./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/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_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/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_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/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 879a640f466eee273c1bfb9ec38819f0b05c8e28dd65a68aba774d943b257ad3 --- 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 16:30:54,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:30:54,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:30:54,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:30:54,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:30:54,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:30:54,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:30:54,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:30:54,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:30:54,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:30:54,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:30:54,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:30:54,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:30:54,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:30:54,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:30:54,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:30:54,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:30:54,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:30:54,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:30:54,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:30:54,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:30:54,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:30:54,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:30:54,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:30:54,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:30:54,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:30:54,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:30:54,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:30:54,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:30:54,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:30:54,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:30:54,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:30:54,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:30:54,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:30:54,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:30:54,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:30:54,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:30:54,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:30:54,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:30:54,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:30:54,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:30:54,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 16:30:54,803 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:30:54,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:30:54,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:30:54,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:30:54,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:30:54,805 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:30:54,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:30:54,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:30:54,805 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:30:54,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:30:54,812 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:30:54,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:30:54,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:30:54,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:30:54,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:30:54,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:30:54,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:30:54,813 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:30:54,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:30:54,813 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:30:54,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:30:54,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:30:54,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:30:54,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:30:54,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:30:54,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:30:54,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:30:54,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:30:54,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:30:54,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:30:54,816 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:30:54,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:30:54,816 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:30:54,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:30:54,816 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:30:54,817 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_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 879a640f466eee273c1bfb9ec38819f0b05c8e28dd65a68aba774d943b257ad3 [2022-12-13 16:30:55,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:30:55,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:30:55,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:30:55,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:30:55,024 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:30:55,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c [2022-12-13 16:30:57,635 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:30:57,772 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:30:57,773 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c [2022-12-13 16:30:57,778 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/data/b9f3babfa/e8d7aeff0d074201b5991e7c12481823/FLAG947078324 [2022-12-13 16:30:57,790 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/data/b9f3babfa/e8d7aeff0d074201b5991e7c12481823 [2022-12-13 16:30:57,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:30:57,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:30:57,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:30:57,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:30:57,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:30:57,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:30:57" (1/1) ... [2022-12-13 16:30:57,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d20478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:57, skipping insertion in model container [2022-12-13 16:30:57,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:30:57" (1/1) ... [2022-12-13 16:30:57,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:30:57,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:30:57,930 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_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c[524,537] [2022-12-13 16:30:57,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:30:57,957 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:30:57,967 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_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound10.c[524,537] [2022-12-13 16:30:57,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:30:57,989 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:30:57,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:57 WrapperNode [2022-12-13 16:30:57,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:30:57,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:30:57,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:30:57,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:30:57,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:57" (1/1) ... [2022-12-13 16:30:58,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:57" (1/1) ... [2022-12-13 16:30:58,020 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-12-13 16:30:58,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:30:58,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:30:58,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:30:58,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:30:58,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:57" (1/1) ... [2022-12-13 16:30:58,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:57" (1/1) ... [2022-12-13 16:30:58,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:57" (1/1) ... [2022-12-13 16:30:58,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:57" (1/1) ... [2022-12-13 16:30:58,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:57" (1/1) ... [2022-12-13 16:30:58,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:57" (1/1) ... [2022-12-13 16:30:58,039 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:57" (1/1) ... [2022-12-13 16:30:58,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:57" (1/1) ... [2022-12-13 16:30:58,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:30:58,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:30:58,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:30:58,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:30:58,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:57" (1/1) ... [2022-12-13 16:30:58,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:30:58,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:58,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:30:58,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:30:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:30:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 16:30:58,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 16:30:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:30:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:30:58,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:30:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 16:30:58,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 16:30:58,155 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:30:58,157 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:30:58,272 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:30:58,276 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:30:58,276 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 16:30:58,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:30:58 BoogieIcfgContainer [2022-12-13 16:30:58,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:30:58,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:30:58,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:30:58,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:30:58,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:30:57" (1/3) ... [2022-12-13 16:30:58,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4166ee00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:30:58, skipping insertion in model container [2022-12-13 16:30:58,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:30:57" (2/3) ... [2022-12-13 16:30:58,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4166ee00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:30:58, skipping insertion in model container [2022-12-13 16:30:58,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:30:58" (3/3) ... [2022-12-13 16:30:58,284 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound10.c [2022-12-13 16:30:58,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:30:58,307 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 16:30:58,350 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:30:58,355 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;@652d65d8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:30:58,355 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 16:30:58,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 20 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 16:30:58,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 16:30:58,363 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:30:58,364 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:30:58,364 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:30:58,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:58,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1472905330, now seen corresponding path program 1 times [2022-12-13 16:30:58,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:58,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371452901] [2022-12-13 16:30:58,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:58,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:58,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:30:58,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371452901] [2022-12-13 16:30:58,465 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-13 16:30:58,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15801976] [2022-12-13 16:30:58,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:58,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:30:58,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:58,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:30:58,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 16:30:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:58,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 16:30:58,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:30:58,554 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 16:30:58,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:30:58,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15801976] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:30:58,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:30:58,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:30:58,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328360218] [2022-12-13 16:30:58,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:30:58,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:30:58,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:30:58,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:30:58,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:30:58,584 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 20 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 16:30:58,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:30:58,601 INFO L93 Difference]: Finished difference Result 55 states and 82 transitions. [2022-12-13 16:30:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:30:58,603 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2022-12-13 16:30:58,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:30:58,611 INFO L225 Difference]: With dead ends: 55 [2022-12-13 16:30:58,611 INFO L226 Difference]: Without dead ends: 25 [2022-12-13 16:30:58,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 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 16:30:58,617 INFO L413 NwaCegarLoop]: 36 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, 36 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 16:30:58,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:30:58,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-13 16:30:58,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-12-13 16:30:58,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 16:30:58,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2022-12-13 16:30:58,656 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 24 [2022-12-13 16:30:58,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:30:58,657 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2022-12-13 16:30:58,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 16:30:58,657 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-12-13 16:30:58,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 16:30:58,659 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:30:58,659 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:30:58,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:30:58,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-13 16:30:58,861 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:30:58,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:58,863 INFO L85 PathProgramCache]: Analyzing trace with hash 324198000, now seen corresponding path program 1 times [2022-12-13 16:30:58,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:58,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832544781] [2022-12-13 16:30:58,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:58,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:58,914 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 16:30:58,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1528553102] [2022-12-13 16:30:58,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:58,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:30:58,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:58,916 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:30:58,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 16:30:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:58,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-13 16:30:58,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:30:59,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 16:30:59,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:30:59,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:30:59,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832544781] [2022-12-13 16:30:59,078 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 16:30:59,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528553102] [2022-12-13 16:30:59,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528553102] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:30:59,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:30:59,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 16:30:59,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900359273] [2022-12-13 16:30:59,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:30:59,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 16:30:59,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:30:59,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 16:30:59,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-13 16:30:59,080 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:30:59,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:30:59,189 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2022-12-13 16:30:59,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 16:30:59,190 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2022-12-13 16:30:59,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:30:59,191 INFO L225 Difference]: With dead ends: 39 [2022-12-13 16:30:59,191 INFO L226 Difference]: Without dead ends: 37 [2022-12-13 16:30:59,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-13 16:30:59,192 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 28 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:30:59,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 76 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:30:59,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-12-13 16:30:59,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 31. [2022-12-13 16:30:59,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 16:30:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2022-12-13 16:30:59,198 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 24 [2022-12-13 16:30:59,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:30:59,199 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-12-13 16:30:59,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 16:30:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-12-13 16:30:59,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-13 16:30:59,199 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:30:59,200 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:30:59,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 16:30:59,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:30:59,402 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:30:59,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:30:59,404 INFO L85 PathProgramCache]: Analyzing trace with hash 693549193, now seen corresponding path program 1 times [2022-12-13 16:30:59,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:30:59,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473270145] [2022-12-13 16:30:59,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:59,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:30:59,445 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 16:30:59,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [739458483] [2022-12-13 16:30:59,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:30:59,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:30:59,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:30:59,450 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:30:59,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 16:30:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:30:59,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 16:30:59,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:30:59,765 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 16:30:59,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:30:59,944 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 16:30:59,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:30:59,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473270145] [2022-12-13 16:30:59,944 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 16:30:59,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739458483] [2022-12-13 16:30:59,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739458483] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:30:59,945 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:30:59,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 16 [2022-12-13 16:30:59,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158406521] [2022-12-13 16:30:59,945 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:30:59,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 16:30:59,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:30:59,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 16:30:59,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-12-13 16:30:59,947 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 16 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 4 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 16:31:00,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:31:00,184 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2022-12-13 16:31:00,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 16:31:00,184 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 4 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 30 [2022-12-13 16:31:00,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:31:00,186 INFO L225 Difference]: With dead ends: 47 [2022-12-13 16:31:00,186 INFO L226 Difference]: Without dead ends: 43 [2022-12-13 16:31:00,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2022-12-13 16:31:00,187 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 44 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:31:00,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 91 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 16:31:00,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-13 16:31:00,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2022-12-13 16:31:00,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 29 states have internal predecessors, (34), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 16:31:00,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2022-12-13 16:31:00,194 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 30 [2022-12-13 16:31:00,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:31:00,194 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2022-12-13 16:31:00,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 4 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 16:31:00,194 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2022-12-13 16:31:00,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 16:31:00,196 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:31:00,196 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:31:00,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 16:31:00,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:31:00,397 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:31:00,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:31:00,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1087866724, now seen corresponding path program 1 times [2022-12-13 16:31:00,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:31:00,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544707252] [2022-12-13 16:31:00,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:31:00,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:31:00,412 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 16:31:00,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2144934309] [2022-12-13 16:31:00,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:31:00,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:31:00,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:31:00,413 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:31:00,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 16:31:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:31:00,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-13 16:31:00,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:31:00,746 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 16:31:00,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:31:19,579 WARN L233 SmtUtils]: Spent 13.65s on a formula simplification. DAG size of input: 50 DAG size of output: 45 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:33:00,353 WARN L859 $PredicateComparison]: unable to prove that (and (not (= |c___VERIFIER_assert_#in~cond| 0)) (or (forall ((|v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| Int) (|aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63| Int) (|aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52| Int)) (let ((.cse16 (* 2 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|)) (.cse17 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63|)) (.cse14 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| 2)) (.cse15 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|))) (let ((.cse1 (+ .cse14 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| .cse15)) (.cse13 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| .cse17)) (.cse0 (+ .cse14 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74|)) (.cse3 (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 2)) (.cse4 (* (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 2)) (.cse5 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|)) (.cse6 (* 2 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (.cse7 (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) 4)) (.cse8 (* 2 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|))) (.cse9 (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) 4)) (.cse10 (* 2 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|))) (.cse11 (* (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 2)) (.cse12 (* 4 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (.cse2 (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4))) (or (<= 2 .cse0) (<= 2 .cse1) (not (= (+ .cse2 (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4)) (+ .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) (<= 2 .cse13) (< .cse1 0) (not (< (+ .cse14 (* 2 |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| .cse15) 0)) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74|) (< .cse13 0) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| 2) (< .cse0 0) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) (<= 2 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|)) (= .cse0 0) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| 2) (= (+ (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 4) (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 4) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4) .cse9 (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 4) .cse10 .cse11 (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4) .cse12) (+ (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 4) .cse2 (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| 4))) (<= 0 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| 2) .cse17)))))) (not (= |c___VERIFIER_assert_#in~cond| 1)))) is different from true [2022-12-13 16:35:02,519 WARN L233 SmtUtils]: Spent 14.03s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:35:56,979 WARN L859 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| Int) (|aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63| Int) (|aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52| Int)) (let ((.cse16 (* 2 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|)) (.cse17 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63|)) (.cse14 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| 2)) (.cse15 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|))) (let ((.cse1 (+ .cse14 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| .cse15)) (.cse13 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| .cse17)) (.cse0 (+ .cse14 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74|)) (.cse3 (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 2)) (.cse4 (* (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 2)) (.cse5 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|)) (.cse6 (* 2 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (.cse7 (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) 4)) (.cse8 (* 2 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|))) (.cse9 (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) 4)) (.cse10 (* 2 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|))) (.cse11 (* (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 2)) (.cse12 (* 4 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (.cse2 (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4))) (or (<= 2 .cse0) (<= 2 .cse1) (not (= (+ .cse2 (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4)) (+ .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) (<= 2 .cse13) (< .cse1 0) (not (< (+ .cse14 (* 2 |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| .cse15) 0)) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74|) (< .cse13 0) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| 2) (< .cse0 0) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) (<= 2 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|)) (= .cse0 0) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| 2) (= (+ (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 4) (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 4) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4) .cse9 (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 4) .cse10 .cse11 (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4) .cse12) (+ (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 4) .cse2 (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| 4))) (<= 0 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| 2) .cse17)))))) (not (= |c___VERIFIER_assert_#in~cond| 1))) is different from true [2022-12-13 16:36:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 1 not checked. [2022-12-13 16:36:10,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:36:10,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544707252] [2022-12-13 16:36:10,924 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 16:36:10,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144934309] [2022-12-13 16:36:10,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144934309] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:36:10,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:36:10,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 23 [2022-12-13 16:36:10,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437792880] [2022-12-13 16:36:10,924 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:36:10,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-12-13 16:36:10,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:36:10,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-12-13 16:36:10,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=351, Unknown=6, NotChecked=78, Total=506 [2022-12-13 16:36:10,926 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 23 states, 22 states have (on average 1.5) internal successors, (33), 18 states have internal predecessors, (33), 7 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2022-12-13 16:36:13,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2022-12-13 16:36:15,345 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse18 (= |c___VERIFIER_assert_#in~cond| 1))) (and (or (forall ((|v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| Int) (|aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63| Int) (|aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52| Int)) (let ((.cse16 (* 2 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|)) (.cse17 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63|)) (.cse14 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| 2)) (.cse15 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|))) (let ((.cse1 (+ .cse14 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| .cse15)) (.cse13 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| .cse17)) (.cse0 (+ .cse14 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74|)) (.cse3 (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 2)) (.cse4 (* (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 2)) (.cse5 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|)) (.cse6 (* 2 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (.cse7 (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) 4)) (.cse8 (* 2 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|))) (.cse9 (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) 4)) (.cse10 (* 2 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|))) (.cse11 (* (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 2)) (.cse12 (* 4 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (.cse2 (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4))) (or (<= 2 .cse0) (<= 2 .cse1) (not (= (+ .cse2 (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4)) (+ .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) (<= 2 .cse13) (< .cse1 0) (not (< (+ .cse14 (* 2 |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| .cse15) 0)) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74|) (< .cse13 0) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| 2) (< .cse0 0) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) (<= 2 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|)) (= .cse0 0) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| 2) (= (+ (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 4) (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 4) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4) .cse9 (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 4) .cse10 .cse11 (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4) .cse12) (+ (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 4) .cse2 (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| 4))) (<= 0 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| 2) .cse17)))))) (not .cse18)) .cse18)) is different from false [2022-12-13 16:36:17,353 WARN L837 $PredicateComparison]: unable to prove that (and (or (= c___VERIFIER_assert_~cond 0) (and (not (= |c___VERIFIER_assert_#in~cond| 0)) (or (forall ((|v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| Int) (|aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63| Int) (|aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52| Int)) (let ((.cse16 (* 2 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|)) (.cse17 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63|)) (.cse14 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| 2)) (.cse15 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|))) (let ((.cse1 (+ .cse14 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| .cse15)) (.cse13 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| .cse17)) (.cse0 (+ .cse14 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74|)) (.cse3 (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 2)) (.cse4 (* (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 2)) (.cse5 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|)) (.cse6 (* 2 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (.cse7 (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) 4)) (.cse8 (* 2 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|))) (.cse9 (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) 4)) (.cse10 (* 2 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|))) (.cse11 (* (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 2)) (.cse12 (* 4 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (.cse2 (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4))) (or (<= 2 .cse0) (<= 2 .cse1) (not (= (+ .cse2 (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4)) (+ .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) (<= 2 .cse13) (< .cse1 0) (not (< (+ .cse14 (* 2 |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| .cse15) 0)) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74|) (< .cse13 0) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| 2) (< .cse0 0) (> 0 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) (<= 2 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|)) (= .cse0 0) (>= |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| 2) (= (+ (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 4) (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 4) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4) .cse9 (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 4) .cse10 .cse11 (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4) .cse12) (+ (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 4) .cse2 (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| 4))) (<= 0 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| 2) .cse17)))))) (not (= |c___VERIFIER_assert_#in~cond| 1))))) (= |c___VERIFIER_assert_#in~cond| c___VERIFIER_assert_~cond) (= c___VERIFIER_assert_~cond 1)) is different from false [2022-12-13 16:36:41,683 WARN L233 SmtUtils]: Spent 24.21s on a formula simplification. DAG size of input: 65 DAG size of output: 48 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:36:43,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2022-12-13 16:36:45,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2022-12-13 16:36:49,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2022-12-13 16:36:51,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2022-12-13 16:36:55,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-13 16:36:58,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2022-12-13 16:37:44,403 WARN L233 SmtUtils]: Spent 40.09s on a formula simplification. DAG size of input: 97 DAG size of output: 92 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:38:34,784 WARN L233 SmtUtils]: Spent 46.25s on a formula simplification. DAG size of input: 98 DAG size of output: 94 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:38:45,991 WARN L233 SmtUtils]: Spent 10.97s on a formula simplification. DAG size of input: 60 DAG size of output: 52 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 16:38:48,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2022-12-13 16:38:49,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-13 16:38:51,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-13 16:38:53,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:38:53,042 INFO L93 Difference]: Finished difference Result 76 states and 98 transitions. [2022-12-13 16:38:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 16:38:53,043 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 1.5) internal successors, (33), 18 states have internal predecessors, (33), 7 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) Word has length 32 [2022-12-13 16:38:53,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:38:53,044 INFO L225 Difference]: With dead ends: 76 [2022-12-13 16:38:53,044 INFO L226 Difference]: Without dead ends: 74 [2022-12-13 16:38:53,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 180.8s TimeCoverageRelationStatistics Valid=143, Invalid=729, Unknown=14, NotChecked=236, Total=1122 [2022-12-13 16:38:53,045 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 42 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 36 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 138 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:38:53,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 157 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 423 Invalid, 9 Unknown, 138 Unchecked, 22.3s Time] [2022-12-13 16:38:53,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-13 16:38:53,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 68. [2022-12-13 16:38:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 48 states have (on average 1.3125) internal successors, (63), 52 states have internal predecessors, (63), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 16:38:53,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2022-12-13 16:38:53,066 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 32 [2022-12-13 16:38:53,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:38:53,066 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2022-12-13 16:38:53,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 1.5) internal successors, (33), 18 states have internal predecessors, (33), 7 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2022-12-13 16:38:53,066 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2022-12-13 16:38:53,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 16:38:53,067 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:38:53,068 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:38:53,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 16:38:53,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:38:53,269 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:38:53,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:38:53,271 INFO L85 PathProgramCache]: Analyzing trace with hash 669405486, now seen corresponding path program 1 times [2022-12-13 16:38:53,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:38:53,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992862669] [2022-12-13 16:38:53,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:38:53,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:38:53,315 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 16:38:53,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [214697893] [2022-12-13 16:38:53,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:38:53,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:38:53,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:38:53,318 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:38:53,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 16:38:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:38:53,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-13 16:38:53,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:38:53,867 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 16:38:53,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:38:54,225 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 16:38:54,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:38:54,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992862669] [2022-12-13 16:38:54,225 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 16:38:54,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214697893] [2022-12-13 16:38:54,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214697893] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:38:54,226 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:38:54,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 14 [2022-12-13 16:38:54,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337804911] [2022-12-13 16:38:54,226 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:38:54,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 16:38:54,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:38:54,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 16:38:54,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-12-13 16:38:54,228 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 13 states have internal predecessors, (36), 5 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 16:38:55,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:38:55,426 INFO L93 Difference]: Finished difference Result 128 states and 167 transitions. [2022-12-13 16:38:55,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 16:38:55,426 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 13 states have internal predecessors, (36), 5 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) Word has length 41 [2022-12-13 16:38:55,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:38:55,428 INFO L225 Difference]: With dead ends: 128 [2022-12-13 16:38:55,428 INFO L226 Difference]: Without dead ends: 86 [2022-12-13 16:38:55,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-12-13 16:38:55,430 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 33 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:38:55,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 145 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 16:38:55,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-12-13 16:38:55,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 74. [2022-12-13 16:38:55,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 56 states have internal predecessors, (72), 13 states have call successors, (13), 7 states have call predecessors, (13), 6 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 16:38:55,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 97 transitions. [2022-12-13 16:38:55,453 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 97 transitions. Word has length 41 [2022-12-13 16:38:55,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:38:55,454 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 97 transitions. [2022-12-13 16:38:55,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 13 states have internal predecessors, (36), 5 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 4 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 16:38:55,454 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2022-12-13 16:38:55,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 16:38:55,455 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:38:55,455 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:38:55,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-13 16:38:55,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:38:55,657 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:38:55,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:38:55,659 INFO L85 PathProgramCache]: Analyzing trace with hash 420635516, now seen corresponding path program 1 times [2022-12-13 16:38:55,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:38:55,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691631135] [2022-12-13 16:38:55,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:38:55,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:38:55,679 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 16:38:55,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1799455903] [2022-12-13 16:38:55,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:38:55,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:38:55,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:38:55,680 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:38:55,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 16:38:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:38:55,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 16:38:55,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:38:55,908 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 16:38:55,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:38:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 16:38:56,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:38:56,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691631135] [2022-12-13 16:38:56,227 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 16:38:56,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799455903] [2022-12-13 16:38:56,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799455903] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:38:56,227 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:38:56,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 11 [2022-12-13 16:38:56,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328100929] [2022-12-13 16:38:56,227 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:38:56,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 16:38:56,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:38:56,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 16:38:56,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-12-13 16:38:56,229 INFO L87 Difference]: Start difference. First operand 74 states and 97 transitions. Second operand has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 7 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) [2022-12-13 16:38:56,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:38:56,503 INFO L93 Difference]: Finished difference Result 87 states and 111 transitions. [2022-12-13 16:38:56,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 16:38:56,504 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 7 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) Word has length 43 [2022-12-13 16:38:56,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:38:56,505 INFO L225 Difference]: With dead ends: 87 [2022-12-13 16:38:56,505 INFO L226 Difference]: Without dead ends: 77 [2022-12-13 16:38:56,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 73 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-12-13 16:38:56,506 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 20 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:38:56,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 93 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 16:38:56,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-12-13 16:38:56,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-12-13 16:38:56,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 58 states have internal predecessors, (73), 14 states have call successors, (14), 7 states have call predecessors, (14), 6 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 16:38:56,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 100 transitions. [2022-12-13 16:38:56,536 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 100 transitions. Word has length 43 [2022-12-13 16:38:56,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:38:56,536 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 100 transitions. [2022-12-13 16:38:56,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 11 states have internal predecessors, (31), 7 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 6 states have call predecessors, (11), 7 states have call successors, (11) [2022-12-13 16:38:56,536 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2022-12-13 16:38:56,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 16:38:56,537 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:38:56,537 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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 16:38:56,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 16:38:56,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:38:56,739 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 16:38:56,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:38:56,740 INFO L85 PathProgramCache]: Analyzing trace with hash 97606081, now seen corresponding path program 1 times [2022-12-13 16:38:56,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:38:56,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100564710] [2022-12-13 16:38:56,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:38:56,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:38:56,768 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 16:38:56,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [817130285] [2022-12-13 16:38:56,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:38:56,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:38:56,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:38:56,772 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:38:56,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 16:38:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:38:56,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 16:38:56,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:38:57,096 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 16:38:57,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:38:57,248 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 16:38:57,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:38:57,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100564710] [2022-12-13 16:38:57,248 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 16:38:57,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817130285] [2022-12-13 16:38:57,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817130285] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 16:38:57,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:38:57,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-12-13 16:38:57,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959030898] [2022-12-13 16:38:57,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:38:57,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:38:57,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:38:57,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:38:57,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:38:57,250 INFO L87 Difference]: Start difference. First operand 77 states and 100 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 16:38:57,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:38:57,458 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2022-12-13 16:38:57,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:38:57,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2022-12-13 16:38:57,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:38:57,459 INFO L225 Difference]: With dead ends: 77 [2022-12-13 16:38:57,459 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 16:38:57,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-12-13 16:38:57,460 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 2 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:38:57,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 99 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 16:38:57,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 16:38:57,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 16:38:57,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:38:57,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 16:38:57,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2022-12-13 16:38:57,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:38:57,462 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:38:57,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 16:38:57,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 16:38:57,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 16:38:57,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 16:38:57,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 16:38:57,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-13 16:38:57,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 16:39:33,083 WARN L233 SmtUtils]: Spent 35.21s on a formula simplification. DAG size of input: 111 DAG size of output: 109 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 16:39:35,593 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 16:39:35,593 INFO L899 garLoopResultBuilder]: For program point L27(line 27) no Hoare annotation was computed. [2022-12-13 16:39:35,593 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-12-13 16:39:35,594 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 54) no Hoare annotation was computed. [2022-12-13 16:39:35,594 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 16:39:35,594 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 19 60) the Hoare annotation is: true [2022-12-13 16:39:35,594 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 54) no Hoare annotation was computed. [2022-12-13 16:39:35,594 INFO L895 garLoopResultBuilder]: At program point L34-2(lines 34 55) the Hoare annotation is: (let ((.cse0 (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|))) (let ((.cse1 (= |ULTIMATE.start_main_~q~0#1| .cse0)) (.cse2 (<= 1 |ULTIMATE.start_main_~y~0#1|))) (or (and (exists ((|ULTIMATE.start_main_~p~0#1| Int)) (and (<= 1 |ULTIMATE.start_main_~p~0#1|) (= (+ |ULTIMATE.start_main_~q~0#1| (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~p~0#1|)) .cse0))) .cse1 (<= 1 |ULTIMATE.start_main_~p~0#1|) .cse2 (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|)) (and .cse1 (<= 0 |ULTIMATE.start_main_~x~0#1|) .cse2 (<= |ULTIMATE.start_main_~x~0#1| 10) (<= 0 |ULTIMATE.start_main_~a~0#1|) (= (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|) 0))))) [2022-12-13 16:39:35,594 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 16:39:35,594 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 16:39:35,594 INFO L895 garLoopResultBuilder]: At program point L26(line 26) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 10)) [2022-12-13 16:39:35,595 INFO L895 garLoopResultBuilder]: At program point L26-1(line 26) the Hoare annotation is: (and (or (= (mod |ULTIMATE.start_main_~y~0#1| 2) 0) (= (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) (let ((.cse0 (div |ULTIMATE.start_main_~x~0#1| 2))) (+ (* 4 (* .cse0 (div |ULTIMATE.start_main_~y~0#1| 2))) (* .cse0 4)))) (<= 0 |ULTIMATE.start_main_~y~0#1|) (not (<= (mod |ULTIMATE.start_main_~x~0#1| 2) 0))) (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 10)) [2022-12-13 16:39:35,595 INFO L895 garLoopResultBuilder]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|))) (let ((.cse1 (= |ULTIMATE.start_main_~q~0#1| .cse0)) (.cse2 (<= 1 |ULTIMATE.start_main_~y~0#1|))) (or (and (exists ((|ULTIMATE.start_main_~p~0#1| Int)) (and (<= 1 |ULTIMATE.start_main_~p~0#1|) (= (+ |ULTIMATE.start_main_~q~0#1| (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~p~0#1|)) .cse0))) .cse1 (<= 1 |ULTIMATE.start_main_~p~0#1|) .cse2 (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|)) (and .cse1 (<= 0 |ULTIMATE.start_main_~x~0#1|) .cse2 (<= |ULTIMATE.start_main_~x~0#1| 10) (<= 0 |ULTIMATE.start_main_~a~0#1|) (= (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|) 0))))) [2022-12-13 16:39:35,595 INFO L902 garLoopResultBuilder]: At program point L24(line 24) the Hoare annotation is: true [2022-12-13 16:39:35,595 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2022-12-13 16:39:35,595 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 54) no Hoare annotation was computed. [2022-12-13 16:39:35,595 INFO L895 garLoopResultBuilder]: At program point L47-2(lines 34 55) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= 1 |ULTIMATE.start_main_~y~0#1|) (= (+ |ULTIMATE.start_main_~q~0#1| (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~p~0#1|)) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~x~0#1| 10) (<= 0 |ULTIMATE.start_main_~a~0#1|)) [2022-12-13 16:39:35,595 INFO L895 garLoopResultBuilder]: At program point L35(line 35) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= 1 |ULTIMATE.start_main_~y~0#1|) (= (+ |ULTIMATE.start_main_~q~0#1| (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~p~0#1|)) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~x~0#1| 10) (<= 0 |ULTIMATE.start_main_~a~0#1|)) [2022-12-13 16:39:35,595 INFO L899 garLoopResultBuilder]: For program point L35-1(lines 34 55) no Hoare annotation was computed. [2022-12-13 16:39:35,595 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2022-12-13 16:39:35,595 INFO L899 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2022-12-13 16:39:35,595 INFO L899 garLoopResultBuilder]: For program point L9-2(lines 8 10) no Hoare annotation was computed. [2022-12-13 16:39:35,595 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2022-12-13 16:39:35,596 INFO L899 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed. [2022-12-13 16:39:35,596 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2022-12-13 16:39:35,596 INFO L899 garLoopResultBuilder]: For program point L12-2(lines 11 17) no Hoare annotation was computed. [2022-12-13 16:39:35,596 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 11 17) no Hoare annotation was computed. [2022-12-13 16:39:35,597 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: (or (not (= |__VERIFIER_assert_#in~cond| 1)) (forall ((|v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| Int) (|aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63| Int) (|aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52| Int)) (let ((.cse16 (* 2 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|)) (.cse17 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63|)) (.cse14 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| 2)) (.cse15 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|))) (let ((.cse1 (+ .cse14 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| .cse15)) (.cse13 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| .cse17)) (.cse0 (+ .cse14 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74|)) (.cse3 (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 2)) (.cse4 (* (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 2)) (.cse5 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|)) (.cse6 (* 2 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (.cse7 (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) 4)) (.cse8 (* 2 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|))) (.cse9 (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) 4)) (.cse10 (* 2 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|))) (.cse11 (* (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 2)) (.cse12 (* 4 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (.cse2 (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4))) (or (<= 2 .cse0) (<= 2 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) (< |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| 0) (<= 2 .cse1) (not (= (+ .cse2 (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4)) (+ .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12))) (<= 2 .cse13) (< .cse1 0) (< |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| 0) (<= 2 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74|) (not (< (+ .cse14 (* 2 |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| .cse15) 0)) (< .cse13 0) (< .cse0 0) (<= 2 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|)) (= .cse0 0) (= (+ (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 4) (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 4) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4) .cse9 (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 4) .cse10 .cse11 (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4) .cse12) (+ (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 4) .cse2 (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| 4))) (<= 0 (+ .cse16 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| 2) .cse17)))))) (exists ((|v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| Int) (|aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| Int) (|aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63| Int) (|aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52| Int)) (let ((.cse34 (* 2 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|)) (.cse35 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63|)) (.cse32 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| 2)) (.cse33 (* 2 |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|))) (let ((.cse19 (+ .cse32 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| .cse33)) (.cse30 (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4)) (.cse20 (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 2)) (.cse21 (* (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 2)) (.cse22 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|)) (.cse23 (* 2 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (.cse24 (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) 4)) (.cse25 (* 2 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|))) (.cse26 (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|) 4)) (.cse27 (* 2 (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|))) (.cse28 (* (* |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 2)) (.cse29 (* 4 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (.cse18 (+ .cse32 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74|)) (.cse31 (+ .cse34 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| .cse35))) (and (not (< .cse18 0)) (not (< |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| 0)) (not (< .cse19 0)) (not (= (+ (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 4) (* (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 4) .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4) .cse26 (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63|) 4) .cse27 .cse28 (* (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4) .cse29) (+ (* (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) 4) .cse30 (* |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6| 4)))) (not (< .cse31 0)) (not (<= 2 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|)) (< (+ .cse32 (* 2 |aux_div_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52|) |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| .cse33) 0) (not (<= 2 .cse19)) (not (<= 2 (+ .cse34 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74|))) (= (+ .cse30 (* (* |aux_div_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63| |v_ULTIMATE.start_main_~p~0#1_BEFORE_CALL_6|) 4)) (+ .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29)) (not (<= 2 .cse18)) (not (<= 0 (+ .cse34 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52_63_74| (* |aux_div_v_ULTIMATE.start_main_~b~0#1_BEFORE_CALL_6_52| 2) .cse35))) (not (<= 2 |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74|)) (not (= .cse18 0)) (not (<= 2 .cse31)) (not (< |aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~a~0#1_BEFORE_CALL_5_52_63_74| 0))))))) [2022-12-13 16:39:35,597 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2022-12-13 16:39:35,599 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:39:35,601 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:39:35,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:39:35 BoogieIcfgContainer [2022-12-13 16:39:35,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:39:35,612 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:39:35,612 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:39:35,612 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:39:35,613 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:30:58" (3/4) ... [2022-12-13 16:39:35,615 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 16:39:35,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-13 16:39:35,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-13 16:39:35,624 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-13 16:39:35,624 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 16:39:35,624 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 16:39:35,624 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 16:39:35,650 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:39:35,650 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:39:35,651 INFO L158 Benchmark]: Toolchain (without parser) took 517857.79ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 72.1MB in the beginning and 75.9MB in the end (delta: -3.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-12-13 16:39:35,651 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:39:35,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.90ms. Allocated memory is still 113.2MB. Free memory was 71.8MB in the beginning and 61.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 16:39:35,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.66ms. Allocated memory is still 113.2MB. Free memory was 61.3MB in the beginning and 59.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:39:35,651 INFO L158 Benchmark]: Boogie Preprocessor took 20.80ms. Allocated memory is still 113.2MB. Free memory was 59.6MB in the beginning and 58.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:39:35,652 INFO L158 Benchmark]: RCFGBuilder took 234.45ms. Allocated memory is still 113.2MB. Free memory was 58.4MB in the beginning and 46.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 16:39:35,652 INFO L158 Benchmark]: TraceAbstraction took 517332.41ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 45.9MB in the beginning and 79.0MB in the end (delta: -33.1MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2022-12-13 16:39:35,652 INFO L158 Benchmark]: Witness Printer took 38.23ms. Allocated memory is still 144.7MB. Free memory was 79.0MB in the beginning and 75.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:39:35,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 195.90ms. Allocated memory is still 113.2MB. Free memory was 71.8MB in the beginning and 61.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.66ms. Allocated memory is still 113.2MB. Free memory was 61.3MB in the beginning and 59.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.80ms. Allocated memory is still 113.2MB. Free memory was 59.6MB in the beginning and 58.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 234.45ms. Allocated memory is still 113.2MB. Free memory was 58.4MB in the beginning and 46.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 517332.41ms. Allocated memory was 113.2MB in the beginning and 144.7MB in the end (delta: 31.5MB). Free memory was 45.9MB in the beginning and 79.0MB in the end (delta: -33.1MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * Witness Printer took 38.23ms. Allocated memory is still 144.7MB. Free memory was 79.0MB in the beginning and 75.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 517.3s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 164.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 37.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 182 SdHoareTripleChecker+Valid, 23.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 697 SdHoareTripleChecker+Invalid, 23.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 138 IncrementalHoareTripleChecker+Unchecked, 528 mSDsCounter, 92 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1234 IncrementalHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 92 mSolverCounterUnsat, 169 mSDtfsCounter, 1234 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 447 GetRequests, 347 SyntacticMatches, 2 SemanticMatches, 98 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 181.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=6, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 27 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 37 PreInvPairs, 62 NumberOfFragments, 792 HoareAnnotationTreeSize, 37 FomulaSimplifications, 795 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 10 FomulaSimplificationsInter, 4502 FormulaSimplificationTreeSizeReductionInter, 37.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 312.8s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 418 ConstructedInterpolants, 5 QuantifiedInterpolants, 3300 SizeOfPredicates, 26 NumberOfNonLiveVariables, 689 ConjunctsInSsa, 149 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 225/272 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((0 <= x && 1 <= y) && q + a * b * p == x * y) && x <= 10) && 0 <= a RESULT: Ultimate proved your program to be correct! [2022-12-13 16:39:35,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ebc4dcd-ad16-49e6-ab2d-27e1992aebd7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE