37:21,130 INFO L87 Difference]: Start difference. First operand 105 states and 154 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:21,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:21,187 INFO L93 Difference]: Finished difference Result 213 states and 312 transitions. [2023-11-23 21:37:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:37:21,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 102 [2023-11-23 21:37:21,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:21,190 INFO L225 Difference]: With dead ends: 213 [2023-11-23 21:37:21,190 INFO L226 Difference]: Without dead ends: 109 [2023-11-23 21:37:21,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:37:21,198 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 3 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:21,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 427 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:37:21,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-23 21:37:21,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2023-11-23 21:37:21,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 93 states have (on average 1.4193548387096775) internal successors, (132), 93 states have internal predecessors, (132), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:37:21,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2023-11-23 21:37:21,216 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 156 transitions. Word has length 102 [2023-11-23 21:37:21,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:21,217 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 156 transitions. [2023-11-23 21:37:21,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:21,217 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2023-11-23 21:37:21,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 21:37:21,219 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:21,219 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:21,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:37:21,219 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:21,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:21,220 INFO L85 PathProgramCache]: Analyzing trace with hash -97647091, now seen corresponding path program 1 times [2023-11-23 21:37:21,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:37:21,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977560470] [2023-11-23 21:37:21,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:21,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:37:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:37:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 21:37:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 21:37:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:37:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 21:37:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 21:37:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 21:37:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:37:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:37:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:37:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:37:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 21:37:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:21,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:37:21,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977560470] [2023-11-23 21:37:21,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977560470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:21,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:21,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:37:21,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931326446] [2023-11-23 21:37:21,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:21,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:37:21,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:37:21,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:37:21,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:37:21,449 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:21,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:21,608 INFO L93 Difference]: Finished difference Result 345 states and 503 transitions. [2023-11-23 21:37:21,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:37:21,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 102 [2023-11-23 21:37:21,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:21,614 INFO L225 Difference]: With dead ends: 345 [2023-11-23 21:37:21,615 INFO L226 Difference]: Without dead ends: 239 [2023-11-23 21:37:21,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:37:21,617 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 222 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:21,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 551 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:37:21,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-11-23 21:37:21,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 128. [2023-11-23 21:37:21,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 114 states have (on average 1.4473684210526316) internal successors, (165), 114 states have internal predecessors, (165), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:37:21,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 189 transitions. [2023-11-23 21:37:21,647 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 189 transitions. Word has length 102 [2023-11-23 21:37:21,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:21,649 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 189 transitions. [2023-11-23 21:37:21,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 189 transitions. [2023-11-23 21:37:21,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:37:21,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:21,655 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:21,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:37:21,656 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:21,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:21,657 INFO L85 PathProgramCache]: Analyzing trace with hash -39415404, now seen corresponding path program 1 times [2023-11-23 21:37:21,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:37:21,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28904263] [2023-11-23 21:37:21,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:21,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:37:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:37:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 21:37:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 21:37:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:37:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 21:37:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 21:37:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 21:37:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:37:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:37:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:37:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:37:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 21:37:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,020 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:22,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:37:22,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28904263] [2023-11-23 21:37:22,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28904263] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:22,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:22,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:37:22,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920377818] [2023-11-23 21:37:22,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:22,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:37:22,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:37:22,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:37:22,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:37:22,023 INFO L87 Difference]: Start difference. First operand 128 states and 189 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:22,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:22,116 INFO L93 Difference]: Finished difference Result 357 states and 525 transitions. [2023-11-23 21:37:22,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:37:22,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2023-11-23 21:37:22,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:22,119 INFO L225 Difference]: With dead ends: 357 [2023-11-23 21:37:22,120 INFO L226 Difference]: Without dead ends: 230 [2023-11-23 21:37:22,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:37:22,121 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 109 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:22,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 398 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:37:22,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2023-11-23 21:37:22,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 226. [2023-11-23 21:37:22,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 199 states have (on average 1.4271356783919598) internal successors, (284), 199 states have internal predecessors, (284), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 21:37:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 332 transitions. [2023-11-23 21:37:22,146 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 332 transitions. Word has length 103 [2023-11-23 21:37:22,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:22,147 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 332 transitions. [2023-11-23 21:37:22,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:22,147 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 332 transitions. [2023-11-23 21:37:22,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:37:22,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:22,151 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:22,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 21:37:22,152 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:22,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:22,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1728359146, now seen corresponding path program 1 times [2023-11-23 21:37:22,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:37:22,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421757651] [2023-11-23 21:37:22,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:22,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:37:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:37:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 21:37:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 21:37:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:37:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 21:37:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 21:37:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 21:37:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:37:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:37:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:37:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:37:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 21:37:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:22,608 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:22,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:37:22,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421757651] [2023-11-23 21:37:22,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421757651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:22,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:22,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:37:22,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352525456] [2023-11-23 21:37:22,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:22,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:37:22,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:37:22,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:37:22,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:37:22,611 INFO L87 Difference]: Start difference. First operand 226 states and 332 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:22,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:22,817 INFO L93 Difference]: Finished difference Result 455 states and 667 transitions. [2023-11-23 21:37:22,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:37:22,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2023-11-23 21:37:22,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:22,820 INFO L225 Difference]: With dead ends: 455 [2023-11-23 21:37:22,820 INFO L226 Difference]: Without dead ends: 230 [2023-11-23 21:37:22,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:37:22,822 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 143 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:22,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 505 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:37:22,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2023-11-23 21:37:22,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 226. [2023-11-23 21:37:22,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 199 states have (on average 1.4221105527638191) internal successors, (283), 199 states have internal predecessors, (283), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 21:37:22,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 331 transitions. [2023-11-23 21:37:22,843 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 331 transitions. Word has length 103 [2023-11-23 21:37:22,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:22,843 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 331 transitions. [2023-11-23 21:37:22,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:22,844 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 331 transitions. [2023-11-23 21:37:22,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:37:22,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:22,845 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:22,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 21:37:22,846 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:22,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:22,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1470193708, now seen corresponding path program 1 times [2023-11-23 21:37:22,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:37:22,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607601505] [2023-11-23 21:37:22,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:22,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:37:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:23,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:37:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:23,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 21:37:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:23,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 21:37:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:23,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:37:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:23,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 21:37:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:23,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 21:37:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 21:37:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:23,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:37:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:23,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:37:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:23,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:37:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:23,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:37:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 21:37:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:23,998 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:23,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:37:23,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607601505] [2023-11-23 21:37:23,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607601505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:23,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:24,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 21:37:24,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353969136] [2023-11-23 21:37:24,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:24,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:37:24,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:37:24,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:37:24,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:37:24,003 INFO L87 Difference]: Start difference. First operand 226 states and 331 transitions. Second operand has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-23 21:37:24,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:24,401 INFO L93 Difference]: Finished difference Result 599 states and 862 transitions. [2023-11-23 21:37:24,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 21:37:24,402 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 3 states have call successors, (12) Word has length 103 [2023-11-23 21:37:24,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:24,405 INFO L225 Difference]: With dead ends: 599 [2023-11-23 21:37:24,405 INFO L226 Difference]: Without dead ends: 374 [2023-11-23 21:37:24,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:37:24,407 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 218 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:24,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 860 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:37:24,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2023-11-23 21:37:24,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 332. [2023-11-23 21:37:24,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 299 states have (on average 1.394648829431438) internal successors, (417), 301 states have internal predecessors, (417), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:37:24,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 473 transitions. [2023-11-23 21:37:24,431 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 473 transitions. Word has length 103 [2023-11-23 21:37:24,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:24,432 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 473 transitions. [2023-11-23 21:37:24,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 8 states have internal predecessors, (46), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-23 21:37:24,432 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 473 transitions. [2023-11-23 21:37:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:37:24,434 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:24,434 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:24,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 21:37:24,435 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:24,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:24,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1727387092, now seen corresponding path program 1 times [2023-11-23 21:37:24,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:37:24,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263992931] [2023-11-23 21:37:24,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:24,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:37:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:37:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:24,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 21:37:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:24,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 21:37:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:37:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 21:37:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:24,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 21:37:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 21:37:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:37:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:37:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:24,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:37:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:24,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:37:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:24,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 21:37:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:24,929 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:24,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:37:24,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263992931] [2023-11-23 21:37:24,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263992931] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:24,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:24,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:37:24,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77982480] [2023-11-23 21:37:24,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:24,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:37:24,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:37:24,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:37:24,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:37:24,932 INFO L87 Difference]: Start difference. First operand 332 states and 473 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:37:25,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:25,214 INFO L93 Difference]: Finished difference Result 852 states and 1215 transitions. [2023-11-23 21:37:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:37:25,215 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 104 [2023-11-23 21:37:25,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:25,222 INFO L225 Difference]: With dead ends: 852 [2023-11-23 21:37:25,222 INFO L226 Difference]: Without dead ends: 669 [2023-11-23 21:37:25,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:37:25,224 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 254 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:25,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 973 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:37:25,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2023-11-23 21:37:25,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 521. [2023-11-23 21:37:25,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 462 states have (on average 1.3852813852813852) internal successors, (640), 467 states have internal predecessors, (640), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 45 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-23 21:37:25,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 740 transitions. [2023-11-23 21:37:25,270 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 740 transitions. Word has length 104 [2023-11-23 21:37:25,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:25,270 INFO L495 AbstractCegarLoop]: Abstraction has 521 states and 740 transitions. [2023-11-23 21:37:25,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:37:25,271 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 740 transitions. [2023-11-23 21:37:25,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:37:25,273 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:25,273 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:25,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 21:37:25,273 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:25,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:25,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1140581078, now seen corresponding path program 1 times [2023-11-23 21:37:25,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:37:25,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309513188] [2023-11-23 21:37:25,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:25,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:37:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:37:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:25,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 21:37:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:25,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 21:37:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:25,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:37:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 21:37:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:25,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 21:37:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:25,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 21:37:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:37:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:25,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:37:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:25,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:37:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:25,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:37:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:25,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 21:37:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:25,884 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:25,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:37:25,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309513188] [2023-11-23 21:37:25,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309513188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:25,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:25,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 21:37:25,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998275354] [2023-11-23 21:37:25,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:25,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 21:37:25,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:37:25,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 21:37:25,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:37:25,887 INFO L87 Difference]: Start difference. First operand 521 states and 740 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:26,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:26,300 INFO L93 Difference]: Finished difference Result 1146 states and 1633 transitions. [2023-11-23 21:37:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 21:37:26,301 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2023-11-23 21:37:26,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:26,307 INFO L225 Difference]: With dead ends: 1146 [2023-11-23 21:37:26,308 INFO L226 Difference]: Without dead ends: 812 [2023-11-23 21:37:26,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2023-11-23 21:37:26,310 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 309 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 2050 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:26,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 2050 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:37:26,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2023-11-23 21:37:26,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 665. [2023-11-23 21:37:26,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 590 states have (on average 1.38135593220339) internal successors, (815), 596 states have internal predecessors, (815), 64 states have call successors, (64), 10 states have call predecessors, (64), 10 states have return successors, (64), 58 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-23 21:37:26,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 943 transitions. [2023-11-23 21:37:26,365 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 943 transitions. Word has length 104 [2023-11-23 21:37:26,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:26,365 INFO L495 AbstractCegarLoop]: Abstraction has 665 states and 943 transitions. [2023-11-23 21:37:26,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 943 transitions. [2023-11-23 21:37:26,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:37:26,368 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:26,368 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:26,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 21:37:26,369 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:26,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:26,369 INFO L85 PathProgramCache]: Analyzing trace with hash -762141870, now seen corresponding path program 1 times [2023-11-23 21:37:26,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:37:26,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306579346] [2023-11-23 21:37:26,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:26,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:37:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:27,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:37:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:27,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 21:37:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:27,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 21:37:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:27,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:37:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:27,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 21:37:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:27,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 21:37:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:27,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 21:37:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:27,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:37:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:37:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:37:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:27,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:37:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 21:37:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:27,364 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:27,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:37:27,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306579346] [2023-11-23 21:37:27,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306579346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:27,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:27,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 21:37:27,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35927793] [2023-11-23 21:37:27,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:27,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 21:37:27,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:37:27,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 21:37:27,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:37:27,367 INFO L87 Difference]: Start difference. First operand 665 states and 943 transitions. Second operand has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:37:28,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:28,695 INFO L93 Difference]: Finished difference Result 1406 states and 1999 transitions. [2023-11-23 21:37:28,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 21:37:28,696 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 104 [2023-11-23 21:37:28,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:28,703 INFO L225 Difference]: With dead ends: 1406 [2023-11-23 21:37:28,703 INFO L226 Difference]: Without dead ends: 928 [2023-11-23 21:37:28,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2023-11-23 21:37:28,706 INFO L413 NwaCegarLoop]: 367 mSDtfsCounter, 455 mSDsluCounter, 2448 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 2815 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:28,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 2815 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 21:37:28,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2023-11-23 21:37:28,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 519. [2023-11-23 21:37:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 460 states have (on average 1.376086956521739) internal successors, (633), 465 states have internal predecessors, (633), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 45 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-23 21:37:28,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 733 transitions. [2023-11-23 21:37:28,782 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 733 transitions. Word has length 104 [2023-11-23 21:37:28,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:28,782 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 733 transitions. [2023-11-23 21:37:28,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:37:28,783 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 733 transitions. [2023-11-23 21:37:28,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:37:28,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:28,785 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:28,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 21:37:28,785 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:28,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:28,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1348947884, now seen corresponding path program 1 times [2023-11-23 21:37:28,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:37:28,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020427440] [2023-11-23 21:37:28,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:28,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:37:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:29,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:37:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:29,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 21:37:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:29,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 21:37:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:29,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:37:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:29,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 21:37:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:29,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 21:37:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:29,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 21:37:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:37:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:29,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:37:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:29,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:37:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:29,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:37:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 21:37:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:29,296 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:29,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:37:29,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020427440] [2023-11-23 21:37:29,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020427440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:29,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:29,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:37:29,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508050838] [2023-11-23 21:37:29,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:29,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:37:29,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:37:29,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:37:29,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:37:29,299 INFO L87 Difference]: Start difference. First operand 519 states and 733 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:37:29,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:29,553 INFO L93 Difference]: Finished difference Result 1040 states and 1469 transitions. [2023-11-23 21:37:29,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:37:29,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 104 [2023-11-23 21:37:29,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:29,559 INFO L225 Difference]: With dead ends: 1040 [2023-11-23 21:37:29,559 INFO L226 Difference]: Without dead ends: 708 [2023-11-23 21:37:29,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:37:29,561 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 282 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:29,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 968 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:37:29,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2023-11-23 21:37:29,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 511. [2023-11-23 21:37:29,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 452 states have (on average 1.3738938053097345) internal successors, (621), 457 states have internal predecessors, (621), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 45 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-23 21:37:29,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 721 transitions. [2023-11-23 21:37:29,628 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 721 transitions. Word has length 104 [2023-11-23 21:37:29,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:29,629 INFO L495 AbstractCegarLoop]: Abstraction has 511 states and 721 transitions. [2023-11-23 21:37:29,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:37:29,629 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 721 transitions. [2023-11-23 21:37:29,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 21:37:29,631 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:29,631 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:29,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-23 21:37:29,632 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:29,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:29,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1768804226, now seen corresponding path program 1 times [2023-11-23 21:37:29,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:37:29,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434600777] [2023-11-23 21:37:29,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:29,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:37:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:30,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:37:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:30,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 21:37:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:30,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 21:37:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:30,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 21:37:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:30,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 21:37:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:30,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 21:37:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:30,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 21:37:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:30,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:37:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:30,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:37:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:30,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:37:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:30,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:37:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:30,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 21:37:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:30,098 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:30,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:37:30,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434600777] [2023-11-23 21:37:30,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434600777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:30,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:30,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:37:30,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240236841] [2023-11-23 21:37:30,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:30,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:37:30,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:37:30,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:37:30,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:37:30,102 INFO L87 Difference]: Start difference. First operand 511 states and 721 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:30,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:30,215 INFO L93 Difference]: Finished difference Result 537 states and 749 transitions. [2023-11-23 21:37:30,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:37:30,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 105 [2023-11-23 21:37:30,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:30,222 INFO L225 Difference]: With dead ends: 537 [2023-11-23 21:37:30,222 INFO L226 Difference]: Without dead ends: 535 [2023-11-23 21:37:30,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:37:30,224 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 117 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:30,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 594 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:37:30,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2023-11-23 21:37:30,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2023-11-23 21:37:30,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 473 states have (on average 1.357293868921776) internal successors, (642), 478 states have internal predecessors, (642), 50 states have call successors, (50), 11 states have call predecessors, (50), 11 states have return successors, (50), 45 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-23 21:37:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 742 transitions. [2023-11-23 21:37:30,295 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 742 transitions. Word has length 105 [2023-11-23 21:37:30,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:30,298 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 742 transitions. [2023-11-23 21:37:30,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:30,298 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 742 transitions. [2023-11-23 21:37:30,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 21:37:30,300 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:30,300 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:30,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-23 21:37:30,301 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:30,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:30,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1768863808, now seen corresponding path program 1 times [2023-11-23 21:37:30,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:37:30,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119244142] [2023-11-23 21:37:30,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:30,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:37:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:37:30,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:37:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:37:30,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:37:30,516 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:37:30,518 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:37:30,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-23 21:37:30,523 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:30,527 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:37:30,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-23 21:37:30,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-23 21:37:30,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-23 21:37:30,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 21:37:30,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 21:37:30,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-23 21:37:30,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:37:30,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 21:37:30,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:37:30,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-23 21:37:30,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-23 21:37:30,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 21:37:30,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:37:30,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-23 21:37:30,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:37:30,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-23 21:37:30,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 21:37:30,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:37:30,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:37:30,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-23 21:37:30,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:37:30,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-23 21:37:30,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-23 21:37:30,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-23 21:37:30,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-23 21:37:30,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-23 21:37:30,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:37:30,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-23 21:37:30,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 21:37:30,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 21:37:30,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 21:37:30,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 21:37:30,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite26 could not be translated [2023-11-23 21:37:30,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated [2023-11-23 21:37:30,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem24 could not be translated [2023-11-23 21:37:30,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-23 21:37:30,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:37:30,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-23 21:37:30,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-23 21:37:30,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:37:30,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-23 21:37:30,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:37:30,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:37:30,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:37:30,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-23 21:37:30,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-23 21:37:30,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:37:30,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-23 21:37:30,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-23 21:37:30,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-23 21:37:30,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-23 21:37:30,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:37:30,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:37:30,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-23 21:37:30,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:37:30,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-23 21:37:30,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:37:30,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:37:30,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-23 21:37:30,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:37:30,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-23 21:37:30,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-23 21:37:30,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-23 21:37:30,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:37:30,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-23 21:37:30,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:37:30,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-23 21:37:30,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:37:30,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:37:30,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:37:30,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-23 21:37:30,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-23 21:37:30,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-23 21:37:30,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated [2023-11-23 21:37:30,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-23 21:37:30,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-23 21:37:30,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-23 21:37:30,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:37:30,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:37:30,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:37:30,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:37:30,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated [2023-11-23 21:37:30,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-23 21:37:30,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-23 21:37:30,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated [2023-11-23 21:37:30,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-23 21:37:30,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:37:30,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-23 21:37:30,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-23 21:37:30,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-23 21:37:30,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-23 21:37:30,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated [2023-11-23 21:37:30,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-23 21:37:30,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-23 21:37:30,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-23 21:37:30,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:37:30,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-23 21:37:30,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-23 21:37:30,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-23 21:37:30,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-23 21:37:30,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:37:30,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:37:30,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:37:30,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated [2023-11-23 21:37:30,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:37:30,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-23 21:37:30,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated [2023-11-23 21:37:30,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-23 21:37:30,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-23 21:37:30,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-23 21:37:30,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-23 21:37:30,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:37:30,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:37:30,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-23 21:37:30,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated [2023-11-23 21:37:30,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:37:30,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-23 21:37:30,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short123 could not be translated [2023-11-23 21:37:30,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:37:30,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-23 21:37:30,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-23 21:37:30,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-23 21:37:30,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem122 could not be translated [2023-11-23 21:37:30,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem121 could not be translated [2023-11-23 21:37:30,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-23 21:37:30,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-23 21:37:30,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-23 21:37:30,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:37:30,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:37:30,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-23 21:37:30,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:37:30,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated [2023-11-23 21:37:30,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated [2023-11-23 21:37:30,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-23 21:37:30,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-23 21:37:30,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated [2023-11-23 21:37:30,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short126 could not be translated [2023-11-23 21:37:30,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated [2023-11-23 21:37:30,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-23 21:37:30,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem121 could not be translated [2023-11-23 21:37:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-23 21:37:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 21:37:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 21:37:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-23 21:37:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:37:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-23 21:37:30,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem122 could not be translated [2023-11-23 21:37:30,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short123 could not be translated [2023-11-23 21:37:30,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated [2023-11-23 21:37:30,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-23 21:37:30,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:37:30 BoogieIcfgContainer [2023-11-23 21:37:30,681 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:37:30,682 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:37:30,682 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:37:30,682 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:37:30,682 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:37:18" (3/4) ... [2023-11-23 21:37:30,685 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:37:30,686 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:37:30,687 INFO L158 Benchmark]: Toolchain (without parser) took 13578.26ms. Allocated memory was 151.0MB in the beginning and 264.2MB in the end (delta: 113.2MB). Free memory was 120.9MB in the beginning and 89.5MB in the end (delta: 31.4MB). Peak memory consumption was 144.1MB. Max. memory is 16.1GB. [2023-11-23 21:37:30,687 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:37:30,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.19ms. Allocated memory is still 151.0MB. Free memory was 120.9MB in the beginning and 106.7MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:37:30,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.87ms. Allocated memory is still 151.0MB. Free memory was 106.7MB in the beginning and 102.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:37:30,688 INFO L158 Benchmark]: Boogie Preprocessor took 91.99ms. Allocated memory is still 151.0MB. Free memory was 102.6MB in the beginning and 97.8MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:37:30,688 INFO L158 Benchmark]: RCFGBuilder took 1051.60ms. Allocated memory is still 151.0MB. Free memory was 97.8MB in the beginning and 108.8MB in the end (delta: -11.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-23 21:37:30,689 INFO L158 Benchmark]: TraceAbstraction took 11965.74ms. Allocated memory was 151.0MB in the beginning and 264.2MB in the end (delta: 113.2MB). Free memory was 107.6MB in the beginning and 89.5MB in the end (delta: 18.1MB). Peak memory consumption was 133.3MB. Max. memory is 16.1GB. [2023-11-23 21:37:30,689 INFO L158 Benchmark]: Witness Printer took 4.45ms. Allocated memory is still 264.2MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:37:30,691 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.19ms. Allocated memory is still 151.0MB. Free memory was 120.9MB in the beginning and 106.7MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.87ms. Allocated memory is still 151.0MB. Free memory was 106.7MB in the beginning and 102.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.99ms. Allocated memory is still 151.0MB. Free memory was 102.6MB in the beginning and 97.8MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1051.60ms. Allocated memory is still 151.0MB. Free memory was 97.8MB in the beginning and 108.8MB in the end (delta: -11.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 11965.74ms. Allocated memory was 151.0MB in the beginning and 264.2MB in the end (delta: 113.2MB). Free memory was 107.6MB in the beginning and 89.5MB in the end (delta: 18.1MB). Peak memory consumption was 133.3MB. Max. memory is 16.1GB. * Witness Printer took 4.45ms. Allocated memory is still 264.2MB. Free memory is still 89.5MB. 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~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 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~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 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~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short126 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short120 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem121 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem122 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short123 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite119 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 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 84, overapproximation of someBinaryFLOATComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 1}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 1}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 1}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 1}, {0, 0} }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 1}, {0, 0} }; [L25-L27] double double_Array_0[3] = { 5.5, 4.1, 9.75 }; [L25-L27] double double_Array_0[3] = { 5.5, 4.1, 9.75 }; [L25-L27] double double_Array_0[3] = { 5.5, 4.1, 9.75 }; [L25-L27] double double_Array_0[3] = { 5.5, 4.1, 9.75 }; [L28-L30] float float_Array_0[1] = { 9.8 }; [L28-L30] float float_Array_0[1] = { 9.8 }; [L31-L33] signed char signed_char_Array_0[2] = { 2, 25 }; [L31-L33] signed char signed_char_Array_0[2] = { 2, 25 }; [L31-L33] signed char signed_char_Array_0[2] = { 2, 25 }; [L34-L36] unsigned char unsigned_char_Array_0[2] = { 10, 16 }; [L34-L36] unsigned char unsigned_char_Array_0[2] = { 10, 16 }; [L34-L36] unsigned char unsigned_char_Array_0[2] = { 10, 16 }; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] FCALL updateLastVariables() [L103] CALL updateVariables() [L72] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L73] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] BOOL_unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L79] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] double_Array_0[0] = __VERIFIER_nondet_double() [L82] EXPR double_Array_0[0] [L82] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F [L82] EXPR double_Array_0[0] [L82] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L83] double_Array_0[1] = __VERIFIER_nondet_double() [L84] EXPR double_Array_0[1] [L84] 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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F [L84] EXPR double_Array_0[1] [L84] 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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] 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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] 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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] 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}, float_Array_0={6:0}, isInitial=1, signed_char_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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] 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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] signed_char_Array_0[0] = __VERIFIER_nondet_char() [L86] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L86] RET assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] RET assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L89] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L103] RET updateVariables() [L104] CALL step() [L40] EXPR double_Array_0[0] [L40] float_Array_0[0] = double_Array_0[0] [L41] EXPR signed_char_Array_0[0] [L41] signed_char_Array_0[1] = signed_char_Array_0[0] [L42] signed long int stepLocal_0 = -4; [L43] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L43] COND FALSE !(stepLocal_0 >= signed_char_Array_0[1]) [L46] EXPR unsigned_char_Array_0[0] [L46] unsigned char stepLocal_2 = unsigned_char_Array_0[0]; [L47] BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L47] COND FALSE !(BOOL_unsigned_char_Array_0[0][0]) [L56] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L56] EXPR ((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1]) [L56] EXPR unsigned_char_Array_0[1] [L56] EXPR ((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, stepLocal_0=-4, stepLocal_2=254, unsigned_char_Array_0={8:0}] [L56] signed long int stepLocal_1 = (((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])); [L57] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L57] COND FALSE !((8 * unsigned_char_Array_0[1]) == stepLocal_1) [L68] EXPR BOOL_unsigned_char_Array_0[1][0] [L68] BOOL_unsigned_char_Array_0[1][1] = BOOL_unsigned_char_Array_0[1][0] [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR (-4 >= signed_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) ((((unsigned_char_Array_0[0]) < (((((1) < 0 ) ? -(1) : (1))))) ? (unsigned_char_Array_0[0]) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1 [L95] EXPR (-4 >= signed_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) ((((unsigned_char_Array_0[0]) < (((((1) < 0 ) ? -(1) : (1))))) ? (unsigned_char_Array_0[0]) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR ((-4 >= signed_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) ((((unsigned_char_Array_0[0]) < (((((1) < 0 ) ? -(1) : (1))))) ? (unsigned_char_Array_0[0]) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * unsigned_char_Array_0[1]) == ((((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((double_Array_0[2] < float_Array_0[0]) && BOOL_unsigned_char_Array_0[0][0]))) : ((float_Array_0[0] >= ((((double_Array_0[2]) < 0 ) ? -(double_Array_0[2]) : (double_Array_0[2])))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) 0)))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR ((-4 >= signed_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) ((((unsigned_char_Array_0[0]) < (((((1) < 0 ) ? -(1) : (1))))) ? (unsigned_char_Array_0[0]) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * unsigned_char_Array_0[1]) == ((((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((double_Array_0[2] < float_Array_0[0]) && BOOL_unsigned_char_Array_0[0][0]))) : ((float_Array_0[0] >= ((((double_Array_0[2]) < 0 ) ? -(double_Array_0[2]) : (double_Array_0[2])))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) 0)))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) [L95] EXPR unsigned_char_Array_0[1] [L95] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR ((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1]) [L95] EXPR unsigned_char_Array_0[1] [L95] EXPR ((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR ((8 * unsigned_char_Array_0[1]) == ((((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((double_Array_0[2] < float_Array_0[0]) && BOOL_unsigned_char_Array_0[0][0]))) : ((float_Array_0[0] >= ((((double_Array_0[2]) < 0 ) ? -(double_Array_0[2]) : (double_Array_0[2])))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) 0)))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) [L95] EXPR BOOL_unsigned_char_Array_0[1][1] [L95] EXPR BOOL_unsigned_char_Array_0[1][0] [L95] EXPR ((8 * unsigned_char_Array_0[1]) == ((((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((double_Array_0[2] < float_Array_0[0]) && BOOL_unsigned_char_Array_0[0][0]))) : ((float_Array_0[0] >= ((((double_Array_0[2]) < 0 ) ? -(double_Array_0[2]) : (double_Array_0[2])))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) 0)))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR ((-4 >= signed_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) ((((unsigned_char_Array_0[0]) < (((((1) < 0 ) ? -(1) : (1))))) ? (unsigned_char_Array_0[0]) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * unsigned_char_Array_0[1]) == ((((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((double_Array_0[2] < float_Array_0[0]) && BOOL_unsigned_char_Array_0[0][0]))) : ((float_Array_0[0] >= ((((double_Array_0[2]) < 0 ) ? -(double_Array_0[2]) : (double_Array_0[2])))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) 0)))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR (((-4 >= signed_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) ((((unsigned_char_Array_0[0]) < (((((1) < 0 ) ? -(1) : (1))))) ? (unsigned_char_Array_0[0]) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * unsigned_char_Array_0[1]) == ((((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((double_Array_0[2] < float_Array_0[0]) && BOOL_unsigned_char_Array_0[0][0]))) : ((float_Array_0[0] >= ((((double_Array_0[2]) < 0 ) ? -(double_Array_0[2]) : (double_Array_0[2])))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) 0)))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])))) && (BOOL_unsigned_char_Array_0[0][0] ? ((unsigned_char_Array_0[0] > signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) ((((((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) > (double_Array_0[1])) ? (((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) : (double_Array_0[1]))))) : (BOOL_unsigned_char_Array_0[1][0] ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR (((-4 >= signed_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) ((((unsigned_char_Array_0[0]) < (((((1) < 0 ) ? -(1) : (1))))) ? (unsigned_char_Array_0[0]) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * unsigned_char_Array_0[1]) == ((((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((double_Array_0[2] < float_Array_0[0]) && BOOL_unsigned_char_Array_0[0][0]))) : ((float_Array_0[0] >= ((((double_Array_0[2]) < 0 ) ? -(double_Array_0[2]) : (double_Array_0[2])))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) 0)))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])))) && (BOOL_unsigned_char_Array_0[0][0] ? ((unsigned_char_Array_0[0] > signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) ((((((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) > (double_Array_0[1])) ? (((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) : (double_Array_0[1]))))) : (BOOL_unsigned_char_Array_0[1][0] ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) : 1) [L95] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR BOOL_unsigned_char_Array_0[0][0] ? ((unsigned_char_Array_0[0] > signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) ((((((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) > (double_Array_0[1])) ? (((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) : (double_Array_0[1]))))) : (BOOL_unsigned_char_Array_0[1][0] ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) : 1 [L95] EXPR BOOL_unsigned_char_Array_0[0][0] ? ((unsigned_char_Array_0[0] > signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) ((((((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) > (double_Array_0[1])) ? (((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) : (double_Array_0[1]))))) : (BOOL_unsigned_char_Array_0[1][0] ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR (((-4 >= signed_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) ((((unsigned_char_Array_0[0]) < (((((1) < 0 ) ? -(1) : (1))))) ? (unsigned_char_Array_0[0]) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * unsigned_char_Array_0[1]) == ((((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((double_Array_0[2] < float_Array_0[0]) && BOOL_unsigned_char_Array_0[0][0]))) : ((float_Array_0[0] >= ((((double_Array_0[2]) < 0 ) ? -(double_Array_0[2]) : (double_Array_0[2])))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) 0)))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])))) && (BOOL_unsigned_char_Array_0[0][0] ? ((unsigned_char_Array_0[0] > signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) ((((((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) > (double_Array_0[1])) ? (((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) : (double_Array_0[1]))))) : (BOOL_unsigned_char_Array_0[1][0] ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR ((((-4 >= signed_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) ((((unsigned_char_Array_0[0]) < (((((1) < 0 ) ? -(1) : (1))))) ? (unsigned_char_Array_0[0]) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * unsigned_char_Array_0[1]) == ((((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((double_Array_0[2] < float_Array_0[0]) && BOOL_unsigned_char_Array_0[0][0]))) : ((float_Array_0[0] >= ((((double_Array_0[2]) < 0 ) ? -(double_Array_0[2]) : (double_Array_0[2])))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) 0)))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])))) && (BOOL_unsigned_char_Array_0[0][0] ? ((unsigned_char_Array_0[0] > signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) ((((((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) > (double_Array_0[1])) ? (((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) : (double_Array_0[1]))))) : (BOOL_unsigned_char_Array_0[1][0] ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) : 1)) && (float_Array_0[0] == ((float) double_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR ((((-4 >= signed_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) ((((unsigned_char_Array_0[0]) < (((((1) < 0 ) ? -(1) : (1))))) ? (unsigned_char_Array_0[0]) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * unsigned_char_Array_0[1]) == ((((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((double_Array_0[2] < float_Array_0[0]) && BOOL_unsigned_char_Array_0[0][0]))) : ((float_Array_0[0] >= ((((double_Array_0[2]) < 0 ) ? -(double_Array_0[2]) : (double_Array_0[2])))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) 0)))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])))) && (BOOL_unsigned_char_Array_0[0][0] ? ((unsigned_char_Array_0[0] > signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) ((((((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) > (double_Array_0[1])) ? (((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) : (double_Array_0[1]))))) : (BOOL_unsigned_char_Array_0[1][0] ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) : 1)) && (float_Array_0[0] == ((float) double_Array_0[0])) [L95] EXPR float_Array_0[0] [L95] EXPR double_Array_0[0] [L95] EXPR ((((-4 >= signed_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) ((((unsigned_char_Array_0[0]) < (((((1) < 0 ) ? -(1) : (1))))) ? (unsigned_char_Array_0[0]) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * unsigned_char_Array_0[1]) == ((((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((double_Array_0[2] < float_Array_0[0]) && BOOL_unsigned_char_Array_0[0][0]))) : ((float_Array_0[0] >= ((((double_Array_0[2]) < 0 ) ? -(double_Array_0[2]) : (double_Array_0[2])))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) 0)))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])))) && (BOOL_unsigned_char_Array_0[0][0] ? ((unsigned_char_Array_0[0] > signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) ((((((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) > (double_Array_0[1])) ? (((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) : (double_Array_0[1]))))) : (BOOL_unsigned_char_Array_0[1][0] ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) : 1)) && (float_Array_0[0] == ((float) double_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR (((((-4 >= signed_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) ((((unsigned_char_Array_0[0]) < (((((1) < 0 ) ? -(1) : (1))))) ? (unsigned_char_Array_0[0]) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * unsigned_char_Array_0[1]) == ((((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((double_Array_0[2] < float_Array_0[0]) && BOOL_unsigned_char_Array_0[0][0]))) : ((float_Array_0[0] >= ((((double_Array_0[2]) < 0 ) ? -(double_Array_0[2]) : (double_Array_0[2])))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) 0)))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])))) && (BOOL_unsigned_char_Array_0[0][0] ? ((unsigned_char_Array_0[0] > signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) ((((((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) > (double_Array_0[1])) ? (((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) : (double_Array_0[1]))))) : (BOOL_unsigned_char_Array_0[1][0] ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) : 1)) && (float_Array_0[0] == ((float) double_Array_0[0]))) && (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] EXPR (((((-4 >= signed_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) ((((unsigned_char_Array_0[0]) < (((((1) < 0 ) ? -(1) : (1))))) ? (unsigned_char_Array_0[0]) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * unsigned_char_Array_0[1]) == ((((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((double_Array_0[2] < float_Array_0[0]) && BOOL_unsigned_char_Array_0[0][0]))) : ((float_Array_0[0] >= ((((double_Array_0[2]) < 0 ) ? -(double_Array_0[2]) : (double_Array_0[2])))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) 0)))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])))) && (BOOL_unsigned_char_Array_0[0][0] ? ((unsigned_char_Array_0[0] > signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) ((((((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) > (double_Array_0[1])) ? (((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) : (double_Array_0[1]))))) : (BOOL_unsigned_char_Array_0[1][0] ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) : 1)) && (float_Array_0[0] == ((float) double_Array_0[0]))) && (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95-L96] return (((((-4 >= signed_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) ((((unsigned_char_Array_0[0]) < (((((1) < 0 ) ? -(1) : (1))))) ? (unsigned_char_Array_0[0]) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * unsigned_char_Array_0[1]) == ((((10) > (unsigned_char_Array_0[1])) ? (10) : (unsigned_char_Array_0[1])))) ? (BOOL_unsigned_char_Array_0[0][1] ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((double_Array_0[2] < float_Array_0[0]) && BOOL_unsigned_char_Array_0[0][0]))) : ((float_Array_0[0] >= ((((double_Array_0[2]) < 0 ) ? -(double_Array_0[2]) : (double_Array_0[2])))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! BOOL_unsigned_char_Array_0[0][0]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) 0)))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])))) && (BOOL_unsigned_char_Array_0[0][0] ? ((unsigned_char_Array_0[0] > signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) ((((((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) > (double_Array_0[1])) ? (((((double_Array_0[0]) > (16.5)) ? (double_Array_0[0]) : (16.5)))) : (double_Array_0[1]))))) : (BOOL_unsigned_char_Array_0[1][0] ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) : 1)) && (float_Array_0[0] == ((float) double_Array_0[0]))) && (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) ; [L105] RET, EXPR property() [L105] 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}, float_Array_0={6:0}, isInitial=1, signed_char_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}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, unsigned_char_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.7s, OverallIterations: 14, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2205 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2200 mSDsluCounter, 11177 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8644 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1680 IncrementalHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 2533 mSDtfsCounter, 1680 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 449 GetRequests, 366 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=665occurred in iteration=10, InterpolantAutomatonStates: 97, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 1099 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 1441 NumberOfCodeBlocks, 1441 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1323 ConstructedInterpolants, 0 QuantifiedInterpolants, 3639 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 3432/3432 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 [2023-11-23 21:37:30,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ --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 2f657570a1e1457f1f304b0d552f8742bb723e9b2810b7fa1033cb000332d16c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:37:33,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:37:33,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-23 21:37:33,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:37:33,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:37:33,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:37:33,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:37:33,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:37:33,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:37:33,602 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:37:33,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:37:33,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:37:33,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:37:33,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:37:33,606 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:37:33,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:37:33,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:37:33,608 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:37:33,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:37:33,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:37:33,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:37:33,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:37:33,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:37:33,611 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:37:33,612 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:37:33,612 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:37:33,613 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:37:33,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:37:33,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:37:33,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:37:33,616 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:37:33,616 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:37:33,616 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:37:33,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:37:33,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:37:33,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:37:33,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:37:33,618 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 21:37:33,618 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:37:33,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:37:33,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:37:33,619 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:37:33,619 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:37:33,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:37:33,620 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 21:37:33,620 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_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f657570a1e1457f1f304b0d552f8742bb723e9b2810b7fa1033cb000332d16c [2023-11-23 21:37:34,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:37:34,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:37:34,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:37:34,092 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:37:34,092 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:37:34,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-54.i [2023-11-23 21:37:37,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:37:37,576 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:37:37,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-54.i [2023-11-23 21:37:37,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/data/e860b0f4e/6df40cf4e7854f34b6fc536b94be9216/FLAG4bd1ea084 [2023-11-23 21:37:37,607 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/data/e860b0f4e/6df40cf4e7854f34b6fc536b94be9216 [2023-11-23 21:37:37,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:37:37,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:37:37,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:37:37,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:37:37,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:37:37,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:37:37" (1/1) ... [2023-11-23 21:37:37,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33884bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:37, skipping insertion in model container [2023-11-23 21:37:37,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:37:37" (1/1) ... [2023-11-23 21:37:37,654 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:37:37,868 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_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-54.i[916,929] [2023-11-23 21:37:37,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:37:38,018 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:37:38,038 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_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-54.i[916,929] [2023-11-23 21:37:38,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:37:38,160 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:37:38,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:38 WrapperNode [2023-11-23 21:37:38,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:37:38,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:37:38,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:37:38,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:37:38,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:38" (1/1) ... [2023-11-23 21:37:38,191 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:38" (1/1) ... [2023-11-23 21:37:38,255 INFO L138 Inliner]: procedures = 33, calls = 143, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 413 [2023-11-23 21:37:38,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:37:38,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:37:38,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:37:38,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:37:38,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:38" (1/1) ... [2023-11-23 21:37:38,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:38" (1/1) ... [2023-11-23 21:37:38,317 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:38" (1/1) ... [2023-11-23 21:37:38,352 INFO L189 HeapSplitter]: Split 115 memory accesses to 6 slices as follows [2, 33, 41, 7, 13, 19] [2023-11-23 21:37:38,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:38" (1/1) ... [2023-11-23 21:37:38,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:38" (1/1) ... [2023-11-23 21:37:38,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:38" (1/1) ... [2023-11-23 21:37:38,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:38" (1/1) ... [2023-11-23 21:37:38,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:38" (1/1) ... [2023-11-23 21:37:38,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:38" (1/1) ... [2023-11-23 21:37:38,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:37:38,402 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:37:38,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:37:38,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:37:38,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:38" (1/1) ... [2023-11-23 21:37:38,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:37:38,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:37:38,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:37:38,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:37:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:37:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-23 21:37:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-23 21:37:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-23 21:37:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-23 21:37:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-11-23 21:37:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-11-23 21:37:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-23 21:37:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-23 21:37:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-23 21:37:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-23 21:37:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-11-23 21:37:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-11-23 21:37:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-23 21:37:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-23 21:37:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-23 21:37:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-23 21:37:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-23 21:37:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-23 21:37:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-23 21:37:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-23 21:37:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-23 21:37:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-23 21:37:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-23 21:37:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-23 21:37:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-23 21:37:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-23 21:37:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-23 21:37:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-23 21:37:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-23 21:37:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-23 21:37:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-23 21:37:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-23 21:37:38,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-11-23 21:37:38,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-11-23 21:37:38,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-11-23 21:37:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-11-23 21:37:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-23 21:37:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-23 21:37:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-23 21:37:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-23 21:37:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-23 21:37:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-23 21:37:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-23 21:37:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-23 21:37:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-23 21:37:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-23 21:37:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-23 21:37:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-11-23 21:37:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:37:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:37:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:37:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:37:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-23 21:37:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-23 21:37:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-23 21:37:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-23 21:37:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-23 21:37:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-23 21:37:38,708 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:37:38,711 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:37:40,145 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:37:40,200 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:37:40,200 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:37:40,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:37:40 BoogieIcfgContainer [2023-11-23 21:37:40,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:37:40,204 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:37:40,204 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:37:40,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:37:40,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:37:37" (1/3) ... [2023-11-23 21:37:40,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59503885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:37:40, skipping insertion in model container [2023-11-23 21:37:40,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:37:38" (2/3) ... [2023-11-23 21:37:40,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59503885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:37:40, skipping insertion in model container [2023-11-23 21:37:40,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:37:40" (3/3) ... [2023-11-23 21:37:40,211 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-54.i [2023-11-23 21:37:40,230 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:37:40,230 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:37:40,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:37:40,290 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;@3966e12a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:37:40,290 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:37:40,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 88 states have (on average 1.4886363636363635) internal successors, (131), 89 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:37:40,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 21:37:40,310 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:40,311 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:40,311 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:40,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:40,317 INFO L85 PathProgramCache]: Analyzing trace with hash -146586112, now seen corresponding path program 1 times [2023-11-23 21:37:40,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:37:40,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171142707] [2023-11-23 21:37:40,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:40,333 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 [2023-11-23 21:37:40,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:37:40,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:37:40,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:40,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:37:40,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:37:40,829 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-11-23 21:37:40,830 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:37:40,830 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:37:40,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1171142707] [2023-11-23 21:37:40,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1171142707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:40,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:40,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:37:40,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614298806] [2023-11-23 21:37:40,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:40,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:37:40,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:37:40,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:37:40,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:37:40,870 INFO L87 Difference]: Start difference. First operand has 103 states, 88 states have (on average 1.4886363636363635) internal successors, (131), 89 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:37:40,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:40,955 INFO L93 Difference]: Finished difference Result 203 states and 320 transitions. [2023-11-23 21:37:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:37:40,958 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2023-11-23 21:37:40,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:40,967 INFO L225 Difference]: With dead ends: 203 [2023-11-23 21:37:40,967 INFO L226 Difference]: Without dead ends: 101 [2023-11-23 21:37:40,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:37:40,974 INFO L413 NwaCegarLoop]: 146 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, 146 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 [2023-11-23 21:37:40,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:37:40,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-23 21:37:41,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-11-23 21:37:41,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 87 states have internal predecessors, (126), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:37:41,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 150 transitions. [2023-11-23 21:37:41,024 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 150 transitions. Word has length 100 [2023-11-23 21:37:41,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:41,025 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 150 transitions. [2023-11-23 21:37:41,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:37:41,025 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2023-11-23 21:37:41,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 21:37:41,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:41,031 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:41,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:41,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:41,241 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:41,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:41,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1921059756, now seen corresponding path program 1 times [2023-11-23 21:37:41,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:37:41,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406174615] [2023-11-23 21:37:41,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:41,244 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 [2023-11-23 21:37:41,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:37:41,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:37:41,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:41,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:37:41,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:37:41,798 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:41,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:37:41,800 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:37:41,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406174615] [2023-11-23 21:37:41,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406174615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:41,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:41,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:37:41,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721811166] [2023-11-23 21:37:41,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:41,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:37:41,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:37:41,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:37:41,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:37:41,815 INFO L87 Difference]: Start difference. First operand 101 states and 150 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:41,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:42,000 INFO L93 Difference]: Finished difference Result 232 states and 346 transitions. [2023-11-23 21:37:42,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:37:42,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 100 [2023-11-23 21:37:42,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:42,007 INFO L225 Difference]: With dead ends: 232 [2023-11-23 21:37:42,007 INFO L226 Difference]: Without dead ends: 132 [2023-11-23 21:37:42,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:37:42,010 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 76 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:42,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 464 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:37:42,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-23 21:37:42,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 103. [2023-11-23 21:37:42,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 89 states have (on average 1.4382022471910112) internal successors, (128), 89 states have internal predecessors, (128), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:37:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2023-11-23 21:37:42,032 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 100 [2023-11-23 21:37:42,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:42,036 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2023-11-23 21:37:42,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:42,036 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2023-11-23 21:37:42,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 21:37:42,047 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:42,047 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:42,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:42,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:42,257 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:42,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:42,257 INFO L85 PathProgramCache]: Analyzing trace with hash -154964975, now seen corresponding path program 1 times [2023-11-23 21:37:42,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:37:42,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600678186] [2023-11-23 21:37:42,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:42,262 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 [2023-11-23 21:37:42,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:37:42,263 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:37:42,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:42,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:37:42,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:37:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:42,720 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:37:42,720 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:37:42,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600678186] [2023-11-23 21:37:42,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1600678186] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:42,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:42,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:37:42,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930430823] [2023-11-23 21:37:42,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:42,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:37:42,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:37:42,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:37:42,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:37:42,724 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:43,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:43,029 INFO L93 Difference]: Finished difference Result 220 states and 324 transitions. [2023-11-23 21:37:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:37:43,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 102 [2023-11-23 21:37:43,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:43,033 INFO L225 Difference]: With dead ends: 220 [2023-11-23 21:37:43,033 INFO L226 Difference]: Without dead ends: 118 [2023-11-23 21:37:43,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:37:43,035 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 28 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:43,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 559 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:37:43,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-23 21:37:43,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 107. [2023-11-23 21:37:43,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 93 states have (on average 1.4193548387096775) internal successors, (132), 93 states have internal predecessors, (132), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:37:43,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2023-11-23 21:37:43,047 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 156 transitions. Word has length 102 [2023-11-23 21:37:43,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:43,048 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 156 transitions. [2023-11-23 21:37:43,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2023-11-23 21:37:43,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 21:37:43,050 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:43,050 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:43,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:43,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:43,259 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:43,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:43,259 INFO L85 PathProgramCache]: Analyzing trace with hash -97706673, now seen corresponding path program 1 times [2023-11-23 21:37:43,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:37:43,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549091422] [2023-11-23 21:37:43,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:43,261 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 [2023-11-23 21:37:43,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:37:43,262 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:37:43,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:43,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:37:43,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:37:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:43,714 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:37:43,715 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:37:43,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549091422] [2023-11-23 21:37:43,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1549091422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:43,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:43,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:37:43,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867889705] [2023-11-23 21:37:43,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:43,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:37:43,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:37:43,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:37:43,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:37:43,724 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:44,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:44,211 INFO L93 Difference]: Finished difference Result 225 states and 326 transitions. [2023-11-23 21:37:44,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 21:37:44,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 102 [2023-11-23 21:37:44,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:44,214 INFO L225 Difference]: With dead ends: 225 [2023-11-23 21:37:44,214 INFO L226 Difference]: Without dead ends: 119 [2023-11-23 21:37:44,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:37:44,216 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 22 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:44,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 693 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:37:44,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-23 21:37:44,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 109. [2023-11-23 21:37:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 95 states have (on average 1.4105263157894736) internal successors, (134), 95 states have internal predecessors, (134), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:37:44,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 158 transitions. [2023-11-23 21:37:44,226 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 158 transitions. Word has length 102 [2023-11-23 21:37:44,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:44,227 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 158 transitions. [2023-11-23 21:37:44,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:44,227 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 158 transitions. [2023-11-23 21:37:44,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 21:37:44,233 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:44,233 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:44,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:44,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:44,441 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:44,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:44,442 INFO L85 PathProgramCache]: Analyzing trace with hash -97647091, now seen corresponding path program 1 times [2023-11-23 21:37:44,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:37:44,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528085619] [2023-11-23 21:37:44,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:44,443 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 [2023-11-23 21:37:44,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:37:44,444 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:37:44,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:44,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:37:44,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:37:44,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-23 21:37:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:45,056 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:37:45,057 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:37:45,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528085619] [2023-11-23 21:37:45,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528085619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:45,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:45,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:37:45,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879398853] [2023-11-23 21:37:45,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:45,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:37:45,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:37:45,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:37:45,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:37:45,060 INFO L87 Difference]: Start difference. First operand 109 states and 158 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:46,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:46,258 INFO L93 Difference]: Finished difference Result 349 states and 507 transitions. [2023-11-23 21:37:46,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:37:46,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 102 [2023-11-23 21:37:46,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:46,261 INFO L225 Difference]: With dead ends: 349 [2023-11-23 21:37:46,262 INFO L226 Difference]: Without dead ends: 241 [2023-11-23 21:37:46,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:37:46,263 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 222 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:46,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 532 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-23 21:37:46,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-11-23 21:37:46,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 130. [2023-11-23 21:37:46,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 116 states have (on average 1.4396551724137931) internal successors, (167), 116 states have internal predecessors, (167), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:37:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 191 transitions. [2023-11-23 21:37:46,284 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 191 transitions. Word has length 102 [2023-11-23 21:37:46,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:46,285 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 191 transitions. [2023-11-23 21:37:46,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 191 transitions. [2023-11-23 21:37:46,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:37:46,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:46,287 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:46,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:46,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:46,496 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:46,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:46,496 INFO L85 PathProgramCache]: Analyzing trace with hash -39415404, now seen corresponding path program 1 times [2023-11-23 21:37:46,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:37:46,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201441706] [2023-11-23 21:37:46,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:46,497 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 [2023-11-23 21:37:46,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:37:46,498 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:37:46,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:46,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:37:46,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:37:47,286 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 [2023-11-23 21:37:47,366 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 21 treesize of output 9 [2023-11-23 21:37:47,386 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:47,386 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:37:47,386 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:37:47,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201441706] [2023-11-23 21:37:47,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201441706] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:47,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:47,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:37:47,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669132356] [2023-11-23 21:37:47,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:47,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:37:47,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:37:47,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:37:47,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:37:47,388 INFO L87 Difference]: Start difference. First operand 130 states and 191 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:47,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:47,639 INFO L93 Difference]: Finished difference Result 361 states and 529 transitions. [2023-11-23 21:37:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:37:47,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2023-11-23 21:37:47,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:47,641 INFO L225 Difference]: With dead ends: 361 [2023-11-23 21:37:47,641 INFO L226 Difference]: Without dead ends: 232 [2023-11-23 21:37:47,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:37:47,642 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 94 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:47,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 398 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:37:47,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-23 21:37:47,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 228. [2023-11-23 21:37:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 201 states have (on average 1.4228855721393034) internal successors, (286), 201 states have internal predecessors, (286), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 21:37:47,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 334 transitions. [2023-11-23 21:37:47,662 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 334 transitions. Word has length 103 [2023-11-23 21:37:47,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:47,663 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 334 transitions. [2023-11-23 21:37:47,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:47,663 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 334 transitions. [2023-11-23 21:37:47,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:37:47,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:47,665 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:47,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:47,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:47,874 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:47,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:47,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1728359146, now seen corresponding path program 1 times [2023-11-23 21:37:47,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:37:47,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1470017208] [2023-11-23 21:37:47,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:47,875 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 [2023-11-23 21:37:47,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:37:47,881 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:37:47,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:48,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:37:48,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:37:48,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-23 21:37:48,547 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:48,548 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:37:48,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:37:48,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1470017208] [2023-11-23 21:37:48,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1470017208] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:48,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:48,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:37:48,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538065048] [2023-11-23 21:37:48,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:48,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:37:48,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:37:48,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:37:48,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:37:48,551 INFO L87 Difference]: Start difference. First operand 228 states and 334 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:50,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:50,177 INFO L93 Difference]: Finished difference Result 609 states and 889 transitions. [2023-11-23 21:37:50,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:37:50,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2023-11-23 21:37:50,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:50,181 INFO L225 Difference]: With dead ends: 609 [2023-11-23 21:37:50,181 INFO L226 Difference]: Without dead ends: 382 [2023-11-23 21:37:50,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:37:50,183 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 232 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:50,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 557 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 21:37:50,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2023-11-23 21:37:50,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 243. [2023-11-23 21:37:50,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 216 states have (on average 1.4259259259259258) internal successors, (308), 216 states have internal predecessors, (308), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 21:37:50,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 356 transitions. [2023-11-23 21:37:50,203 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 356 transitions. Word has length 103 [2023-11-23 21:37:50,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:50,204 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 356 transitions. [2023-11-23 21:37:50,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:50,204 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 356 transitions. [2023-11-23 21:37:50,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:37:50,206 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:50,206 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:50,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:50,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:50,407 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:50,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:50,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1470193708, now seen corresponding path program 1 times [2023-11-23 21:37:50,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:37:50,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [809980726] [2023-11-23 21:37:50,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:50,408 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 [2023-11-23 21:37:50,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:37:50,410 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:37:50,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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)] Waiting until timeout for monitored process [2023-11-23 21:37:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:50,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 21:37:50,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:37:50,877 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 [2023-11-23 21:37:51,157 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 20 [2023-11-23 21:37:51,757 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 44 treesize of output 31 [2023-11-23 21:37:51,980 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:37:51,981 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 88 treesize of output 40 [2023-11-23 21:37:52,099 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 98 proven. 48 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-23 21:37:52,099 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:37:52,376 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:52,376 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:37:52,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [809980726] [2023-11-23 21:37:52,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [809980726] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 21:37:52,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:37:52,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 16 [2023-11-23 21:37:52,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014888831] [2023-11-23 21:37:52,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:52,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:37:52,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:37:52,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:37:52,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-11-23 21:37:52,379 INFO L87 Difference]: Start difference. First operand 243 states and 356 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:54,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:54,037 INFO L93 Difference]: Finished difference Result 643 states and 925 transitions. [2023-11-23 21:37:54,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 21:37:54,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2023-11-23 21:37:54,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:54,042 INFO L225 Difference]: With dead ends: 643 [2023-11-23 21:37:54,042 INFO L226 Difference]: Without dead ends: 401 [2023-11-23 21:37:54,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2023-11-23 21:37:54,044 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 201 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:54,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 676 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 21:37:54,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2023-11-23 21:37:54,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 359. [2023-11-23 21:37:54,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 326 states have (on average 1.3957055214723926) internal successors, (455), 328 states have internal predecessors, (455), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:37:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 511 transitions. [2023-11-23 21:37:54,070 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 511 transitions. Word has length 103 [2023-11-23 21:37:54,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:54,071 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 511 transitions. [2023-11-23 21:37:54,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:54,071 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 511 transitions. [2023-11-23 21:37:54,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:37:54,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:54,073 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:54,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:37:54,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:54,282 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:54,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:54,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1727387092, now seen corresponding path program 1 times [2023-11-23 21:37:54,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:37:54,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678141039] [2023-11-23 21:37:54,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:54,283 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 [2023-11-23 21:37:54,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:37:54,284 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:37:54,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:54,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 21:37:54,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:37:54,732 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 [2023-11-23 21:37:54,882 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 34 treesize of output 29 [2023-11-23 21:37:55,063 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:37:55,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 14 [2023-11-23 21:37:55,096 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-23 21:37:55,096 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:37:55,097 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:37:55,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678141039] [2023-11-23 21:37:55,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678141039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:55,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:55,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 21:37:55,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018434906] [2023-11-23 21:37:55,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:55,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 21:37:55,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:37:55,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 21:37:55,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:37:55,099 INFO L87 Difference]: Start difference. First operand 359 states and 511 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:37:55,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:55,935 INFO L93 Difference]: Finished difference Result 1314 states and 1860 transitions. [2023-11-23 21:37:55,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:37:55,941 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 104 [2023-11-23 21:37:55,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:55,950 INFO L225 Difference]: With dead ends: 1314 [2023-11-23 21:37:55,950 INFO L226 Difference]: Without dead ends: 956 [2023-11-23 21:37:55,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:37:55,954 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 484 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:55,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 782 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 21:37:55,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2023-11-23 21:37:56,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 656. [2023-11-23 21:37:56,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 595 states have (on average 1.3831932773109243) internal successors, (823), 601 states have internal predecessors, (823), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 46 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-23 21:37:56,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 927 transitions. [2023-11-23 21:37:56,012 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 927 transitions. Word has length 104 [2023-11-23 21:37:56,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:56,013 INFO L495 AbstractCegarLoop]: Abstraction has 656 states and 927 transitions. [2023-11-23 21:37:56,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 21:37:56,013 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 927 transitions. [2023-11-23 21:37:56,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:37:56,015 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:56,015 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:56,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:56,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:56,223 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:56,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:56,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1140581078, now seen corresponding path program 1 times [2023-11-23 21:37:56,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:37:56,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028007961] [2023-11-23 21:37:56,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:56,224 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 [2023-11-23 21:37:56,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:37:56,225 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:37:56,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:56,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:37:56,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:37:56,598 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 [2023-11-23 21:37:56,646 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 21 treesize of output 9 [2023-11-23 21:37:56,738 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:56,738 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:37:56,738 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:37:56,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2028007961] [2023-11-23 21:37:56,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2028007961] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:56,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:56,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 21:37:56,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802557076] [2023-11-23 21:37:56,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:56,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:37:56,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:37:56,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:37:56,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:37:56,741 INFO L87 Difference]: Start difference. First operand 656 states and 927 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:57,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:57,482 INFO L93 Difference]: Finished difference Result 1918 states and 2713 transitions. [2023-11-23 21:37:57,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 21:37:57,483 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2023-11-23 21:37:57,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:57,493 INFO L225 Difference]: With dead ends: 1918 [2023-11-23 21:37:57,493 INFO L226 Difference]: Without dead ends: 1263 [2023-11-23 21:37:57,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2023-11-23 21:37:57,496 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 308 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:57,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 1513 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:37:57,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1263 states. [2023-11-23 21:37:57,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 678. [2023-11-23 21:37:57,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 605 states have (on average 1.3801652892561984) internal successors, (835), 612 states have internal predecessors, (835), 62 states have call successors, (62), 10 states have call predecessors, (62), 10 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-23 21:37:57,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 959 transitions. [2023-11-23 21:37:57,598 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 959 transitions. Word has length 104 [2023-11-23 21:37:57,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:57,602 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 959 transitions. [2023-11-23 21:37:57,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:57,602 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 959 transitions. [2023-11-23 21:37:57,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:37:57,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:57,606 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:57,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:57,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:57,814 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:37:57,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:37:57,814 INFO L85 PathProgramCache]: Analyzing trace with hash -762141870, now seen corresponding path program 1 times [2023-11-23 21:37:57,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:37:57,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146861230] [2023-11-23 21:37:57,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:37:57,815 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 [2023-11-23 21:37:57,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:37:57,816 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:37:57,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:37:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:37:58,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 21:37:58,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:37:58,198 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 31 treesize of output 26 [2023-11-23 21:37:58,372 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:37:58,372 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 46 treesize of output 22 [2023-11-23 21:37:58,496 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:37:58,496 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:37:58,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:37:58,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146861230] [2023-11-23 21:37:58,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146861230] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:37:58,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:37:58,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 21:37:58,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663674737] [2023-11-23 21:37:58,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:37:58,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 21:37:58,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:37:58,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 21:37:58,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:37:58,498 INFO L87 Difference]: Start difference. First operand 678 states and 959 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:59,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:37:59,825 INFO L93 Difference]: Finished difference Result 1835 states and 2592 transitions. [2023-11-23 21:37:59,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 21:37:59,828 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 104 [2023-11-23 21:37:59,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:37:59,837 INFO L225 Difference]: With dead ends: 1835 [2023-11-23 21:37:59,837 INFO L226 Difference]: Without dead ends: 1196 [2023-11-23 21:37:59,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2023-11-23 21:37:59,840 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 296 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:37:59,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1921 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 21:37:59,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2023-11-23 21:37:59,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 658. [2023-11-23 21:37:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 585 states have (on average 1.3794871794871795) internal successors, (807), 592 states have internal predecessors, (807), 62 states have call successors, (62), 10 states have call predecessors, (62), 10 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-23 21:37:59,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 931 transitions. [2023-11-23 21:37:59,911 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 931 transitions. Word has length 104 [2023-11-23 21:37:59,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:37:59,913 INFO L495 AbstractCegarLoop]: Abstraction has 658 states and 931 transitions. [2023-11-23 21:37:59,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:37:59,913 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 931 transitions. [2023-11-23 21:37:59,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 21:37:59,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:37:59,915 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:37:59,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:38:00,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:38:00,123 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:38:00,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:00,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1768804226, now seen corresponding path program 1 times [2023-11-23 21:38:00,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:38:00,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414569165] [2023-11-23 21:38:00,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:00,125 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 [2023-11-23 21:38:00,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:38:00,126 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:38:00,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:38:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:00,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 21:38:00,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:00,739 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 [2023-11-23 21:38:00,751 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 19 [2023-11-23 21:38:00,910 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:38:00,911 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 57 treesize of output 27 [2023-11-23 21:38:00,946 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 21:38:00,946 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:38:00,947 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:38:00,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414569165] [2023-11-23 21:38:00,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [414569165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:38:00,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:38:00,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:38:00,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097994399] [2023-11-23 21:38:00,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:38:00,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:38:00,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:38:00,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:38:00,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:38:00,949 INFO L87 Difference]: Start difference. First operand 658 states and 931 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:38:01,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:38:01,409 INFO L93 Difference]: Finished difference Result 700 states and 976 transitions. [2023-11-23 21:38:01,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:38:01,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 105 [2023-11-23 21:38:01,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:38:01,417 INFO L225 Difference]: With dead ends: 700 [2023-11-23 21:38:01,418 INFO L226 Difference]: Without dead ends: 698 [2023-11-23 21:38:01,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:38:01,419 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 118 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:38:01,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 594 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:38:01,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2023-11-23 21:38:01,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 690. [2023-11-23 21:38:01,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 613 states have (on average 1.3621533442088092) internal successors, (835), 620 states have internal predecessors, (835), 62 states have call successors, (62), 14 states have call predecessors, (62), 14 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-23 21:38:01,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 959 transitions. [2023-11-23 21:38:01,500 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 959 transitions. Word has length 105 [2023-11-23 21:38:01,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:38:01,501 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 959 transitions. [2023-11-23 21:38:01,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 21:38:01,501 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 959 transitions. [2023-11-23 21:38:01,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 21:38:01,503 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:38:01,503 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:38:01,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:38:01,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:38:01,712 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:38:01,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:01,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1768863808, now seen corresponding path program 1 times [2023-11-23 21:38:01,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:38:01,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814517124] [2023-11-23 21:38:01,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:01,714 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 [2023-11-23 21:38:01,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:38:01,715 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:38:01,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ed8df2-a419-4fec-ac32-c390e5ab23f6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:38:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:02,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-23 21:38:02,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:38:02,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1