./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifcomp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ifcomp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --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 0d2a65255d8b2e6b68882339bb2639d8ae744f5b340e0d3d33c067476b0c9dc7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:48:02,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:48:02,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:48:02,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:48:02,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:48:02,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:48:02,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:48:02,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:48:02,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:48:02,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:48:02,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:48:02,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:48:02,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:48:02,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:48:02,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:48:02,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:48:02,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:48:02,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:48:02,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:48:02,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:48:02,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:48:02,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:48:02,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:48:02,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:48:02,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:48:02,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:48:02,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:48:02,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:48:02,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:48:02,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:48:02,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:48:02,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:48:02,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:48:02,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:48:02,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:48:02,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:48:02,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:48:02,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:48:02,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:48:02,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:48:02,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:48:02,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 14:48:02,790 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:48:02,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:48:02,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:48:02,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:48:02,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:48:02,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:48:02,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:48:02,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:48:02,805 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:48:02,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:48:02,806 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:48:02,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:48:02,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:48:02,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:48:02,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:48:02,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:48:02,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:48:02,807 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:48:02,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:48:02,807 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:48:02,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:48:02,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:48:02,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:48:02,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:48:02,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:48:02,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:48:02,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:48:02,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:48:02,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:48:02,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:48:02,809 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:48:02,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:48:02,810 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:48:02,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:48:02,810 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:48:02,810 INFO L138 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_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a65255d8b2e6b68882339bb2639d8ae744f5b340e0d3d33c067476b0c9dc7 [2022-12-13 14:48:02,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:48:03,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:48:03,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:48:03,017 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:48:03,017 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:48:03,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/array-fpi/ifcomp.c [2022-12-13 14:48:05,596 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:48:05,725 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:48:05,726 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/sv-benchmarks/c/array-fpi/ifcomp.c [2022-12-13 14:48:05,730 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/data/c01047ffb/73eec2d329074727a889c5bef110dcd1/FLAG9e369ff2f [2022-12-13 14:48:05,740 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/data/c01047ffb/73eec2d329074727a889c5bef110dcd1 [2022-12-13 14:48:05,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:48:05,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:48:05,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:48:05,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:48:05,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:48:05,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:48:05" (1/1) ... [2022-12-13 14:48:05,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643e0243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:05, skipping insertion in model container [2022-12-13 14:48:05,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:48:05" (1/1) ... [2022-12-13 14:48:05,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:48:05,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:48:05,902 WARN L237 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_2742e856-ba48-4f19-ad25-0dfd6761a936/sv-benchmarks/c/array-fpi/ifcomp.c[589,602] [2022-12-13 14:48:05,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:48:05,930 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:48:05,939 WARN L237 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_2742e856-ba48-4f19-ad25-0dfd6761a936/sv-benchmarks/c/array-fpi/ifcomp.c[589,602] [2022-12-13 14:48:05,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:48:05,961 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:48:05,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:05 WrapperNode [2022-12-13 14:48:05,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:48:05,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:48:05,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:48:05,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:48:05,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:05" (1/1) ... [2022-12-13 14:48:05,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:05" (1/1) ... [2022-12-13 14:48:05,995 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2022-12-13 14:48:05,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:48:05,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:48:05,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:48:05,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:48:06,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:05" (1/1) ... [2022-12-13 14:48:06,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:05" (1/1) ... [2022-12-13 14:48:06,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:05" (1/1) ... [2022-12-13 14:48:06,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:05" (1/1) ... [2022-12-13 14:48:06,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:05" (1/1) ... [2022-12-13 14:48:06,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:05" (1/1) ... [2022-12-13 14:48:06,018 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:05" (1/1) ... [2022-12-13 14:48:06,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:05" (1/1) ... [2022-12-13 14:48:06,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:48:06,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:48:06,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:48:06,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:48:06,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:05" (1/1) ... [2022-12-13 14:48:06,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:48:06,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:48:06,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:48:06,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:48:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:48:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:48:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:48:06,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 14:48:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:48:06,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:48:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:48:06,142 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:48:06,143 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:48:06,277 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:48:06,282 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:48:06,282 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 14:48:06,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:48:06 BoogieIcfgContainer [2022-12-13 14:48:06,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:48:06,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:48:06,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:48:06,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:48:06,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:48:05" (1/3) ... [2022-12-13 14:48:06,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618b5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:48:06, skipping insertion in model container [2022-12-13 14:48:06,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:05" (2/3) ... [2022-12-13 14:48:06,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618b5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:48:06, skipping insertion in model container [2022-12-13 14:48:06,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:48:06" (3/3) ... [2022-12-13 14:48:06,290 INFO L112 eAbstractionObserver]: Analyzing ICFG ifcomp.c [2022-12-13 14:48:06,304 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:48:06,305 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:48:06,341 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:48:06,346 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=LoopsAndPotentialCycles, 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;@67014a17, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:48:06,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:48:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.6) internal successors, (40), 26 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:06,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 14:48:06,354 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:48:06,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:48:06,355 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:48:06,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:48:06,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1152450264, now seen corresponding path program 1 times [2022-12-13 14:48:06,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:48:06,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963776768] [2022-12-13 14:48:06,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:06,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:48:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:48:06,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:48:06,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963776768] [2022-12-13 14:48:06,465 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 14:48:06,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477348290] [2022-12-13 14:48:06,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:06,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:06,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:48:06,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:48:06,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:48:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:48:06,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 14:48:06,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:48:06,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:48:06,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:48:06,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477348290] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:48:06,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:48:06,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:48:06,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074451980] [2022-12-13 14:48:06,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:48:06,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 14:48:06,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:48:06,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:48:06,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:48:06,585 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.6) internal successors, (40), 26 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:06,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:48:06,597 INFO L93 Difference]: Finished difference Result 50 states and 74 transitions. [2022-12-13 14:48:06,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:48:06,605 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-13 14:48:06,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:48:06,611 INFO L225 Difference]: With dead ends: 50 [2022-12-13 14:48:06,611 INFO L226 Difference]: Without dead ends: 23 [2022-12-13 14:48:06,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:48:06,616 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:48:06,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:48:06,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-13 14:48:06,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-12-13 14:48:06,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:06,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2022-12-13 14:48:06,654 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 29 transitions. Word has length 14 [2022-12-13 14:48:06,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:48:06,655 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 29 transitions. [2022-12-13 14:48:06,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2022-12-13 14:48:06,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 14:48:06,656 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:48:06,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:48:06,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:48:06,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-13 14:48:06,859 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:48:06,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:48:06,861 INFO L85 PathProgramCache]: Analyzing trace with hash 670750212, now seen corresponding path program 1 times [2022-12-13 14:48:06,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:48:06,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824182441] [2022-12-13 14:48:06,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:06,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:48:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:48:06,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:48:06,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824182441] [2022-12-13 14:48:06,997 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 14:48:06,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220734196] [2022-12-13 14:48:06,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:06,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:07,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:48:07,003 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:48:07,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 14:48:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:48:07,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 14:48:07,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:48:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:48:07,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:48:07,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220734196] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:48:07,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:48:07,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:48:07,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224050133] [2022-12-13 14:48:07,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:48:07,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:48:07,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:48:07,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:48:07,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:48:07,140 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:07,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:48:07,216 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2022-12-13 14:48:07,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:48:07,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-13 14:48:07,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:48:07,217 INFO L225 Difference]: With dead ends: 53 [2022-12-13 14:48:07,217 INFO L226 Difference]: Without dead ends: 38 [2022-12-13 14:48:07,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:48:07,218 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 56 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:48:07,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 16 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:48:07,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-12-13 14:48:07,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 26. [2022-12-13 14:48:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:07,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2022-12-13 14:48:07,223 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 14 [2022-12-13 14:48:07,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:48:07,223 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2022-12-13 14:48:07,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:07,224 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-12-13 14:48:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 14:48:07,224 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:48:07,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:48:07,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 14:48:07,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:07,426 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:48:07,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:48:07,428 INFO L85 PathProgramCache]: Analyzing trace with hash -203130337, now seen corresponding path program 1 times [2022-12-13 14:48:07,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:48:07,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770352658] [2022-12-13 14:48:07,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:07,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:48:07,524 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 14:48:07,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [442721451] [2022-12-13 14:48:07,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:07,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:07,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:48:07,530 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:48:07,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 14:48:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:48:07,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 14:48:07,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:48:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 14:48:07,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:48:07,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:48:07,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770352658] [2022-12-13 14:48:07,642 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 14:48:07,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442721451] [2022-12-13 14:48:07,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442721451] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:48:07,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:48:07,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:48:07,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146405404] [2022-12-13 14:48:07,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:48:07,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:48:07,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:48:07,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:48:07,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:48:07,644 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:07,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:48:07,692 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2022-12-13 14:48:07,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:48:07,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-12-13 14:48:07,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:48:07,694 INFO L225 Difference]: With dead ends: 58 [2022-12-13 14:48:07,694 INFO L226 Difference]: Without dead ends: 38 [2022-12-13 14:48:07,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:48:07,696 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:48:07,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 25 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:48:07,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-12-13 14:48:07,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 29. [2022-12-13 14:48:07,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:07,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2022-12-13 14:48:07,700 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 23 [2022-12-13 14:48:07,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:48:07,700 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-12-13 14:48:07,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:07,700 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-12-13 14:48:07,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 14:48:07,701 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:48:07,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:48:07,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 14:48:07,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:07,902 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:48:07,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:48:07,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1978137699, now seen corresponding path program 1 times [2022-12-13 14:48:07,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:48:07,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050361336] [2022-12-13 14:48:07,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:07,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:48:07,929 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 14:48:07,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031355463] [2022-12-13 14:48:07,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:07,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:07,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:48:07,931 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:48:07,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 14:48:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:48:08,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 14:48:08,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:48:08,064 INFO L350 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 [2022-12-13 14:48:08,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 14:48:08,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:48:08,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:48:08,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050361336] [2022-12-13 14:48:08,114 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 14:48:08,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031355463] [2022-12-13 14:48:08,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031355463] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:48:08,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:48:08,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 14:48:08,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676789339] [2022-12-13 14:48:08,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:48:08,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:48:08,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:48:08,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:48:08,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:48:08,116 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:08,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:48:08,207 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2022-12-13 14:48:08,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:48:08,208 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-12-13 14:48:08,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:48:08,208 INFO L225 Difference]: With dead ends: 46 [2022-12-13 14:48:08,208 INFO L226 Difference]: Without dead ends: 44 [2022-12-13 14:48:08,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:48:08,209 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 52 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:48:08,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 77 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:48:08,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-13 14:48:08,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 34. [2022-12-13 14:48:08,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:08,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2022-12-13 14:48:08,215 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 23 [2022-12-13 14:48:08,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:48:08,215 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2022-12-13 14:48:08,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-13 14:48:08,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 14:48:08,216 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:48:08,216 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:48:08,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 14:48:08,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:08,417 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:48:08,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:48:08,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1659346963, now seen corresponding path program 1 times [2022-12-13 14:48:08,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:48:08,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849474821] [2022-12-13 14:48:08,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:08,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:48:08,459 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 14:48:08,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [853895316] [2022-12-13 14:48:08,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:08,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:08,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:48:08,463 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:48:08,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 14:48:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:48:08,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 14:48:08,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:48:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:48:08,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:48:08,644 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:48:08,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:48:08,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849474821] [2022-12-13 14:48:08,645 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 14:48:08,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853895316] [2022-12-13 14:48:08,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853895316] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:48:08,645 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:48:08,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-12-13 14:48:08,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353811365] [2022-12-13 14:48:08,645 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:48:08,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 14:48:08,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:48:08,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 14:48:08,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 14:48:08,647 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:08,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:48:08,759 INFO L93 Difference]: Finished difference Result 92 states and 111 transitions. [2022-12-13 14:48:08,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 14:48:08,760 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-12-13 14:48:08,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:48:08,761 INFO L225 Difference]: With dead ends: 92 [2022-12-13 14:48:08,761 INFO L226 Difference]: Without dead ends: 53 [2022-12-13 14:48:08,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-12-13 14:48:08,762 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 55 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:48:08,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 41 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:48:08,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-12-13 14:48:08,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 35. [2022-12-13 14:48:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:08,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2022-12-13 14:48:08,766 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 26 [2022-12-13 14:48:08,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:48:08,766 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2022-12-13 14:48:08,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-12-13 14:48:08,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 14:48:08,767 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:48:08,767 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:48:08,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 14:48:08,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:08,968 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:48:08,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:48:08,970 INFO L85 PathProgramCache]: Analyzing trace with hash -643446870, now seen corresponding path program 1 times [2022-12-13 14:48:08,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:48:08,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250891287] [2022-12-13 14:48:08,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:08,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:48:09,064 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 14:48:09,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1958716008] [2022-12-13 14:48:09,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:09,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:09,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:48:09,066 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:48:09,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 14:48:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:48:09,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-13 14:48:09,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:48:09,209 INFO L350 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 [2022-12-13 14:48:09,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:09,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-13 14:48:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:48:09,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:48:09,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-12-13 14:48:09,516 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 14:48:09,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:48:09,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250891287] [2022-12-13 14:48:09,516 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 14:48:09,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958716008] [2022-12-13 14:48:09,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958716008] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:48:09,517 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:48:09,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2022-12-13 14:48:09,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519714048] [2022-12-13 14:48:09,517 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:48:09,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 14:48:09,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:48:09,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 14:48:09,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2022-12-13 14:48:09,519 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:10,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:48:10,059 INFO L93 Difference]: Finished difference Result 134 states and 160 transitions. [2022-12-13 14:48:10,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 14:48:10,059 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-12-13 14:48:10,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:48:10,061 INFO L225 Difference]: With dead ends: 134 [2022-12-13 14:48:10,061 INFO L226 Difference]: Without dead ends: 106 [2022-12-13 14:48:10,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2022-12-13 14:48:10,062 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 235 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 14:48:10,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 86 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 14:48:10,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-12-13 14:48:10,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 49. [2022-12-13 14:48:10,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 48 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:10,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2022-12-13 14:48:10,069 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 32 [2022-12-13 14:48:10,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:48:10,069 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2022-12-13 14:48:10,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:10,070 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2022-12-13 14:48:10,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 14:48:10,071 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:48:10,071 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:48:10,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 14:48:10,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:10,272 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:48:10,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:48:10,273 INFO L85 PathProgramCache]: Analyzing trace with hash -2051071008, now seen corresponding path program 1 times [2022-12-13 14:48:10,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:48:10,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984626807] [2022-12-13 14:48:10,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:10,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:48:10,308 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 14:48:10,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [657478343] [2022-12-13 14:48:10,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:10,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:10,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:48:10,311 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:48:10,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 14:48:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:48:10,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-13 14:48:10,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:48:10,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2022-12-13 14:48:10,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 14:48:10,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-13 14:48:10,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-13 14:48:10,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2022-12-13 14:48:10,824 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:48:10,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 26 [2022-12-13 14:48:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:48:10,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:48:13,182 WARN L837 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~c~0#1.offset| Int)) (= (select (let ((.cse0 (store (select |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base|) |ULTIMATE.start_main_~c~0#1.offset| 0))) (store .cse0 (+ |ULTIMATE.start_main_~c~0#1.offset| (* (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296) 8)) (let ((.cse1 (* (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296) 8))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| .cse0) |c_ULTIMATE.start_main_~b~0#1.base|) (+ .cse1 |c_ULTIMATE.start_main_~b~0#1.offset|)) (select .cse0 (+ |ULTIMATE.start_main_~c~0#1.offset| .cse1)))))) (+ |ULTIMATE.start_main_~c~0#1.offset| 8)) 1)) is different from false [2022-12-13 14:48:13,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2022-12-13 14:48:13,490 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2022-12-13 14:48:13,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:48:13,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984626807] [2022-12-13 14:48:13,490 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 14:48:13,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657478343] [2022-12-13 14:48:13,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657478343] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:48:13,490 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:48:13,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 26 [2022-12-13 14:48:13,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998384358] [2022-12-13 14:48:13,491 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:48:13,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-13 14:48:13,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:48:13,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-13 14:48:13,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=482, Unknown=1, NotChecked=46, Total=650 [2022-12-13 14:48:13,492 INFO L87 Difference]: Start difference. First operand 49 states and 58 transitions. Second operand has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 26 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:16,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:48:16,734 INFO L93 Difference]: Finished difference Result 236 states and 270 transitions. [2022-12-13 14:48:16,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 14:48:16,734 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 26 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-12-13 14:48:16,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:48:16,736 INFO L225 Difference]: With dead ends: 236 [2022-12-13 14:48:16,736 INFO L226 Difference]: Without dead ends: 203 [2022-12-13 14:48:16,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 984 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=764, Invalid=2779, Unknown=1, NotChecked=116, Total=3660 [2022-12-13 14:48:16,742 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 608 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 100 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 14:48:16,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 209 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 492 Invalid, 0 Unknown, 100 Unchecked, 0.8s Time] [2022-12-13 14:48:16,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-12-13 14:48:16,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 85. [2022-12-13 14:48:16,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.25) internal successors, (105), 84 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:16,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 105 transitions. [2022-12-13 14:48:16,754 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 105 transitions. Word has length 36 [2022-12-13 14:48:16,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:48:16,754 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 105 transitions. [2022-12-13 14:48:16,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 26 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:16,754 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 105 transitions. [2022-12-13 14:48:16,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-13 14:48:16,754 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:48:16,754 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:48:16,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 14:48:16,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-13 14:48:16,956 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:48:16,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:48:16,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1866238698, now seen corresponding path program 2 times [2022-12-13 14:48:16,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:48:16,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552391062] [2022-12-13 14:48:16,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:16,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:48:17,009 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 14:48:17,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [883842622] [2022-12-13 14:48:17,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:48:17,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:17,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:48:17,011 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:48:17,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 14:48:17,067 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 14:48:17,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:48:17,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 14:48:17,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:48:17,127 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 14:48:17,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:48:17,173 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 14:48:17,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:48:17,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552391062] [2022-12-13 14:48:17,173 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 14:48:17,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883842622] [2022-12-13 14:48:17,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883842622] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:48:17,174 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:48:17,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2022-12-13 14:48:17,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654752718] [2022-12-13 14:48:17,174 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:48:17,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 14:48:17,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:48:17,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 14:48:17,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-12-13 14:48:17,175 INFO L87 Difference]: Start difference. First operand 85 states and 105 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:17,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:48:17,375 INFO L93 Difference]: Finished difference Result 215 states and 257 transitions. [2022-12-13 14:48:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 14:48:17,375 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-12-13 14:48:17,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:48:17,376 INFO L225 Difference]: With dead ends: 215 [2022-12-13 14:48:17,376 INFO L226 Difference]: Without dead ends: 118 [2022-12-13 14:48:17,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 64 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2022-12-13 14:48:17,378 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 92 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:48:17,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 56 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:48:17,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-12-13 14:48:17,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 94. [2022-12-13 14:48:17,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.2043010752688172) internal successors, (112), 93 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 112 transitions. [2022-12-13 14:48:17,390 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 112 transitions. Word has length 40 [2022-12-13 14:48:17,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:48:17,390 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 112 transitions. [2022-12-13 14:48:17,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2022-12-13 14:48:17,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-13 14:48:17,391 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:48:17,391 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:48:17,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-13 14:48:17,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:17,592 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:48:17,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:48:17,593 INFO L85 PathProgramCache]: Analyzing trace with hash 383833277, now seen corresponding path program 2 times [2022-12-13 14:48:17,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:48:17,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446242470] [2022-12-13 14:48:17,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:17,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:48:17,653 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 14:48:17,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1316606975] [2022-12-13 14:48:17,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:48:17,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:17,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:48:17,654 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:48:17,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 14:48:17,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 14:48:17,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:48:17,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 14:48:17,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:48:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 32 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 14:48:17,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:48:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 32 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 14:48:17,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:48:17,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446242470] [2022-12-13 14:48:17,900 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 14:48:17,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316606975] [2022-12-13 14:48:17,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316606975] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:48:17,900 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:48:17,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2022-12-13 14:48:17,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917704031] [2022-12-13 14:48:17,900 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 14:48:17,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 14:48:17,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:48:17,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 14:48:17,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-12-13 14:48:17,902 INFO L87 Difference]: Start difference. First operand 94 states and 112 transitions. Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:18,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:48:18,200 INFO L93 Difference]: Finished difference Result 252 states and 290 transitions. [2022-12-13 14:48:18,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 14:48:18,200 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-12-13 14:48:18,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:48:18,202 INFO L225 Difference]: With dead ends: 252 [2022-12-13 14:48:18,202 INFO L226 Difference]: Without dead ends: 173 [2022-12-13 14:48:18,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 74 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-12-13 14:48:18,204 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 180 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 14:48:18,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 86 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 14:48:18,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-12-13 14:48:18,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 131. [2022-12-13 14:48:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.1692307692307693) internal successors, (152), 130 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:18,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2022-12-13 14:48:18,219 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2022-12-13 14:48:18,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:48:18,219 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2022-12-13 14:48:18,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:48:18,219 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2022-12-13 14:48:18,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-13 14:48:18,220 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:48:18,220 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:48:18,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 14:48:18,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:18,421 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:48:18,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:48:18,421 INFO L85 PathProgramCache]: Analyzing trace with hash 132233513, now seen corresponding path program 3 times [2022-12-13 14:48:18,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:48:18,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330688556] [2022-12-13 14:48:18,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:18,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:48:18,446 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 14:48:18,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1346062888] [2022-12-13 14:48:18,446 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 14:48:18,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:48:18,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:48:18,447 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:48:18,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2742e856-ba48-4f19-ad25-0dfd6761a936/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 14:48:19,141 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-13 14:48:19,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:48:19,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 91 conjunts are in the unsatisfiable core [2022-12-13 14:48:19,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:48:19,195 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-13 14:48:19,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 84 [2022-12-13 14:48:19,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2022-12-13 14:48:19,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2022-12-13 14:48:19,329 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-12-13 14:48:19,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 95 [2022-12-13 14:48:19,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:19,378 INFO L321 Elim1Store]: treesize reduction 27, result has 35.7 percent of original size [2022-12-13 14:48:19,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 32 [2022-12-13 14:48:19,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 60 [2022-12-13 14:48:19,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:19,610 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-12-13 14:48:19,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 105 [2022-12-13 14:48:19,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:19,656 INFO L321 Elim1Store]: treesize reduction 27, result has 35.7 percent of original size [2022-12-13 14:48:19,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 42 [2022-12-13 14:48:20,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2022-12-13 14:48:20,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 150 [2022-12-13 14:48:20,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 14:48:20,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:20,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:20,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:20,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:20,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 194 [2022-12-13 14:48:20,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:20,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:20,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 98 [2022-12-13 14:48:20,893 INFO L321 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2022-12-13 14:48:20,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 155 treesize of output 185 [2022-12-13 14:48:21,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:21,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:21,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:21,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 42 [2022-12-13 14:48:21,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:21,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:21,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:21,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 42 [2022-12-13 14:48:21,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:21,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:21,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:21,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 42 [2022-12-13 14:48:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:22,090 INFO L321 Elim1Store]: treesize reduction 60, result has 49.2 percent of original size [2022-12-13 14:48:22,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 117 treesize of output 148 [2022-12-13 14:48:23,334 INFO L321 Elim1Store]: treesize reduction 100, result has 36.3 percent of original size [2022-12-13 14:48:23,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 236 treesize of output 261 [2022-12-13 14:48:24,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,324 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-12-13 14:48:24,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 154 [2022-12-13 14:48:24,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,386 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-12-13 14:48:24,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 106 treesize of output 46 [2022-12-13 14:48:24,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,446 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-12-13 14:48:24,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 154 [2022-12-13 14:48:24,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,504 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-12-13 14:48:24,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 102 treesize of output 55 [2022-12-13 14:48:24,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,612 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2022-12-13 14:48:24,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 154 [2022-12-13 14:48:24,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 60 [2022-12-13 14:48:24,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,828 INFO L321 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2022-12-13 14:48:24,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 153 [2022-12-13 14:48:24,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:24,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 44 [2022-12-13 14:48:25,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:25,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:25,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:25,076 INFO L321 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2022-12-13 14:48:25,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 153 [2022-12-13 14:48:25,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:25,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 60 [2022-12-13 14:48:25,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:25,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:25,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:25,181 INFO L321 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2022-12-13 14:48:25,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 153 [2022-12-13 14:48:25,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:48:25,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 74 [2022-12-13 14:48:33,558 INFO L321 Elim1Store]: treesize reduction 562, result has 23.8 percent of original size [2022-12-13 14:48:33,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 77 case distinctions, treesize of input 1261 treesize of output 1279 [2022-12-13 14:52:58,890 WARN L233 SmtUtils]: Spent 21.33s on a formula simplification. DAG size of input: 593 DAG size of output: 593 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-13 14:53:15,729 WARN L233 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 587 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-13 14:58:15,022 WARN L233 SmtUtils]: Spent 53.64s on a formula simplification that was a NOOP. DAG size: 1132 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-13 14:59:42,503 WARN L233 SmtUtils]: Spent 34.55s on a formula simplification that was a NOOP. DAG size: 1886 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-13 15:00:12,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:12,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:12,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:12,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:12,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:12,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:12,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:12,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:12,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:12,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:12,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 259 [2022-12-13 15:00:13,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:13,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:13,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:13,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:13,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:13,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:13,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:13,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:13,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 290 [2022-12-13 15:00:16,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,447 INFO L321 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2022-12-13 15:00:16,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 305 treesize of output 344 [2022-12-13 15:00:16,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:16,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:16,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 297 treesize of output 191 [2022-12-13 15:00:17,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:17,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:17,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:17,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:17,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:17,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:17,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:17,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 197 [2022-12-13 15:00:17,824 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 15:00:40,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:40,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:40,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:40,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:40,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:40,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:40,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:40,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:40,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:40,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 259 [2022-12-13 15:00:45,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 383 treesize of output 403 [2022-12-13 15:00:45,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:45,411 INFO L321 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2022-12-13 15:00:45,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 313 treesize of output 352 [2022-12-13 15:00:46,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:46,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:46,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:46,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:00:46,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 206 [2022-12-13 15:00:48,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:48,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:48,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:48,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:48,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:48,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:48,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:48,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:00:48,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 197 [2022-12-13 15:00:49,041 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 15:01:37,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:37,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:37,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:37,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:37,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:37,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:37,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:37,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 197 [2022-12-13 15:01:45,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:45,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:45,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:45,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:45,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:45,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:45,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:45,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:45,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:45,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:45,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 259 [2022-12-13 15:01:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:46,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:46,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:46,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:46,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:46,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:46,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 309 treesize of output 352 [2022-12-13 15:01:47,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 197 [2022-12-13 15:01:47,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:47,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 259 [2022-12-13 15:01:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:52,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:52,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:52,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:52,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:52,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:52,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:52,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:52,157 INFO L321 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2022-12-13 15:01:52,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 194 treesize of output 257 [2022-12-13 15:01:52,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:52,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:52,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:52,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:52,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:52,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:52,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:01:52,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 96 [2022-12-13 15:01:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:59,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:59,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:59,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:59,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:59,835 INFO L321 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2022-12-13 15:01:59,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 14 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 194 treesize of output 257 [2022-12-13 15:01:59,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:59,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:59,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:01:59,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:01:59,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 94 [2022-12-13 15:02:05,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:05,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:05,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:05,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:05,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:05,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:05,326 INFO L321 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2022-12-13 15:02:05,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 138 treesize of output 196 [2022-12-13 15:02:05,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:05,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:02:05,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 17 [2022-12-13 15:02:29,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:02:29,586 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 15:02:29,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:02:29,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 15:02:29,626 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-13 15:02:29,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:29,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:29,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:29,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:29,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:29,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 85 [2022-12-13 15:02:29,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:29,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:29,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:29,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:29,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:29,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:29,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 85 [2022-12-13 15:02:34,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:34,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:34,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:34,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:34,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:34,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:34,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:34,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:34,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 301 treesize of output 344 [2022-12-13 15:02:45,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:45,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:45,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:45,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:45,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:45,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:45,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:45,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 15:02:45,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 197