./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1cca72686861ad5f32c03321c83cb01c79fc9fe11e27ec52efe74f8c4ef5e302 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:47:58,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:47:58,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:47:58,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:47:58,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:47:58,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:47:58,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:47:58,911 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:47:58,913 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:47:58,919 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:47:58,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:47:58,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:47:58,922 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:47:58,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:47:58,925 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:47:58,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:47:58,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:47:58,927 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:47:58,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:47:58,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:47:58,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:47:58,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:47:58,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:47:58,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:47:58,932 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:47:58,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:47:58,933 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:47:58,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:47:58,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:47:58,936 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:47:58,937 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:47:58,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:47:58,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:47:58,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:47:58,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:47:58,939 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:47:58,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:47:58,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:47:58,941 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:47:58,941 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:47:58,941 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:47:58,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:47:58,942 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_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cca72686861ad5f32c03321c83cb01c79fc9fe11e27ec52efe74f8c4ef5e302 [2023-11-26 10:47:59,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:47:59,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:47:59,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:47:59,358 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:47:59,359 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:47:59,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i [2023-11-26 10:48:02,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:48:03,175 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:48:03,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i [2023-11-26 10:48:03,192 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/data/4a10ccb1d/a4050c6a047a486aa0428c8079a29ec4/FLAG28fdac1fa [2023-11-26 10:48:03,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/data/4a10ccb1d/a4050c6a047a486aa0428c8079a29ec4 [2023-11-26 10:48:03,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:48:03,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:48:03,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:03,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:48:03,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:48:03,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:03" (1/1) ... [2023-11-26 10:48:03,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b375fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03, skipping insertion in model container [2023-11-26 10:48:03,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:03" (1/1) ... [2023-11-26 10:48:03,286 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:48:03,465 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_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i[916,929] [2023-11-26 10:48:03,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:03,544 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:48:03,559 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_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i[916,929] [2023-11-26 10:48:03,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:03,614 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:48:03,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03 WrapperNode [2023-11-26 10:48:03,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:03,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:03,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:48:03,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:48:03,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03" (1/1) ... [2023-11-26 10:48:03,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03" (1/1) ... [2023-11-26 10:48:03,694 INFO L138 Inliner]: procedures = 29, calls = 118, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 383 [2023-11-26 10:48:03,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:03,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:48:03,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:48:03,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:48:03,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03" (1/1) ... [2023-11-26 10:48:03,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03" (1/1) ... [2023-11-26 10:48:03,731 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03" (1/1) ... [2023-11-26 10:48:03,777 INFO L175 MemorySlicer]: Split 91 memory accesses to 10 slices as follows [2, 19, 6, 12, 12, 10, 8, 6, 8, 8]. 21 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 12 writes are split as follows [0, 2, 2, 1, 1, 1, 1, 2, 1, 1]. [2023-11-26 10:48:03,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03" (1/1) ... [2023-11-26 10:48:03,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03" (1/1) ... [2023-11-26 10:48:03,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03" (1/1) ... [2023-11-26 10:48:03,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03" (1/1) ... [2023-11-26 10:48:03,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03" (1/1) ... [2023-11-26 10:48:03,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03" (1/1) ... [2023-11-26 10:48:03,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:48:03,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:48:03,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:48:03,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:48:03,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03" (1/1) ... [2023-11-26 10:48:03,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:03,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:03,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:03,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:48:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:48:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-26 10:48:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-26 10:48:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-26 10:48:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-26 10:48:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-26 10:48:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-26 10:48:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-26 10:48:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-11-26 10:48:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2023-11-26 10:48:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2023-11-26 10:48:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:48:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:48:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:48:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:48:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:48:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 10:48:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 10:48:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 10:48:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 10:48:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 10:48:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-26 10:48:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-26 10:48:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-26 10:48:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-26 10:48:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-26 10:48:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-26 10:48:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-26 10:48:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2023-11-26 10:48:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2023-11-26 10:48:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2023-11-26 10:48:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:48:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:48:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:48:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:48:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:48:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 10:48:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 10:48:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 10:48:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 10:48:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 10:48:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-26 10:48:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-26 10:48:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-26 10:48:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-26 10:48:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-26 10:48:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-26 10:48:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-11-26 10:48:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2023-11-26 10:48:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2023-11-26 10:48:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2023-11-26 10:48:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:48:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:48:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:48:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:48:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:48:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:48:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:48:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 10:48:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 10:48:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 10:48:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 10:48:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 10:48:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:48:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:48:04,234 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:48:04,236 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:48:04,713 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:48:04,799 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:48:04,802 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:48:04,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:04 BoogieIcfgContainer [2023-11-26 10:48:04,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:48:04,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:48:04,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:48:04,812 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:48:04,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:48:03" (1/3) ... [2023-11-26 10:48:04,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae84a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:04, skipping insertion in model container [2023-11-26 10:48:04,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:03" (2/3) ... [2023-11-26 10:48:04,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae84a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:04, skipping insertion in model container [2023-11-26 10:48:04,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:04" (3/3) ... [2023-11-26 10:48:04,819 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-21.i [2023-11-26 10:48:04,837 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:48:04,837 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:48:04,899 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:48:04,908 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;@1ab544cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:48:04,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:48:04,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 10:48:04,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-26 10:48:04,938 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:04,939 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:04,939 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:04,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:04,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1647384108, now seen corresponding path program 1 times [2023-11-26 10:48:04,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:04,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58093900] [2023-11-26 10:48:04,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:04,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:05,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:05,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58093900] [2023-11-26 10:48:05,280 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 10:48:05,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066116876] [2023-11-26 10:48:05,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:05,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:05,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:05,285 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:05,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:48:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:05,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:48:05,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:05,728 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-26 10:48:05,728 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:05,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066116876] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:05,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:05,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:48:05,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711573638] [2023-11-26 10:48:05,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:05,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:48:05,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:05,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:48:05,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:48:05,793 INFO L87 Difference]: Start difference. First operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 10:48:05,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:05,840 INFO L93 Difference]: Finished difference Result 175 states and 275 transitions. [2023-11-26 10:48:05,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:48:05,844 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2023-11-26 10:48:05,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:05,854 INFO L225 Difference]: With dead ends: 175 [2023-11-26 10:48:05,855 INFO L226 Difference]: Without dead ends: 87 [2023-11-26 10:48:05,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:48:05,863 INFO L413 NwaCegarLoop]: 126 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, 126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:05,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:05,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-26 10:48:05,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-26 10:48:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 78 states have (on average 1.4871794871794872) internal successors, (116), 78 states have internal predecessors, (116), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 10:48:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2023-11-26 10:48:05,920 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 75 [2023-11-26 10:48:05,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:05,921 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2023-11-26 10:48:05,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 10:48:05,922 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2023-11-26 10:48:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-26 10:48:05,927 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:05,927 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:05,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:06,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 10:48:06,135 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:06,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:06,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1170950670, now seen corresponding path program 1 times [2023-11-26 10:48:06,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:06,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584137694] [2023-11-26 10:48:06,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:06,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:06,211 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:06,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393710707] [2023-11-26 10:48:06,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:06,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:06,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:06,213 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:06,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:48:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:06,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-26 10:48:06,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:06,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-26 10:48:06,881 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-26 10:48:06,881 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:48:07,026 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 10:48:07,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:07,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584137694] [2023-11-26 10:48:07,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:07,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393710707] [2023-11-26 10:48:07,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393710707] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:07,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:48:07,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-26 10:48:07,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608412444] [2023-11-26 10:48:07,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:07,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:48:07,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:07,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:48:07,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-26 10:48:07,032 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:07,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:07,354 INFO L93 Difference]: Finished difference Result 231 states and 345 transitions. [2023-11-26 10:48:07,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 10:48:07,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 75 [2023-11-26 10:48:07,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:07,358 INFO L225 Difference]: With dead ends: 231 [2023-11-26 10:48:07,358 INFO L226 Difference]: Without dead ends: 145 [2023-11-26 10:48:07,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-11-26 10:48:07,361 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 110 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:07,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 490 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:48:07,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-26 10:48:07,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 102. [2023-11-26 10:48:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 93 states have (on average 1.4946236559139785) internal successors, (139), 93 states have internal predecessors, (139), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 10:48:07,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 153 transitions. [2023-11-26 10:48:07,377 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 153 transitions. Word has length 75 [2023-11-26 10:48:07,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:07,379 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 153 transitions. [2023-11-26 10:48:07,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:07,380 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 153 transitions. [2023-11-26 10:48:07,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-26 10:48:07,383 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:07,383 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:07,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:07,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:07,591 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:07,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:07,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1689789519, now seen corresponding path program 1 times [2023-11-26 10:48:07,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:07,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852051339] [2023-11-26 10:48:07,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:07,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:07,676 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:07,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [100224965] [2023-11-26 10:48:07,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:07,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:07,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:07,678 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:07,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:48:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:07,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:48:07,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 10:48:07,936 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:07,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:07,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852051339] [2023-11-26 10:48:07,937 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:07,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100224965] [2023-11-26 10:48:07,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100224965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:07,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:07,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:48:07,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236697366] [2023-11-26 10:48:07,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:07,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:07,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:07,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:07,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:07,940 INFO L87 Difference]: Start difference. First operand 102 states and 153 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:07,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:07,981 INFO L93 Difference]: Finished difference Result 237 states and 355 transitions. [2023-11-26 10:48:07,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:07,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 76 [2023-11-26 10:48:07,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:07,984 INFO L225 Difference]: With dead ends: 237 [2023-11-26 10:48:07,984 INFO L226 Difference]: Without dead ends: 136 [2023-11-26 10:48:07,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:07,987 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 52 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:07,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 261 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:07,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-26 10:48:07,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 102. [2023-11-26 10:48:07,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 93 states have (on average 1.4838709677419355) internal successors, (138), 93 states have internal predecessors, (138), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 10:48:08,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 152 transitions. [2023-11-26 10:48:08,000 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 152 transitions. Word has length 76 [2023-11-26 10:48:08,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:08,001 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 152 transitions. [2023-11-26 10:48:08,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:08,002 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 152 transitions. [2023-11-26 10:48:08,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-26 10:48:08,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:08,006 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:08,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:08,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:08,213 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:08,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:08,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1818293692, now seen corresponding path program 1 times [2023-11-26 10:48:08,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:08,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385928357] [2023-11-26 10:48:08,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:08,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:08,256 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:08,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [928478844] [2023-11-26 10:48:08,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:08,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:08,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:08,258 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:08,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:48:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:08,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:48:08,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:08,521 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 10:48:08,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:08,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:08,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385928357] [2023-11-26 10:48:08,521 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:08,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928478844] [2023-11-26 10:48:08,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928478844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:08,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:08,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:48:08,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794106555] [2023-11-26 10:48:08,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:08,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:08,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:08,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:08,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:08,524 INFO L87 Difference]: Start difference. First operand 102 states and 152 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:08,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:08,559 INFO L93 Difference]: Finished difference Result 224 states and 332 transitions. [2023-11-26 10:48:08,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:08,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 77 [2023-11-26 10:48:08,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:08,561 INFO L225 Difference]: With dead ends: 224 [2023-11-26 10:48:08,561 INFO L226 Difference]: Without dead ends: 123 [2023-11-26 10:48:08,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:08,564 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 43 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:08,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 255 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:08,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-26 10:48:08,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 102. [2023-11-26 10:48:08,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 93 states have (on average 1.4731182795698925) internal successors, (137), 93 states have internal predecessors, (137), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 10:48:08,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 151 transitions. [2023-11-26 10:48:08,573 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 151 transitions. Word has length 77 [2023-11-26 10:48:08,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:08,574 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 151 transitions. [2023-11-26 10:48:08,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:08,574 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 151 transitions. [2023-11-26 10:48:08,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-26 10:48:08,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:08,577 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:08,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:08,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:08,786 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:08,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:08,786 INFO L85 PathProgramCache]: Analyzing trace with hash -2088746051, now seen corresponding path program 1 times [2023-11-26 10:48:08,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:08,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846629618] [2023-11-26 10:48:08,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:08,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:08,858 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:08,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2136035953] [2023-11-26 10:48:08,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:08,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:08,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:08,870 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:08,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 10:48:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:09,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:48:09,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:09,147 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 10:48:09,148 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:09,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:09,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846629618] [2023-11-26 10:48:09,148 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:09,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136035953] [2023-11-26 10:48:09,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136035953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:09,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:09,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:48:09,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427063649] [2023-11-26 10:48:09,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:09,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:48:09,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:09,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:48:09,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:09,151 INFO L87 Difference]: Start difference. First operand 102 states and 151 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:09,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:09,223 INFO L93 Difference]: Finished difference Result 222 states and 329 transitions. [2023-11-26 10:48:09,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:48:09,224 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 78 [2023-11-26 10:48:09,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:09,226 INFO L225 Difference]: With dead ends: 222 [2023-11-26 10:48:09,226 INFO L226 Difference]: Without dead ends: 121 [2023-11-26 10:48:09,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:48:09,228 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 61 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:09,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 512 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:09,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-26 10:48:09,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 103. [2023-11-26 10:48:09,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 94 states have (on average 1.4680851063829787) internal successors, (138), 94 states have internal predecessors, (138), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 10:48:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2023-11-26 10:48:09,237 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 78 [2023-11-26 10:48:09,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:09,238 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2023-11-26 10:48:09,239 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:09,239 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2023-11-26 10:48:09,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 10:48:09,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:09,241 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:09,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:09,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:09,458 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:09,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:09,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1768648635, now seen corresponding path program 1 times [2023-11-26 10:48:09,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:09,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369340192] [2023-11-26 10:48:09,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:09,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:09,518 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:09,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1447226693] [2023-11-26 10:48:09,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:09,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:09,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:09,524 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:09,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 10:48:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:09,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 10:48:09,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:09,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-26 10:48:09,839 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 52 treesize of output 40 [2023-11-26 10:48:09,867 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-26 10:48:09,868 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:48:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 10:48:09,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:09,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369340192] [2023-11-26 10:48:09,964 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:09,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447226693] [2023-11-26 10:48:09,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447226693] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:09,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:48:09,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2023-11-26 10:48:09,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512037684] [2023-11-26 10:48:09,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:09,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:48:09,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:09,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:48:09,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:48:09,969 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:10,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:10,146 INFO L93 Difference]: Finished difference Result 274 states and 398 transitions. [2023-11-26 10:48:10,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 10:48:10,147 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 79 [2023-11-26 10:48:10,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:10,149 INFO L225 Difference]: With dead ends: 274 [2023-11-26 10:48:10,149 INFO L226 Difference]: Without dead ends: 172 [2023-11-26 10:48:10,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2023-11-26 10:48:10,152 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 150 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:10,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 718 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:48:10,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-11-26 10:48:10,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 162. [2023-11-26 10:48:10,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 149 states have (on average 1.436241610738255) internal successors, (214), 150 states have internal predecessors, (214), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-26 10:48:10,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 234 transitions. [2023-11-26 10:48:10,181 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 234 transitions. Word has length 79 [2023-11-26 10:48:10,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:10,182 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 234 transitions. [2023-11-26 10:48:10,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 234 transitions. [2023-11-26 10:48:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-26 10:48:10,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:10,184 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:10,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:10,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:10,399 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:10,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:10,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1316397528, now seen corresponding path program 1 times [2023-11-26 10:48:10,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:10,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087479012] [2023-11-26 10:48:10,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:10,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:10,473 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:10,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [319802789] [2023-11-26 10:48:10,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:10,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:10,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:10,478 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:10,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 10:48:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:10,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:48:10,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:10,714 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 10:48:10,714 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:10,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:10,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087479012] [2023-11-26 10:48:10,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:10,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319802789] [2023-11-26 10:48:10,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319802789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:10,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:10,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:48:10,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527722977] [2023-11-26 10:48:10,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:10,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:10,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:10,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:10,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:10,717 INFO L87 Difference]: Start difference. First operand 162 states and 234 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:10,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:10,751 INFO L93 Difference]: Finished difference Result 391 states and 563 transitions. [2023-11-26 10:48:10,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:10,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 80 [2023-11-26 10:48:10,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:10,755 INFO L225 Difference]: With dead ends: 391 [2023-11-26 10:48:10,755 INFO L226 Difference]: Without dead ends: 230 [2023-11-26 10:48:10,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:10,757 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 47 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:10,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 239 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:10,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2023-11-26 10:48:10,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 179. [2023-11-26 10:48:10,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 166 states have (on average 1.4337349397590362) internal successors, (238), 167 states have internal predecessors, (238), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-26 10:48:10,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 258 transitions. [2023-11-26 10:48:10,768 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 258 transitions. Word has length 80 [2023-11-26 10:48:10,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:10,769 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 258 transitions. [2023-11-26 10:48:10,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:10,769 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 258 transitions. [2023-11-26 10:48:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 10:48:10,770 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:10,770 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:10,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-26 10:48:10,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:10,977 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:10,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:10,978 INFO L85 PathProgramCache]: Analyzing trace with hash 438221722, now seen corresponding path program 1 times [2023-11-26 10:48:10,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:10,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773305648] [2023-11-26 10:48:10,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:10,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:11,008 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:11,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1904214494] [2023-11-26 10:48:11,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:11,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:11,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:11,009 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:11,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 10:48:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:11,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 10:48:11,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 10:48:11,273 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:11,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:11,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773305648] [2023-11-26 10:48:11,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:11,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904214494] [2023-11-26 10:48:11,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904214494] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:11,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:11,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:48:11,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786370785] [2023-11-26 10:48:11,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:11,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:48:11,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:11,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:48:11,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:11,277 INFO L87 Difference]: Start difference. First operand 179 states and 258 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:11,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:11,318 INFO L93 Difference]: Finished difference Result 189 states and 269 transitions. [2023-11-26 10:48:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:48:11,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 81 [2023-11-26 10:48:11,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:11,323 INFO L225 Difference]: With dead ends: 189 [2023-11-26 10:48:11,323 INFO L226 Difference]: Without dead ends: 187 [2023-11-26 10:48:11,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:48:11,325 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 10 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:11,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 479 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:11,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-26 10:48:11,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 185. [2023-11-26 10:48:11,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 172 states have (on average 1.4186046511627908) internal successors, (244), 173 states have internal predecessors, (244), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-26 10:48:11,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 264 transitions. [2023-11-26 10:48:11,338 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 264 transitions. Word has length 81 [2023-11-26 10:48:11,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:11,340 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 264 transitions. [2023-11-26 10:48:11,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:11,340 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 264 transitions. [2023-11-26 10:48:11,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 10:48:11,342 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:11,342 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:11,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:11,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:11,550 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:11,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:11,550 INFO L85 PathProgramCache]: Analyzing trace with hash -292222225, now seen corresponding path program 1 times [2023-11-26 10:48:11,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:11,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020953551] [2023-11-26 10:48:11,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:11,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:11,579 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:11,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1714417597] [2023-11-26 10:48:11,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:11,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:11,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:11,581 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:11,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 10:48:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:11,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:48:11,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:11,825 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 10:48:11,825 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:11,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:11,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020953551] [2023-11-26 10:48:11,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:11,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714417597] [2023-11-26 10:48:11,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714417597] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:11,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:11,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:48:11,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647162719] [2023-11-26 10:48:11,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:11,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:48:11,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:11,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:48:11,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:11,828 INFO L87 Difference]: Start difference. First operand 185 states and 264 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:11,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:11,873 INFO L93 Difference]: Finished difference Result 372 states and 533 transitions. [2023-11-26 10:48:11,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:48:11,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 81 [2023-11-26 10:48:11,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:11,875 INFO L225 Difference]: With dead ends: 372 [2023-11-26 10:48:11,876 INFO L226 Difference]: Without dead ends: 188 [2023-11-26 10:48:11,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:48:11,877 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:11,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:11,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-26 10:48:11,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2023-11-26 10:48:11,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 175 states have (on average 1.4114285714285715) internal successors, (247), 176 states have internal predecessors, (247), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-26 10:48:11,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 267 transitions. [2023-11-26 10:48:11,886 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 267 transitions. Word has length 81 [2023-11-26 10:48:11,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:11,886 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 267 transitions. [2023-11-26 10:48:11,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:11,886 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 267 transitions. [2023-11-26 10:48:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 10:48:11,888 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:11,888 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:11,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:12,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-26 10:48:12,095 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:12,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:12,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1303339475, now seen corresponding path program 1 times [2023-11-26 10:48:12,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:12,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169164191] [2023-11-26 10:48:12,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:12,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:12,122 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:12,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153967624] [2023-11-26 10:48:12,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:12,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:12,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:12,124 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:12,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-26 10:48:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:12,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-26 10:48:12,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:13,399 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 38 treesize of output 26 [2023-11-26 10:48:13,446 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-26 10:48:13,446 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:48:13,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2023-11-26 10:48:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-26 10:48:14,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:14,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169164191] [2023-11-26 10:48:14,127 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:14,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153967624] [2023-11-26 10:48:14,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153967624] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:48:14,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:48:14,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 24 [2023-11-26 10:48:14,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648350503] [2023-11-26 10:48:14,127 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:48:14,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-26 10:48:14,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:14,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-26 10:48:14,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=433, Unknown=0, NotChecked=0, Total=552 [2023-11-26 10:48:14,130 INFO L87 Difference]: Start difference. First operand 188 states and 267 transitions. Second operand has 24 states, 22 states have (on average 4.5) internal successors, (99), 24 states have internal predecessors, (99), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-26 10:48:16,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:16,778 INFO L93 Difference]: Finished difference Result 1122 states and 1561 transitions. [2023-11-26 10:48:16,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-26 10:48:16,779 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 4.5) internal successors, (99), 24 states have internal predecessors, (99), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) Word has length 81 [2023-11-26 10:48:16,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:16,787 INFO L225 Difference]: With dead ends: 1122 [2023-11-26 10:48:16,787 INFO L226 Difference]: Without dead ends: 935 [2023-11-26 10:48:16,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1607 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1098, Invalid=4304, Unknown=0, NotChecked=0, Total=5402 [2023-11-26 10:48:16,792 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 2574 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2577 SdHoareTripleChecker+Valid, 2625 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:16,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2577 Valid, 2625 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-26 10:48:16,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2023-11-26 10:48:16,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 594. [2023-11-26 10:48:16,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 557 states have (on average 1.414721723518851) internal successors, (788), 560 states have internal predecessors, (788), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-26 10:48:16,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 848 transitions. [2023-11-26 10:48:16,836 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 848 transitions. Word has length 81 [2023-11-26 10:48:16,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:16,836 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 848 transitions. [2023-11-26 10:48:16,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 4.5) internal successors, (99), 24 states have internal predecessors, (99), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) [2023-11-26 10:48:16,837 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 848 transitions. [2023-11-26 10:48:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 10:48:16,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:16,838 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:16,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:17,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 10:48:17,046 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:17,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:17,046 INFO L85 PathProgramCache]: Analyzing trace with hash -673605278, now seen corresponding path program 1 times [2023-11-26 10:48:17,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:17,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265557299] [2023-11-26 10:48:17,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:17,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:17,079 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:17,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [230874566] [2023-11-26 10:48:17,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:17,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:17,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:17,080 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:17,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-26 10:48:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:17,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:48:17,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:17,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-26 10:48:17,417 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 10:48:17,417 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:17,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:17,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265557299] [2023-11-26 10:48:17,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:17,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230874566] [2023-11-26 10:48:17,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230874566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:17,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:17,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:48:17,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505707113] [2023-11-26 10:48:17,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:17,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:17,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:17,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:17,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:17,440 INFO L87 Difference]: Start difference. First operand 594 states and 848 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:17,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:17,557 INFO L93 Difference]: Finished difference Result 1781 states and 2519 transitions. [2023-11-26 10:48:17,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:48:17,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 81 [2023-11-26 10:48:17,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:17,566 INFO L225 Difference]: With dead ends: 1781 [2023-11-26 10:48:17,566 INFO L226 Difference]: Without dead ends: 1188 [2023-11-26 10:48:17,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:48:17,568 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 223 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:17,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 354 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:48:17,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2023-11-26 10:48:17,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 977. [2023-11-26 10:48:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 904 states have (on average 1.3993362831858407) internal successors, (1265), 910 states have internal predecessors, (1265), 60 states have call successors, (60), 12 states have call predecessors, (60), 12 states have return successors, (60), 54 states have call predecessors, (60), 60 states have call successors, (60) [2023-11-26 10:48:17,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1385 transitions. [2023-11-26 10:48:17,628 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1385 transitions. Word has length 81 [2023-11-26 10:48:17,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:17,628 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1385 transitions. [2023-11-26 10:48:17,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:17,629 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1385 transitions. [2023-11-26 10:48:17,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-26 10:48:17,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:17,631 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:17,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:17,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-26 10:48:17,838 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:17,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:17,838 INFO L85 PathProgramCache]: Analyzing trace with hash 584576232, now seen corresponding path program 1 times [2023-11-26 10:48:17,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:17,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027756617] [2023-11-26 10:48:17,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:17,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:17,864 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:17,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2116196076] [2023-11-26 10:48:17,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:17,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:17,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:17,866 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:17,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-26 10:48:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:18,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-26 10:48:18,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:18,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2023-11-26 10:48:18,145 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 13 treesize of output 9 [2023-11-26 10:48:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 10:48:18,223 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:18,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:18,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027756617] [2023-11-26 10:48:18,223 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:48:18,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116196076] [2023-11-26 10:48:18,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116196076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:18,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:18,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-26 10:48:18,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010682245] [2023-11-26 10:48:18,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:18,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 10:48:18,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:18,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 10:48:18,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:48:18,226 INFO L87 Difference]: Start difference. First operand 977 states and 1385 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:18,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:18,828 INFO L93 Difference]: Finished difference Result 3216 states and 4504 transitions. [2023-11-26 10:48:18,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-26 10:48:18,829 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 85 [2023-11-26 10:48:18,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:18,843 INFO L225 Difference]: With dead ends: 3216 [2023-11-26 10:48:18,843 INFO L226 Difference]: Without dead ends: 2261 [2023-11-26 10:48:18,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=220, Invalid=710, Unknown=0, NotChecked=0, Total=930 [2023-11-26 10:48:18,846 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 421 mSDsluCounter, 1210 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 1378 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:18,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 1378 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:48:18,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2023-11-26 10:48:18,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 1049. [2023-11-26 10:48:18,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1049 states, 979 states have (on average 1.4065372829417773) internal successors, (1377), 984 states have internal predecessors, (1377), 57 states have call successors, (57), 12 states have call predecessors, (57), 12 states have return successors, (57), 52 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-26 10:48:18,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1491 transitions. [2023-11-26 10:48:18,952 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1491 transitions. Word has length 85 [2023-11-26 10:48:18,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:18,952 INFO L495 AbstractCegarLoop]: Abstraction has 1049 states and 1491 transitions. [2023-11-26 10:48:18,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:18,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1491 transitions. [2023-11-26 10:48:18,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-26 10:48:18,954 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:18,954 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:18,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:19,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:19,161 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:19,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:19,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1190243658, now seen corresponding path program 1 times [2023-11-26 10:48:19,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:19,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142185936] [2023-11-26 10:48:19,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:19,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:19,192 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:48:19,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868706082] [2023-11-26 10:48:19,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:19,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:19,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:19,194 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:19,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-26 10:48:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:19,466 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:48:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:48:19,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:48:19,665 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:48:19,666 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:48:19,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:19,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-26 10:48:19,880 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:19,883 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:48:19,970 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-26 10:48:19,975 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-26 10:48:19,975 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-26 10:48:19,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated [2023-11-26 10:48:19,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-26 10:48:19,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-26 10:48:19,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-26 10:48:19,979 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-26 10:48:19,980 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-26 10:48:19,980 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-26 10:48:19,980 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated [2023-11-26 10:48:19,980 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-26 10:48:19,981 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 10:48:19,981 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-26 10:48:19,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-26 10:48:19,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 10:48:19,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-26 10:48:19,982 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-26 10:48:19,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-26 10:48:19,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-26 10:48:19,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-26 10:48:19,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 10:48:19,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-26 10:48:19,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-26 10:48:20,001 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-26 10:48:20,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-26 10:48:20,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-26 10:48:20,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-26 10:48:20,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-26 10:48:20,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-26 10:48:20,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-26 10:48:20,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-26 10:48:20,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-26 10:48:20,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-26 10:48:20,008 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-26 10:48:20,008 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-26 10:48:20,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-26 10:48:20,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-26 10:48:20,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-26 10:48:20,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-26 10:48:20,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-26 10:48:20,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-26 10:48:20,011 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-26 10:48:20,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-26 10:48:20,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-26 10:48:20,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-26 10:48:20,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 10:48:20,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 10:48:20,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 10:48:20,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-26 10:48:20,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-26 10:48:20,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 10:48:20,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 10:48:20,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-26 10:48:20,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 10:48:20,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-26 10:48:20,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 10:48:20,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated [2023-11-26 10:48:20,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-11-26 10:48:20,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated [2023-11-26 10:48:20,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite20 could not be translated [2023-11-26 10:48:20,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated [2023-11-26 10:48:20,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 10:48:20,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated [2023-11-26 10:48:20,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 10:48:20,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 10:48:20,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated [2023-11-26 10:48:20,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-26 10:48:20,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 10:48:20,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-26 10:48:20,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-26 10:48:20,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated [2023-11-26 10:48:20,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-26 10:48:20,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-26 10:48:20,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-26 10:48:20,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-26 10:48:20,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 10:48:20,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-26 10:48:20,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 10:48:20,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated [2023-11-26 10:48:20,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated [2023-11-26 10:48:20,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-26 10:48:20,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-26 10:48:20,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-26 10:48:20,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-26 10:48:20,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-26 10:48:20,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 10:48:20,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 10:48:20,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-26 10:48:20,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-26 10:48:20,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-26 10:48:20,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-26 10:48:20,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated [2023-11-26 10:48:20,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-26 10:48:20,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-26 10:48:20,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-26 10:48:20,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated [2023-11-26 10:48:20,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-26 10:48:20,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-26 10:48:20,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-26 10:48:20,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 10:48:20,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated [2023-11-26 10:48:20,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 10:48:20,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-26 10:48:20,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short107 could not be translated [2023-11-26 10:48:20,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-26 10:48:20,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-26 10:48:20,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-26 10:48:20,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated [2023-11-26 10:48:20,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:48:20 BoogieIcfgContainer [2023-11-26 10:48:20,061 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:48:20,062 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:48:20,062 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:48:20,062 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:48:20,062 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:04" (3/4) ... [2023-11-26 10:48:20,065 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:48:20,066 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:48:20,071 INFO L158 Benchmark]: Toolchain (without parser) took 16847.49ms. Allocated memory was 127.9MB in the beginning and 205.5MB in the end (delta: 77.6MB). Free memory was 84.4MB in the beginning and 73.5MB in the end (delta: 10.9MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2023-11-26 10:48:20,072 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 100.7MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:48:20,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.52ms. Allocated memory is still 127.9MB. Free memory was 84.0MB in the beginning and 70.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:48:20,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.03ms. Allocated memory is still 127.9MB. Free memory was 70.6MB in the beginning and 67.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:48:20,073 INFO L158 Benchmark]: Boogie Preprocessor took 140.39ms. Allocated memory is still 127.9MB. Free memory was 67.7MB in the beginning and 63.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:48:20,074 INFO L158 Benchmark]: RCFGBuilder took 966.91ms. Allocated memory is still 127.9MB. Free memory was 63.1MB in the beginning and 78.0MB in the end (delta: -14.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-11-26 10:48:20,074 INFO L158 Benchmark]: TraceAbstraction took 15253.77ms. Allocated memory was 127.9MB in the beginning and 205.5MB in the end (delta: 77.6MB). Free memory was 77.4MB in the beginning and 73.5MB in the end (delta: 3.9MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2023-11-26 10:48:20,075 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 205.5MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:48:20,080 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 100.7MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.52ms. Allocated memory is still 127.9MB. Free memory was 84.0MB in the beginning and 70.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.03ms. Allocated memory is still 127.9MB. Free memory was 70.6MB in the beginning and 67.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.39ms. Allocated memory is still 127.9MB. Free memory was 67.7MB in the beginning and 63.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 966.91ms. Allocated memory is still 127.9MB. Free memory was 63.1MB in the beginning and 78.0MB in the end (delta: -14.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * TraceAbstraction took 15253.77ms. Allocated memory was 127.9MB in the beginning and 205.5MB in the end (delta: 77.6MB). Free memory was 77.4MB in the beginning and 73.5MB in the end (delta: 3.9MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 205.5MB. Free memory is still 73.5MB. 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~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite75 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 89, overapproximation of someBinaryFLOATComparisonOperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L22] unsigned short int var_1_1 = 32; [L23] unsigned short int* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_7 = 0; [L24] unsigned char var_1_7 = 0; [L25] unsigned char* var_1_7_Pointer = &(var_1_7); [L26] double var_1_8 = 15.6; [L26] double var_1_8 = 15.6; [L27] double* var_1_8_Pointer = &(var_1_8); [L28] double var_1_9 = 15.4; [L28] double var_1_9 = 15.4; [L29] double* var_1_9_Pointer = &(var_1_9); [L30] double var_1_10 = 32.2; [L30] double var_1_10 = 32.2; [L31] double* var_1_10_Pointer = &(var_1_10); [L32] unsigned char var_1_12 = 1; [L32] unsigned char var_1_12 = 1; [L33] unsigned char* var_1_12_Pointer = &(var_1_12); [L34] signed short int var_1_13 = 256; [L34] signed short int var_1_13 = 256; [L35] signed short int* var_1_13_Pointer = &(var_1_13); [L36] float var_1_14 = 5.75; [L36] float var_1_14 = 5.75; [L37] float* var_1_14_Pointer = &(var_1_14); [L38] float var_1_15 = 8.6; [L38] float var_1_15 = 8.6; [L39] float* var_1_15_Pointer = &(var_1_15); [L40] unsigned char last_1_var_1_7 = 0; [L41] signed short int last_1_var_1_13 = 256; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L85] EXPR \read(var_1_7) [L85] last_1_var_1_7 = var_1_7 [L86] EXPR \read(var_1_13) [L86] last_1_var_1_13 = var_1_13 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L70] var_1_8 = __VERIFIER_nondet_double() [L71] EXPR \read(var_1_8) [L71] EXPR var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L71] EXPR var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F [L71] EXPR \read(var_1_8) [L71] EXPR var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L71] EXPR (var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L71] EXPR (var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L71] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L71] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L72] var_1_9 = __VERIFIER_nondet_double() [L73] EXPR \read(var_1_9) [L73] EXPR var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L73] EXPR var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F [L73] EXPR \read(var_1_9) [L73] EXPR var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L73] EXPR (var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L73] EXPR (var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L73] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L73] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L74] var_1_10 = __VERIFIER_nondet_double() [L75] EXPR \read(var_1_10) [L75] EXPR var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L75] EXPR var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F [L75] EXPR \read(var_1_10) [L75] EXPR var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L75] EXPR (var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L75] EXPR (var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L75] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L75] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L76] var_1_12 = __VERIFIER_nondet_uchar() [L77] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L77] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L77] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L78] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L78] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L78] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L79] var_1_14 = __VERIFIER_nondet_float() [L80] EXPR \read(var_1_14) [L80] EXPR var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L80] EXPR var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F [L80] EXPR \read(var_1_14) [L80] EXPR var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L80] EXPR (var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L80] EXPR (var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L80] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L80] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L81] var_1_15 = __VERIFIER_nondet_float() [L82] EXPR \read(var_1_15) [L82] EXPR var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L82] EXPR var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F [L82] EXPR \read(var_1_15) [L82] EXPR var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L82] EXPR (var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L82] EXPR (var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L82] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L82] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L97] RET updateVariables() [L98] CALL step() [L45] COND TRUE (last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L46] COND FALSE !(last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L54] EXPR \read(*var_1_12_Pointer) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L54] COND TRUE (*(var_1_12_Pointer)) [L55] EXPR \read(*var_1_14_Pointer) [L55] EXPR \read(*var_1_15_Pointer) [L55] EXPR \read(*var_1_8_Pointer) [L55] EXPR \read(*var_1_10_Pointer) [L55] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L55] COND FALSE !(((*(var_1_14_Pointer)) - (*(var_1_15_Pointer))) >= (((*(var_1_8_Pointer)) + (*(var_1_10_Pointer))) + (*(var_1_9_Pointer)))) [L58] EXPR \read(*var_1_1_Pointer) [L58] (*(var_1_13_Pointer)) = (*(var_1_1_Pointer)) [L61] EXPR \read(*var_1_8_Pointer) [L61] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L61] EXPR (((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))) [L61] EXPR \read(*var_1_8_Pointer) [L61] EXPR (((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L61] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L61] COND TRUE (((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer)) [L62] last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer))) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L62] last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer))) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L62] COND FALSE !(last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR ((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR (last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1 [L89] EXPR (last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1 VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR ((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR (((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR (((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) [L89] EXPR \read(*var_1_8_Pointer) [L89] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR (((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))) [L89] EXPR \read(*var_1_8_Pointer) [L89] EXPR (((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR ((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) [L89] EXPR \read(*var_1_7_Pointer) [L89] EXPR \read(*var_1_12_Pointer) [L89] EXPR ((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR (((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR ((((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((*(var_1_12_Pointer)) ? ((((*(var_1_14_Pointer)) - (*(var_1_15_Pointer))) >= (((*(var_1_8_Pointer)) + (*(var_1_10_Pointer))) + (*(var_1_9_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed short int) (((((*(var_1_1_Pointer))) > ((*(var_1_1_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_1_Pointer))))))) : ((*(var_1_13_Pointer)) == ((signed short int) (*(var_1_1_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89] EXPR ((((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((*(var_1_12_Pointer)) ? ((((*(var_1_14_Pointer)) - (*(var_1_15_Pointer))) >= (((*(var_1_8_Pointer)) + (*(var_1_10_Pointer))) + (*(var_1_9_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed short int) (((((*(var_1_1_Pointer))) > ((*(var_1_1_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_1_Pointer))))))) : ((*(var_1_13_Pointer)) == ((signed short int) (*(var_1_1_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L89-L90] return ((((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((*(var_1_12_Pointer)) ? ((((*(var_1_14_Pointer)) - (*(var_1_15_Pointer))) >= (((*(var_1_8_Pointer)) + (*(var_1_10_Pointer))) + (*(var_1_9_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed short int) (((((*(var_1_1_Pointer))) > ((*(var_1_1_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_1_Pointer))))))) : ((*(var_1_13_Pointer)) == ((signed short int) (*(var_1_1_Pointer))))) : 1) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.0s, OverallIterations: 13, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3694 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3691 mSDsluCounter, 7682 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5959 mSDsCounter, 229 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1313 IncrementalHoareTripleChecker+Invalid, 1542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 229 mSolverCounterUnsat, 1723 mSDtfsCounter, 1313 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1257 GetRequests, 1114 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1839 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1049occurred in iteration=12, InterpolantAutomatonStates: 133, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1943 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1109 NumberOfCodeBlocks, 1109 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1169 ConstructedInterpolants, 0 QuantifiedInterpolants, 4123 SizeOfPredicates, 66 NumberOfNonLiveVariables, 4465 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 1188/1260 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 10:48:20,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1cca72686861ad5f32c03321c83cb01c79fc9fe11e27ec52efe74f8c4ef5e302 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:48:22,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:48:22,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:48:22,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:48:22,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:48:23,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:48:23,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:48:23,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:48:23,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:48:23,030 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:48:23,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:48:23,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:48:23,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:48:23,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:48:23,034 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:48:23,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:48:23,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:48:23,036 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:48:23,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:48:23,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:48:23,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:48:23,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:48:23,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:48:23,039 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:48:23,039 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:48:23,039 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:48:23,040 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:48:23,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:48:23,041 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:48:23,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:48:23,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:48:23,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:48:23,043 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:48:23,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:23,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:48:23,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:48:23,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:48:23,046 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:48:23,046 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:48:23,046 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:48:23,046 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:48:23,047 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:48:23,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:48:23,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:48:23,048 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:48:23,048 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_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cca72686861ad5f32c03321c83cb01c79fc9fe11e27ec52efe74f8c4ef5e302 [2023-11-26 10:48:23,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:48:23,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:48:23,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:48:23,539 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:48:23,539 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:48:23,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i [2023-11-26 10:48:26,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:48:27,041 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:48:27,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i [2023-11-26 10:48:27,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/data/7e70b440d/7d347894876b43d391398168b7e05c92/FLAG8a54e457c [2023-11-26 10:48:27,072 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/data/7e70b440d/7d347894876b43d391398168b7e05c92 [2023-11-26 10:48:27,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:48:27,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:48:27,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:27,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:48:27,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:48:27,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48cefcb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27, skipping insertion in model container [2023-11-26 10:48:27,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:48:27,293 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_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i[916,929] [2023-11-26 10:48:27,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:27,397 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:48:27,420 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_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i[916,929] [2023-11-26 10:48:27,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:27,567 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:48:27,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27 WrapperNode [2023-11-26 10:48:27,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:27,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:27,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:48:27,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:48:27,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,659 INFO L138 Inliner]: procedures = 36, calls = 118, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 383 [2023-11-26 10:48:27,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:27,665 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:48:27,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:48:27,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:48:27,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,694 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,736 INFO L175 MemorySlicer]: Split 91 memory accesses to 10 slices as follows [2, 19, 6, 12, 12, 10, 8, 6, 8, 8]. 21 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 12 writes are split as follows [0, 2, 2, 1, 1, 1, 1, 2, 1, 1]. [2023-11-26 10:48:27,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:48:27,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:48:27,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:48:27,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:48:27,839 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27" (1/1) ... [2023-11-26 10:48:27,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:27,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:27,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:27,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:48:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:48:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-26 10:48:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-26 10:48:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-26 10:48:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-26 10:48:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-11-26 10:48:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-11-26 10:48:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2023-11-26 10:48:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2023-11-26 10:48:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2023-11-26 10:48:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2023-11-26 10:48:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-26 10:48:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-26 10:48:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-26 10:48:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-26 10:48:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-11-26 10:48:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-11-26 10:48:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2023-11-26 10:48:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2023-11-26 10:48:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2023-11-26 10:48:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2023-11-26 10:48:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-26 10:48:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-26 10:48:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-26 10:48:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-26 10:48:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-26 10:48:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-26 10:48:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-11-26 10:48:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2023-11-26 10:48:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2023-11-26 10:48:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2023-11-26 10:48:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-26 10:48:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-26 10:48:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-11-26 10:48:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-11-26 10:48:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-11-26 10:48:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-11-26 10:48:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2023-11-26 10:48:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2023-11-26 10:48:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2023-11-26 10:48:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2023-11-26 10:48:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:48:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 10:48:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-26 10:48:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-26 10:48:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-26 10:48:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-26 10:48:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-26 10:48:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-26 10:48:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-26 10:48:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-11-26 10:48:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-26 10:48:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-26 10:48:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-26 10:48:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-26 10:48:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-26 10:48:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-26 10:48:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-11-26 10:48:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2023-11-26 10:48:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2023-11-26 10:48:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2023-11-26 10:48:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-26 10:48:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-26 10:48:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-11-26 10:48:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-11-26 10:48:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-11-26 10:48:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-11-26 10:48:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2023-11-26 10:48:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2023-11-26 10:48:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2023-11-26 10:48:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2023-11-26 10:48:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-26 10:48:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-26 10:48:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-11-26 10:48:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-11-26 10:48:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-11-26 10:48:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-11-26 10:48:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2023-11-26 10:48:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2023-11-26 10:48:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2023-11-26 10:48:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2023-11-26 10:48:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-26 10:48:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-26 10:48:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-26 10:48:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-26 10:48:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-26 10:48:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-26 10:48:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-11-26 10:48:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2023-11-26 10:48:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2023-11-26 10:48:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2023-11-26 10:48:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-26 10:48:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-26 10:48:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-26 10:48:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-26 10:48:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-26 10:48:27,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-11-26 10:48:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-11-26 10:48:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2023-11-26 10:48:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2023-11-26 10:48:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2023-11-26 10:48:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:48:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:48:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:48:27,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:48:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-26 10:48:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-26 10:48:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-26 10:48:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-26 10:48:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-26 10:48:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-26 10:48:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-11-26 10:48:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2023-11-26 10:48:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2023-11-26 10:48:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2023-11-26 10:48:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-26 10:48:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-26 10:48:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-11-26 10:48:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-11-26 10:48:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-11-26 10:48:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-11-26 10:48:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2023-11-26 10:48:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2023-11-26 10:48:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2023-11-26 10:48:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2023-11-26 10:48:28,244 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:48:28,247 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:48:40,064 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:48:40,151 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:48:40,151 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:48:40,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:40 BoogieIcfgContainer [2023-11-26 10:48:40,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:48:40,156 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:48:40,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:48:40,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:48:40,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:48:27" (1/3) ... [2023-11-26 10:48:40,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66db3932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:40, skipping insertion in model container [2023-11-26 10:48:40,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:27" (2/3) ... [2023-11-26 10:48:40,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66db3932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:40, skipping insertion in model container [2023-11-26 10:48:40,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:40" (3/3) ... [2023-11-26 10:48:40,166 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-21.i [2023-11-26 10:48:40,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:48:40,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:48:40,249 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:48:40,256 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;@758efb7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:48:40,256 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:48:40,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 10:48:40,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-26 10:48:40,274 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:40,275 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:40,276 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:40,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:40,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1647384108, now seen corresponding path program 1 times [2023-11-26 10:48:40,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:48:40,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580469673] [2023-11-26 10:48:40,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:40,298 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:48:40,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:48:40,305 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:48:40,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 10:48:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:40,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:48:40,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:40,876 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-26 10:48:40,876 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:40,877 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:48:40,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580469673] [2023-11-26 10:48:40,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580469673] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:40,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:40,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:48:40,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317294320] [2023-11-26 10:48:40,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:40,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:48:40,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:48:40,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:48:40,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:48:40,920 INFO L87 Difference]: Start difference. First operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:40,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:40,984 INFO L93 Difference]: Finished difference Result 175 states and 275 transitions. [2023-11-26 10:48:40,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:48:40,987 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 75 [2023-11-26 10:48:40,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:40,996 INFO L225 Difference]: With dead ends: 175 [2023-11-26 10:48:40,997 INFO L226 Difference]: Without dead ends: 87 [2023-11-26 10:48:41,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:48:41,005 INFO L413 NwaCegarLoop]: 126 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, 126 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:41,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:41,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-26 10:48:41,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-26 10:48:41,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 78 states have (on average 1.4871794871794872) internal successors, (116), 78 states have internal predecessors, (116), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-26 10:48:41,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2023-11-26 10:48:41,054 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 75 [2023-11-26 10:48:41,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:41,055 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2023-11-26 10:48:41,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:41,055 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2023-11-26 10:48:41,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-26 10:48:41,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:41,060 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:41,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:41,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:48:41,275 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:48:41,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:41,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1170950670, now seen corresponding path program 1 times [2023-11-26 10:48:41,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:48:41,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143173777] [2023-11-26 10:48:41,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:41,279 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 10:48:41,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:48:41,281 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 10:48:41,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4de5e58f-a53d-4fa2-bdc0-cfc13c6434cd/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 10:48:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:41,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:48:41,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:41,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-26 10:48:42,179 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-26 10:48:42,179 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:42,179 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:48:42,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143173777] [2023-11-26 10:48:42,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143173777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:42,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:42,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:48:42,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991367629] [2023-11-26 10:48:42,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:42,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:42,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:48:42,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:42,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:48:42,183 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-26 10:48:46,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:48:48,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:48:52,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:48:54,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []