./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/nsqm.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/nsqm.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R --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 b64d5f0150faeb5d8c80a790953ff0d0f860fa8f91611b25d82154854354bbd0 --- 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-38b53e6 [2022-11-25 17:53:01,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:53:01,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:53:01,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:53:01,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:53:01,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:53:01,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:53:01,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:53:01,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:53:01,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:53:01,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:53:01,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:53:01,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:53:01,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:53:01,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:53:01,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:53:01,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:53:01,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:53:01,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:53:01,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:53:01,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:53:01,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:53:01,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:53:01,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:53:01,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:53:01,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:53:01,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:53:01,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:53:01,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:53:01,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:53:01,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:53:01,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:53:01,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:53:01,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:53:01,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:53:01,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:53:01,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:53:01,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:53:01,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:53:01,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:53:01,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:53:01,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 17:53:01,786 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:53:01,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:53:01,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:53:01,788 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:53:01,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:53:01,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:53:01,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:53:01,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:53:01,791 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:53:01,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:53:01,792 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:53:01,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:53:01,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:53:01,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:53:01,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:53:01,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:53:01,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:53:01,794 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:53:01,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:53:01,794 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:53:01,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:53:01,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:53:01,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:53:01,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:53:01,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:53:01,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:53:01,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:53:01,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:53:01,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:53:01,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:53:01,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:53:01,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:53:01,797 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:53:01,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:53:01,798 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_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b64d5f0150faeb5d8c80a790953ff0d0f860fa8f91611b25d82154854354bbd0 [2022-11-25 17:53:02,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:53:02,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:53:02,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:53:02,074 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:53:02,075 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:53:02,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/array-fpi/nsqm.c [2022-11-25 17:53:05,184 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:53:05,470 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:53:05,471 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/sv-benchmarks/c/array-fpi/nsqm.c [2022-11-25 17:53:05,477 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/data/01c503314/fbfd98bcb2e64a1bb6219257e2420714/FLAGe58cb68dd [2022-11-25 17:53:05,492 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/data/01c503314/fbfd98bcb2e64a1bb6219257e2420714 [2022-11-25 17:53:05,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:53:05,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:53:05,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:53:05,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:53:05,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:53:05,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:53:05" (1/1) ... [2022-11-25 17:53:05,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346578d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:05, skipping insertion in model container [2022-11-25 17:53:05,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:53:05" (1/1) ... [2022-11-25 17:53:05,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:53:05,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:53:05,705 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_d63647ed-a80a-467c-9177-58ea59925ca5/sv-benchmarks/c/array-fpi/nsqm.c[587,600] [2022-11-25 17:53:05,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:53:05,736 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:53:05,750 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_d63647ed-a80a-467c-9177-58ea59925ca5/sv-benchmarks/c/array-fpi/nsqm.c[587,600] [2022-11-25 17:53:05,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:53:05,773 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:53:05,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:05 WrapperNode [2022-11-25 17:53:05,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:53:05,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:53:05,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:53:05,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:53:05,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:05" (1/1) ... [2022-11-25 17:53:05,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:05" (1/1) ... [2022-11-25 17:53:05,813 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2022-11-25 17:53:05,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:53:05,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:53:05,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:53:05,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:53:05,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:05" (1/1) ... [2022-11-25 17:53:05,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:05" (1/1) ... [2022-11-25 17:53:05,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:05" (1/1) ... [2022-11-25 17:53:05,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:05" (1/1) ... [2022-11-25 17:53:05,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:05" (1/1) ... [2022-11-25 17:53:05,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:05" (1/1) ... [2022-11-25 17:53:05,842 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:05" (1/1) ... [2022-11-25 17:53:05,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:05" (1/1) ... [2022-11-25 17:53:05,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:53:05,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:53:05,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:53:05,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:53:05,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:05" (1/1) ... [2022-11-25 17:53:05,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:53:05,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:05,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:53:05,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:53:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:53:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:53:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:53:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:53:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:53:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:53:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:53:06,011 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:53:06,013 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:53:06,188 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:53:06,195 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:53:06,195 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 17:53:06,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:06 BoogieIcfgContainer [2022-11-25 17:53:06,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:53:06,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:53:06,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:53:06,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:53:06,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:53:05" (1/3) ... [2022-11-25 17:53:06,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28832fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:53:06, skipping insertion in model container [2022-11-25 17:53:06,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:05" (2/3) ... [2022-11-25 17:53:06,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28832fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:53:06, skipping insertion in model container [2022-11-25 17:53:06,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:06" (3/3) ... [2022-11-25 17:53:06,208 INFO L112 eAbstractionObserver]: Analyzing ICFG nsqm.c [2022-11-25 17:53:06,232 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:53:06,242 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:53:06,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:53:06,319 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;@5afeff26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:53:06,325 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:53:06,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:06,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:53:06,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:06,337 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:06,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:06,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:06,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1828546148, now seen corresponding path program 1 times [2022-11-25 17:53:06,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:06,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383942330] [2022-11-25 17:53:06,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:06,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:06,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:06,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383942330] [2022-11-25 17:53:06,510 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 17:53:06,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199991709] [2022-11-25 17:53:06,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:06,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:06,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:06,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:06,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:53:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:06,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 17:53:06,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:06,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:06,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:53:06,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199991709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:53:06,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:53:06,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:53:06,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569127247] [2022-11-25 17:53:06,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:53:06,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 17:53:06,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:06,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:53:06,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:53:06,727 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-11-25 17:53:06,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:06,744 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2022-11-25 17:53:06,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:53:06,747 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-25 17:53:06,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:06,761 INFO L225 Difference]: With dead ends: 38 [2022-11-25 17:53:06,761 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 17:53:06,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:53:06,768 INFO L413 NwaCegarLoop]: 24 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, 24 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 [2022-11-25 17:53:06,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:53:06,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 17:53:06,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-25 17:53:06,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 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) [2022-11-25 17:53:06,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-25 17:53:06,795 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 12 [2022-11-25 17:53:06,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:06,796 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-25 17:53:06,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-11-25 17:53:06,796 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-25 17:53:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:53:06,797 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:06,797 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:06,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 17:53:07,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-25 17:53:07,003 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:07,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:07,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1148487778, now seen corresponding path program 1 times [2022-11-25 17:53:07,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:07,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080129215] [2022-11-25 17:53:07,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:07,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:07,051 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:53:07,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1452546292] [2022-11-25 17:53:07,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:07,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:07,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:07,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:07,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 17:53:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:07,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-25 17:53:07,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:07,292 INFO L321 Elim1Store]: treesize reduction 30, result has 38.8 percent of original size [2022-11-25 17:53:07,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 78 [2022-11-25 17:53:07,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-25 17:53:07,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-25 17:53:07,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 13 [2022-11-25 17:53:07,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-25 17:53:07,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:07,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:53:07,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:07,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080129215] [2022-11-25 17:53:07,519 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:53:07,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452546292] [2022-11-25 17:53:07,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452546292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:53:07,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:53:07,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:53:07,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236028662] [2022-11-25 17:53:07,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:53:07,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:53:07,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:07,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:53:07,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:53:07,551 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-25 17:53:07,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:07,728 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2022-11-25 17:53:07,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:53:07,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-25 17:53:07,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:07,732 INFO L225 Difference]: With dead ends: 34 [2022-11-25 17:53:07,732 INFO L226 Difference]: Without dead ends: 32 [2022-11-25 17:53:07,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:53:07,736 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 14 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:07,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 48 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:53:07,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-25 17:53:07,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2022-11-25 17:53:07,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 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) [2022-11-25 17:53:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-11-25 17:53:07,748 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2022-11-25 17:53:07,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:07,749 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-11-25 17:53:07,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-25 17:53:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-25 17:53:07,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:53:07,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:07,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:07,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:53:07,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:07,956 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:07,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:07,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1755224028, now seen corresponding path program 1 times [2022-11-25 17:53:07,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:07,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279927463] [2022-11-25 17:53:07,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:07,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:07,992 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:53:07,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2057867632] [2022-11-25 17:53:07,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:07,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:07,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:07,994 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:08,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 17:53:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:08,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 17:53:08,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:08,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:08,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:53:08,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:08,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279927463] [2022-11-25 17:53:08,135 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:53:08,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057867632] [2022-11-25 17:53:08,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057867632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:53:08,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:53:08,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:53:08,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824212545] [2022-11-25 17:53:08,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:53:08,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:53:08,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:08,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:53:08,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:53:08,140 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:08,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:08,241 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2022-11-25 17:53:08,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:53:08,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-25 17:53:08,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:08,247 INFO L225 Difference]: With dead ends: 49 [2022-11-25 17:53:08,247 INFO L226 Difference]: Without dead ends: 40 [2022-11-25 17:53:08,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:53:08,256 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 26 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:08,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 29 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:53:08,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-25 17:53:08,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 23. [2022-11-25 17:53:08,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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) [2022-11-25 17:53:08,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-11-25 17:53:08,268 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 14 [2022-11-25 17:53:08,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:08,269 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-11-25 17:53:08,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-25 17:53:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:53:08,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:08,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:08,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:53:08,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:08,476 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:08,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:08,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1842440164, now seen corresponding path program 1 times [2022-11-25 17:53:08,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:08,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137219785] [2022-11-25 17:53:08,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:08,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:08,540 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:53:08,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1394633987] [2022-11-25 17:53:08,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:08,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:08,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:08,551 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:08,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 17:53:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:08,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 17:53:08,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:08,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:08,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:53:08,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:08,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:08,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137219785] [2022-11-25 17:53:08,692 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:53:08,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394633987] [2022-11-25 17:53:08,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394633987] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:53:08,692 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:53:08,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2022-11-25 17:53:08,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946429083] [2022-11-25 17:53:08,693 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:53:08,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:53:08,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:08,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:53:08,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:53:08,695 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2022-11-25 17:53:08,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:08,790 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2022-11-25 17:53:08,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 17:53:08,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-25 17:53:08,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:08,792 INFO L225 Difference]: With dead ends: 44 [2022-11-25 17:53:08,792 INFO L226 Difference]: Without dead ends: 37 [2022-11-25 17:53:08,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:53:08,793 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 34 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:08,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 41 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:53:08,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-25 17:53:08,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 24. [2022-11-25 17:53:08,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 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) [2022-11-25 17:53:08,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2022-11-25 17:53:08,799 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 14 [2022-11-25 17:53:08,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:08,800 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2022-11-25 17:53:08,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2022-11-25 17:53:08,800 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-25 17:53:08,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 17:53:08,801 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:08,801 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:08,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:53:09,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:09,012 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:09,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:09,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1667884396, now seen corresponding path program 1 times [2022-11-25 17:53:09,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:09,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247620781] [2022-11-25 17:53:09,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:09,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:09,031 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:53:09,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [331160144] [2022-11-25 17:53:09,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:09,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:09,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:09,033 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:09,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 17:53:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:09,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 17:53:09,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:09,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:53:09,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:09,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247620781] [2022-11-25 17:53:09,188 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:53:09,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331160144] [2022-11-25 17:53:09,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331160144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:53:09,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:53:09,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:53:09,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58133119] [2022-11-25 17:53:09,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:53:09,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:53:09,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:09,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:53:09,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:53:09,190 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2022-11-25 17:53:09,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:09,282 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2022-11-25 17:53:09,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:53:09,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-25 17:53:09,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:09,284 INFO L225 Difference]: With dead ends: 41 [2022-11-25 17:53:09,284 INFO L226 Difference]: Without dead ends: 27 [2022-11-25 17:53:09,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:53:09,286 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 14 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:09,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 27 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:53:09,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-25 17:53:09,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2022-11-25 17:53:09,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 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) [2022-11-25 17:53:09,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-25 17:53:09,292 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 16 [2022-11-25 17:53:09,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:09,293 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-25 17:53:09,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2022-11-25 17:53:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-25 17:53:09,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 17:53:09,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:09,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:09,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:53:09,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:09,510 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:09,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:09,511 INFO L85 PathProgramCache]: Analyzing trace with hash 586911962, now seen corresponding path program 1 times [2022-11-25 17:53:09,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:09,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618053834] [2022-11-25 17:53:09,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:09,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:09,534 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:53:09,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1779033847] [2022-11-25 17:53:09,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:09,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:09,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:09,536 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:09,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 17:53:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:09,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-25 17:53:09,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:09,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-25 17:53:09,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:09,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2022-11-25 17:53:09,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-25 17:53:09,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-25 17:53:09,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:09,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-25 17:53:09,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:09,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:53:10,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:10,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:10,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618053834] [2022-11-25 17:53:10,211 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:53:10,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779033847] [2022-11-25 17:53:10,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779033847] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:53:10,211 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:53:10,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-25 17:53:10,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90184553] [2022-11-25 17:53:10,211 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:53:10,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:53:10,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:10,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:53:10,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=94, Unknown=5, NotChecked=0, Total=132 [2022-11-25 17:53:10,213 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 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) [2022-11-25 17:53:10,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:10,769 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2022-11-25 17:53:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:53:10,770 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-25 17:53:10,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:10,771 INFO L225 Difference]: With dead ends: 54 [2022-11-25 17:53:10,771 INFO L226 Difference]: Without dead ends: 52 [2022-11-25 17:53:10,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=261, Unknown=5, NotChecked=0, Total=380 [2022-11-25 17:53:10,772 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 127 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:10,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 55 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 17:53:10,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-25 17:53:10,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 26. [2022-11-25 17:53:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 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) [2022-11-25 17:53:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2022-11-25 17:53:10,778 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 16 [2022-11-25 17:53:10,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:10,778 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2022-11-25 17:53:10,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 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) [2022-11-25 17:53:10,783 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-11-25 17:53:10,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 17:53:10,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:10,784 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:10,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 17:53:10,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 17:53:10,991 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:10,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:10,991 INFO L85 PathProgramCache]: Analyzing trace with hash 798963152, now seen corresponding path program 1 times [2022-11-25 17:53:10,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:10,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731998061] [2022-11-25 17:53:10,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:10,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:11,020 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:53:11,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1464715214] [2022-11-25 17:53:11,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:11,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:11,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:11,022 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:11,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 17:53:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:11,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-25 17:53:11,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:11,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-25 17:53:11,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:11,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2022-11-25 17:53:11,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-11-25 17:53:11,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-25 17:53:11,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-25 17:53:11,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:11,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-25 17:53:11,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:11,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2022-11-25 17:53:11,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:11,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:53:12,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:12,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:12,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731998061] [2022-11-25 17:53:12,488 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:53:12,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464715214] [2022-11-25 17:53:12,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464715214] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:53:12,489 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:53:12,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2022-11-25 17:53:12,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452497593] [2022-11-25 17:53:12,489 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:53:12,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-25 17:53:12,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:12,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-25 17:53:12,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2022-11-25 17:53:12,491 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:15,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:15,996 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2022-11-25 17:53:15,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-25 17:53:15,997 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-25 17:53:15,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:15,998 INFO L225 Difference]: With dead ends: 82 [2022-11-25 17:53:15,998 INFO L226 Difference]: Without dead ends: 80 [2022-11-25 17:53:15,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=291, Invalid=1041, Unknown=0, NotChecked=0, Total=1332 [2022-11-25 17:53:15,999 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 114 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:16,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 107 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 17:53:16,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-25 17:53:16,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 46. [2022-11-25 17:53:16,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 45 states have internal predecessors, (56), 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) [2022-11-25 17:53:16,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2022-11-25 17:53:16,012 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 20 [2022-11-25 17:53:16,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:16,012 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2022-11-25 17:53:16,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:16,013 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-11-25 17:53:16,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 17:53:16,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:16,013 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:16,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 17:53:16,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-25 17:53:16,224 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:16,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:16,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1334592554, now seen corresponding path program 2 times [2022-11-25 17:53:16,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:16,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344736115] [2022-11-25 17:53:16,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:16,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:16,275 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:53:16,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [47182706] [2022-11-25 17:53:16,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 17:53:16,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:16,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:16,290 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:16,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 17:53:16,376 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 17:53:16,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:53:16,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 17:53:16,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:16,429 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:53:16,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:53:16,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:53:16,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:16,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344736115] [2022-11-25 17:53:16,471 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:53:16,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47182706] [2022-11-25 17:53:16,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47182706] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:53:16,472 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:53:16,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-25 17:53:16,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73665991] [2022-11-25 17:53:16,472 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:53:16,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:53:16,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:16,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:53:16,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:53:16,474 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:16,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:16,634 INFO L93 Difference]: Finished difference Result 103 states and 118 transitions. [2022-11-25 17:53:16,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 17:53:16,635 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-25 17:53:16,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:16,635 INFO L225 Difference]: With dead ends: 103 [2022-11-25 17:53:16,636 INFO L226 Difference]: Without dead ends: 80 [2022-11-25 17:53:16,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-25 17:53:16,637 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 31 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:16,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 56 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:53:16,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-25 17:53:16,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 50. [2022-11-25 17:53:16,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 49 states have internal predecessors, (60), 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) [2022-11-25 17:53:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2022-11-25 17:53:16,649 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 20 [2022-11-25 17:53:16,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:16,650 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2022-11-25 17:53:16,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:16,650 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-11-25 17:53:16,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 17:53:16,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:16,651 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:16,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-25 17:53:16,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:16,857 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:16,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:16,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1146782124, now seen corresponding path program 3 times [2022-11-25 17:53:16,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:16,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741401279] [2022-11-25 17:53:16,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:16,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:16,893 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:53:16,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1378125742] [2022-11-25 17:53:16,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 17:53:16,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:16,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:16,895 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:16,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 17:53:17,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-25 17:53:17,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:53:17,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 17:53:17,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:17,243 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:17,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:53:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:17,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:17,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741401279] [2022-11-25 17:53:17,305 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:53:17,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378125742] [2022-11-25 17:53:17,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378125742] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:53:17,305 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:53:17,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2022-11-25 17:53:17,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34802202] [2022-11-25 17:53:17,305 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:53:17,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:53:17,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:17,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:53:17,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:53:17,307 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 12 states have internal predecessors, (28), 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) [2022-11-25 17:53:17,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:17,629 INFO L93 Difference]: Finished difference Result 113 states and 124 transitions. [2022-11-25 17:53:17,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 17:53:17,629 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 12 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-25 17:53:17,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:17,630 INFO L225 Difference]: With dead ends: 113 [2022-11-25 17:53:17,630 INFO L226 Difference]: Without dead ends: 81 [2022-11-25 17:53:17,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 28 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=389, Unknown=0, NotChecked=0, Total=552 [2022-11-25 17:53:17,631 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 82 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:17,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 86 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 17:53:17,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-25 17:53:17,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 48. [2022-11-25 17:53:17,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 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) [2022-11-25 17:53:17,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2022-11-25 17:53:17,644 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 22 [2022-11-25 17:53:17,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:17,644 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2022-11-25 17:53:17,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 12 states have internal predecessors, (28), 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) [2022-11-25 17:53:17,644 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2022-11-25 17:53:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 17:53:17,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:17,645 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:17,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 17:53:17,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-25 17:53:17,851 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:17,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:17,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1083970380, now seen corresponding path program 2 times [2022-11-25 17:53:17,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:17,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235681723] [2022-11-25 17:53:17,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:17,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:17,882 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:53:17,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212132100] [2022-11-25 17:53:17,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 17:53:17,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:17,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:17,894 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:17,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 17:53:17,988 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 17:53:17,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:53:17,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 17:53:17,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:53:18,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:53:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:53:18,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:18,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235681723] [2022-11-25 17:53:18,097 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:53:18,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212132100] [2022-11-25 17:53:18,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212132100] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:53:18,097 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:53:18,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-25 17:53:18,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409673266] [2022-11-25 17:53:18,098 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:53:18,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:53:18,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:18,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:53:18,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:53:18,115 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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) [2022-11-25 17:53:18,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:18,274 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2022-11-25 17:53:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 17:53:18,274 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-25 17:53:18,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:18,275 INFO L225 Difference]: With dead ends: 64 [2022-11-25 17:53:18,275 INFO L226 Difference]: Without dead ends: 55 [2022-11-25 17:53:18,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:53:18,276 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 43 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:18,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 39 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:53:18,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-25 17:53:18,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 41. [2022-11-25 17:53:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 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) [2022-11-25 17:53:18,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2022-11-25 17:53:18,285 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 24 [2022-11-25 17:53:18,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:18,286 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2022-11-25 17:53:18,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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) [2022-11-25 17:53:18,286 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-11-25 17:53:18,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 17:53:18,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:18,287 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:18,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-25 17:53:18,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:18,493 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:18,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:18,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1049585326, now seen corresponding path program 4 times [2022-11-25 17:53:18,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:18,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060315277] [2022-11-25 17:53:18,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:18,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:18,520 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:53:18,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [394969991] [2022-11-25 17:53:18,521 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 17:53:18,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:18,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:18,522 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:18,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-25 17:53:18,998 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 17:53:18,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:53:19,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-25 17:53:19,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:19,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-25 17:53:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:19,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2022-11-25 17:53:19,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-25 17:53:19,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-25 17:53:19,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-25 17:53:19,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-25 17:53:19,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 52 [2022-11-25 17:53:19,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:19,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:19,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 102 [2022-11-25 17:53:19,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 52 [2022-11-25 17:53:19,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:19,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:19,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 102 [2022-11-25 17:53:19,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:19,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-25 17:53:19,347 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:19,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:53:20,166 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:53:20,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:20,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060315277] [2022-11-25 17:53:20,167 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:53:20,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394969991] [2022-11-25 17:53:20,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394969991] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:53:20,167 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:53:20,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2022-11-25 17:53:20,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905990687] [2022-11-25 17:53:20,168 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:53:20,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-25 17:53:20,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:20,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-25 17:53:20,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=277, Unknown=3, NotChecked=0, Total=380 [2022-11-25 17:53:20,169 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 20 states, 20 states have (on average 2.05) internal successors, (41), 20 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:21,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:21,490 INFO L93 Difference]: Finished difference Result 114 states and 125 transitions. [2022-11-25 17:53:21,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-25 17:53:21,491 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.05) internal successors, (41), 20 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-25 17:53:21,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:21,493 INFO L225 Difference]: With dead ends: 114 [2022-11-25 17:53:21,493 INFO L226 Difference]: Without dead ends: 112 [2022-11-25 17:53:21,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=310, Invalid=809, Unknown=3, NotChecked=0, Total=1122 [2022-11-25 17:53:21,495 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 265 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:21,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 130 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 17:53:21,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-11-25 17:53:21,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 49. [2022-11-25 17:53:21,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.1875) internal successors, (57), 48 states have internal predecessors, (57), 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) [2022-11-25 17:53:21,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2022-11-25 17:53:21,510 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 24 [2022-11-25 17:53:21,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:21,510 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2022-11-25 17:53:21,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.05) internal successors, (41), 20 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:21,511 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2022-11-25 17:53:21,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 17:53:21,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:21,511 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:21,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-11-25 17:53:21,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:21,718 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:21,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:21,718 INFO L85 PathProgramCache]: Analyzing trace with hash 149788298, now seen corresponding path program 3 times [2022-11-25 17:53:21,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:21,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116483335] [2022-11-25 17:53:21,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:21,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:21,737 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:53:21,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [380128884] [2022-11-25 17:53:21,738 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 17:53:21,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:21,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:21,739 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:21,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-25 17:53:21,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-25 17:53:21,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:53:21,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 17:53:21,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:53:22,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:53:22,104 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:53:22,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:22,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116483335] [2022-11-25 17:53:22,105 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:53:22,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380128884] [2022-11-25 17:53:22,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380128884] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:53:22,105 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:53:22,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2022-11-25 17:53:22,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154529257] [2022-11-25 17:53:22,105 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:53:22,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:53:22,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:22,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:53:22,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:53:22,107 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:22,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:22,353 INFO L93 Difference]: Finished difference Result 84 states and 92 transitions. [2022-11-25 17:53:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 17:53:22,353 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-25 17:53:22,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:22,354 INFO L225 Difference]: With dead ends: 84 [2022-11-25 17:53:22,354 INFO L226 Difference]: Without dead ends: 75 [2022-11-25 17:53:22,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2022-11-25 17:53:22,355 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 63 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:22,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 78 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 17:53:22,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-25 17:53:22,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 49. [2022-11-25 17:53:22,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.1666666666666667) internal successors, (56), 48 states have internal predecessors, (56), 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) [2022-11-25 17:53:22,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2022-11-25 17:53:22,367 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 26 [2022-11-25 17:53:22,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:22,367 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2022-11-25 17:53:22,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:22,368 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2022-11-25 17:53:22,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 17:53:22,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:22,369 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:22,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-25 17:53:22,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-25 17:53:22,575 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:53:22,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:22,575 INFO L85 PathProgramCache]: Analyzing trace with hash -55017726, now seen corresponding path program 4 times [2022-11-25 17:53:22,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:22,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982389021] [2022-11-25 17:53:22,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:22,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:22,601 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:53:22,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [745449514] [2022-11-25 17:53:22,602 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 17:53:22,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:53:22,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:22,603 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:53:22,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-25 17:53:22,901 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 17:53:22,901 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:53:22,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-25 17:53:22,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:22,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-25 17:53:22,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:22,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2022-11-25 17:53:22,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-11-25 17:53:22,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-25 17:53:22,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-25 17:53:22,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 111 [2022-11-25 17:53:23,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:23,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 172 [2022-11-25 17:53:23,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 88 [2022-11-25 17:53:23,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 46 [2022-11-25 17:53:23,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 165 [2022-11-25 17:53:23,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:23,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 201 [2022-11-25 17:53:23,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 62 [2022-11-25 17:53:23,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:53:23,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:53:23,520 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 17:53:23,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 62 [2022-11-25 17:53:24,004 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-25 17:53:24,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 106 treesize of output 50 [2022-11-25 17:53:24,024 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:24,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:53:35,804 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:35,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:35,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982389021] [2022-11-25 17:53:35,804 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:53:35,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745449514] [2022-11-25 17:53:35,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745449514] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:53:35,805 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:53:35,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 25 [2022-11-25 17:53:35,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356351365] [2022-11-25 17:53:35,806 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:53:35,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-25 17:53:35,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:35,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-25 17:53:35,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=502, Unknown=0, NotChecked=0, Total=600 [2022-11-25 17:53:35,807 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand has 25 states, 25 states have (on average 2.04) internal successors, (51), 25 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:53:57,280 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse78 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse76 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse62 (* 8 .cse76)) (.cse75 (* .cse78 8)) (.cse77 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse15 (<= .cse77 2147483647)) (.cse6 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse49 (+ .cse75 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse44 (select .cse8 (+ .cse62 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse68 (select .cse12 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse62))) (.cse0 (<= .cse78 2147483647)) (.cse74 (* .cse77 8)) (.cse3 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse14 (select .cse12 .cse3)) (.cse11 (select .cse12 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse22 (<= .cse76 2147483647)) (.cse9 (+ .cse75 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse21 (+ .cse74 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse29 (not .cse0)) (.cse45 (+ c_~N~0 9)) (.cse48 (+ .cse74 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse46 (store .cse12 .cse49 (+ 2 .cse44 .cse68))) (.cse43 (+ .cse75 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse47 (select .cse8 .cse6)) (.cse42 (not .cse15)) (.cse10 (+ c_~N~0 5)) (.cse41 (+ .cse74 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or .cse0 (forall ((v_ArrVal_470 Int)) (= (let ((.cse7 (store .cse8 .cse9 v_ArrVal_470))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse7))) (let ((.cse2 (select .cse1 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse4 (select .cse7 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse5 (select .cse2 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ (select (select (store .cse1 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse2 .cse3 (+ 2 .cse4 .cse5))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse4 .cse5))))) .cse10))) (= (+ c_~N~0 1) .cse11) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (= (+ (select .cse12 .cse13) .cse11) (+ (* .cse14 2) 2)) (or .cse15 (forall ((v_ArrVal_470 Int)) (= .cse10 (let ((.cse20 (store .cse8 .cse21 v_ArrVal_470))) (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse20))) (let ((.cse17 (select .cse16 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse18 (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse19 (select .cse20 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ (select (select (store .cse16 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse17 .cse3 (+ .cse18 .cse19 2))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse18 .cse19)))))))) (or (not .cse22) (let ((.cse28 (+ 2 .cse44))) (and (or .cse0 (forall ((v_ArrVal_470 Int)) (= .cse10 (let ((.cse27 (store (store .cse8 .cse9 .cse28) .cse21 v_ArrVal_470))) (let ((.cse24 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse27))) (let ((.cse25 (select .cse24 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse23 (select .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse26 (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ .cse23 (select (select (store .cse24 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse25 .cse3 (+ .cse23 2 .cse26))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse26)))))))) (or .cse29 (let ((.cse35 (store .cse8 .cse43 .cse28))) (and (or .cse15 (forall ((v_ArrVal_470 Int)) (= .cse10 (let ((.cse34 (store .cse35 .cse21 v_ArrVal_470))) (let ((.cse31 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse34))) (let ((.cse32 (select .cse31 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse30 (select .cse32 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse33 (select .cse34 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse30 (select (select (store .cse31 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse32 .cse3 (+ .cse30 2 .cse33))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse33)))))))) (or (forall ((v_ArrVal_470 Int)) (= (let ((.cse40 (store .cse35 .cse41 v_ArrVal_470))) (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse40))) (let ((.cse37 (select .cse36 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse38 (select .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse39 (select .cse37 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ (select (select (store .cse36 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse37 .cse3 (+ .cse38 2 .cse39))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse38 .cse39))))) .cse10)) .cse42))))))) (= .cse45 (select .cse46 .cse13)) (= .cse47 (+ 2 (select .cse8 |c_ULTIMATE.start_main_~b~0#1.offset|))) (= .cse14 (+ 3 .cse11)) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= .cse45 (select (store .cse12 .cse48 (+ 2 (select .cse8 .cse43) (select .cse12 .cse49))) .cse13)) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int)) (let ((.cse50 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (and (= (+ (select .cse50 8) .cse11) .cse14) (= .cse14 (+ 2 (select .cse50 0) .cse11))))) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (or .cse22 (let ((.cse56 (+ (select .cse8 (+ (- 34359738368) .cse62 |c_ULTIMATE.start_main_~b~0#1.offset|)) 2))) (and (or (and (forall ((v_ArrVal_470 Int)) (= .cse10 (let ((.cse55 (store (store .cse8 .cse9 .cse56) .cse21 v_ArrVal_470))) (let ((.cse52 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse55))) (let ((.cse53 (select .cse52 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse51 (select .cse53 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse54 (select .cse55 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse51 (select (select (store .cse52 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse53 .cse3 (+ .cse51 .cse54 2))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse54))))))) .cse42) .cse0) (or .cse29 (forall ((v_ArrVal_470 Int)) (= .cse10 (let ((.cse61 (store (store .cse8 .cse43 .cse56) .cse41 v_ArrVal_470))) (let ((.cse59 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse61))) (let ((.cse60 (select .cse59 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse57 (select .cse60 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse58 (select .cse61 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse57 .cse58 (select (select (store .cse59 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse60 .cse3 (+ .cse57 2 .cse58))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6)))))))))))) (or .cse29 (forall ((v_ArrVal_470 Int)) (= .cse10 (let ((.cse67 (store .cse8 .cse43 v_ArrVal_470))) (let ((.cse64 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse67))) (let ((.cse65 (select .cse64 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse63 (select .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse66 (select .cse65 |c_ULTIMATE.start_main_~a~0#1.offset|))) (+ .cse63 (select (select (store .cse64 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse65 .cse3 (+ .cse63 2 .cse66))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6) .cse66)))))))) (= .cse45 (select (store .cse46 .cse48 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse46) |c_ULTIMATE.start_main_~b~0#1.base|) .cse43) .cse44 4 .cse68)) .cse13)) (= 3 .cse47) (or .cse42 (forall ((v_ArrVal_470 Int)) (= .cse10 (let ((.cse73 (store .cse8 .cse41 v_ArrVal_470))) (let ((.cse71 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse73))) (let ((.cse72 (select .cse71 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse69 (select .cse72 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse70 (select .cse73 |c_ULTIMATE.start_main_~b~0#1.offset|))) (+ .cse69 .cse70 (select (select (store .cse71 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse72 .cse3 (+ .cse69 2 .cse70))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse6)))))))))))))) is different from true [2022-11-25 17:53:59,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2022-11-25 17:54:07,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:54:07,036 INFO L93 Difference]: Finished difference Result 111 states and 126 transitions. [2022-11-25 17:54:07,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-25 17:54:07,036 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.04) internal successors, (51), 25 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-25 17:54:07,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:54:07,037 INFO L225 Difference]: With dead ends: 111 [2022-11-25 17:54:07,037 INFO L226 Difference]: Without dead ends: 109 [2022-11-25 17:54:07,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 31.6s TimeCoverageRelationStatistics Valid=364, Invalid=1618, Unknown=2, NotChecked=86, Total=2070 [2022-11-25 17:54:07,039 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 122 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:54:07,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 168 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 386 Invalid, 1 Unknown, 17 Unchecked, 10.7s Time] [2022-11-25 17:54:07,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-25 17:54:07,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 78. [2022-11-25 17:54:07,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 77 states have internal predecessors, (92), 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) [2022-11-25 17:54:07,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 92 transitions. [2022-11-25 17:54:07,070 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 92 transitions. Word has length 28 [2022-11-25 17:54:07,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:54:07,070 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 92 transitions. [2022-11-25 17:54:07,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.04) internal successors, (51), 25 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:54:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 92 transitions. [2022-11-25 17:54:07,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 17:54:07,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:54:07,072 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:54:07,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-11-25 17:54:07,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 17:54:07,277 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:54:07,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:54:07,278 INFO L85 PathProgramCache]: Analyzing trace with hash -412561416, now seen corresponding path program 5 times [2022-11-25 17:54:07,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:54:07,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030574304] [2022-11-25 17:54:07,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:54:07,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:54:07,290 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:54:07,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2073592380] [2022-11-25 17:54:07,291 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-25 17:54:07,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:54:07,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:54:07,292 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:54:07,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-25 17:54:08,301 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-11-25 17:54:08,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:54:08,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 17:54:08,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:54:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:54:08,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:54:08,528 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:54:08,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:54:08,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030574304] [2022-11-25 17:54:08,529 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:54:08,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073592380] [2022-11-25 17:54:08,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073592380] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:54:08,529 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:54:08,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2022-11-25 17:54:08,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850443018] [2022-11-25 17:54:08,529 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:54:08,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-25 17:54:08,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:54:08,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 17:54:08,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-11-25 17:54:08,531 INFO L87 Difference]: Start difference. First operand 78 states and 92 transitions. Second operand has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 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) [2022-11-25 17:54:08,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:54:08,810 INFO L93 Difference]: Finished difference Result 118 states and 132 transitions. [2022-11-25 17:54:08,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 17:54:08,811 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-25 17:54:08,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:54:08,811 INFO L225 Difference]: With dead ends: 118 [2022-11-25 17:54:08,812 INFO L226 Difference]: Without dead ends: 92 [2022-11-25 17:54:08,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 46 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:54:08,813 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 47 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:54:08,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 75 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:54:08,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-25 17:54:08,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 72. [2022-11-25 17:54:08,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.1971830985915493) internal successors, (85), 71 states have internal predecessors, (85), 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) [2022-11-25 17:54:08,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 85 transitions. [2022-11-25 17:54:08,854 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 85 transitions. Word has length 32 [2022-11-25 17:54:08,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:54:08,854 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 85 transitions. [2022-11-25 17:54:08,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 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) [2022-11-25 17:54:08,855 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2022-11-25 17:54:08,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 17:54:08,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:54:08,862 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:54:08,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-25 17:54:09,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-25 17:54:09,070 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:54:09,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:54:09,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1680698556, now seen corresponding path program 6 times [2022-11-25 17:54:09,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:54:09,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352172305] [2022-11-25 17:54:09,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:54:09,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:54:09,110 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:54:09,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031802735] [2022-11-25 17:54:09,113 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-25 17:54:09,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:54:09,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:54:09,115 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:54:09,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-25 17:54:09,868 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2022-11-25 17:54:09,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:54:09,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-25 17:54:09,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:54:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:54:09,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:54:10,060 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:54:10,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:54:10,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352172305] [2022-11-25 17:54:10,060 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:54:10,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031802735] [2022-11-25 17:54:10,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031802735] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:54:10,061 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:54:10,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2022-11-25 17:54:10,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894350353] [2022-11-25 17:54:10,061 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:54:10,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 17:54:10,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:54:10,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 17:54:10,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:54:10,062 INFO L87 Difference]: Start difference. First operand 72 states and 85 transitions. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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) [2022-11-25 17:54:10,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:54:10,361 INFO L93 Difference]: Finished difference Result 169 states and 188 transitions. [2022-11-25 17:54:10,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 17:54:10,362 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-25 17:54:10,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:54:10,363 INFO L225 Difference]: With dead ends: 169 [2022-11-25 17:54:10,363 INFO L226 Difference]: Without dead ends: 136 [2022-11-25 17:54:10,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 44 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2022-11-25 17:54:10,365 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 94 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:54:10,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 51 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:54:10,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-11-25 17:54:10,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 80. [2022-11-25 17:54:10,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 79 states have internal predecessors, (93), 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) [2022-11-25 17:54:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 93 transitions. [2022-11-25 17:54:10,392 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 93 transitions. Word has length 32 [2022-11-25 17:54:10,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:54:10,393 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 93 transitions. [2022-11-25 17:54:10,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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) [2022-11-25 17:54:10,393 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2022-11-25 17:54:10,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 17:54:10,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:54:10,394 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:54:10,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-25 17:54:10,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-25 17:54:10,599 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:54:10,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:54:10,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1021371332, now seen corresponding path program 7 times [2022-11-25 17:54:10,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:54:10,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182885853] [2022-11-25 17:54:10,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:54:10,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:54:10,629 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:54:10,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [290968444] [2022-11-25 17:54:10,633 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-25 17:54:10,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:54:10,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:54:10,634 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:54:10,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-25 17:54:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:54:10,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 17:54:10,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:54:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:54:10,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:54:11,020 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:54:11,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:54:11,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182885853] [2022-11-25 17:54:11,020 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:54:11,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290968444] [2022-11-25 17:54:11,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290968444] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:54:11,020 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:54:11,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 18 [2022-11-25 17:54:11,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779137424] [2022-11-25 17:54:11,021 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:54:11,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-25 17:54:11,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:54:11,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-25 17:54:11,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-11-25 17:54:11,022 INFO L87 Difference]: Start difference. First operand 80 states and 93 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 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) [2022-11-25 17:54:11,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:54:11,774 INFO L93 Difference]: Finished difference Result 169 states and 182 transitions. [2022-11-25 17:54:11,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-25 17:54:11,774 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-25 17:54:11,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:54:11,775 INFO L225 Difference]: With dead ends: 169 [2022-11-25 17:54:11,775 INFO L226 Difference]: Without dead ends: 151 [2022-11-25 17:54:11,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 42 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=438, Invalid=1368, Unknown=0, NotChecked=0, Total=1806 [2022-11-25 17:54:11,776 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 199 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:54:11,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 188 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 17:54:11,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-11-25 17:54:11,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 80. [2022-11-25 17:54:11,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.139240506329114) internal successors, (90), 79 states have internal predecessors, (90), 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) [2022-11-25 17:54:11,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2022-11-25 17:54:11,805 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 32 [2022-11-25 17:54:11,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:54:11,806 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2022-11-25 17:54:11,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 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) [2022-11-25 17:54:11,806 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2022-11-25 17:54:11,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-25 17:54:11,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:54:11,807 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:54:11,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-25 17:54:12,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-25 17:54:12,013 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:54:12,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:54:12,013 INFO L85 PathProgramCache]: Analyzing trace with hash 351176898, now seen corresponding path program 8 times [2022-11-25 17:54:12,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:54:12,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310725405] [2022-11-25 17:54:12,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:54:12,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:54:12,038 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:54:12,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561283593] [2022-11-25 17:54:12,039 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 17:54:12,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:54:12,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:54:12,042 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:54:12,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-25 17:54:12,153 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 17:54:12,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:54:12,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 17:54:12,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:54:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:54:12,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:54:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 17:54:12,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:54:12,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310725405] [2022-11-25 17:54:12,452 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:54:12,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561283593] [2022-11-25 17:54:12,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561283593] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:54:12,453 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:54:12,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2022-11-25 17:54:12,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327083474] [2022-11-25 17:54:12,453 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:54:12,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-25 17:54:12,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:54:12,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-25 17:54:12,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2022-11-25 17:54:12,455 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 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) [2022-11-25 17:54:13,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:54:13,081 INFO L93 Difference]: Finished difference Result 155 states and 166 transitions. [2022-11-25 17:54:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-25 17:54:13,082 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-11-25 17:54:13,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:54:13,083 INFO L225 Difference]: With dead ends: 155 [2022-11-25 17:54:13,083 INFO L226 Difference]: Without dead ends: 128 [2022-11-25 17:54:13,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 44 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=354, Invalid=1052, Unknown=0, NotChecked=0, Total=1406 [2022-11-25 17:54:13,084 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 149 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:54:13,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 134 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 17:54:13,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-25 17:54:13,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 84. [2022-11-25 17:54:13,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.0843373493975903) internal successors, (90), 83 states have internal predecessors, (90), 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) [2022-11-25 17:54:13,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 90 transitions. [2022-11-25 17:54:13,109 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 90 transitions. Word has length 34 [2022-11-25 17:54:13,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:54:13,109 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 90 transitions. [2022-11-25 17:54:13,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 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) [2022-11-25 17:54:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2022-11-25 17:54:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-25 17:54:13,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:54:13,110 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:54:13,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-25 17:54:13,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:54:13,317 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:54:13,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:54:13,317 INFO L85 PathProgramCache]: Analyzing trace with hash -831401164, now seen corresponding path program 9 times [2022-11-25 17:54:13,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:54:13,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933138131] [2022-11-25 17:54:13,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:54:13,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:54:13,340 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 17:54:13,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018557376] [2022-11-25 17:54:13,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 17:54:13,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:54:13,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:54:13,342 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:54:13,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-25 17:54:14,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-25 17:54:14,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:54:14,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 79 conjunts are in the unsatisfiable core [2022-11-25 17:54:14,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:54:14,366 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-11-25 17:54:14,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 58 [2022-11-25 17:54:14,409 INFO L321 Elim1Store]: treesize reduction 39, result has 31.6 percent of original size [2022-11-25 17:54:14,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 75 [2022-11-25 17:54:14,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-25 17:54:14,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-25 17:54:14,491 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 17:54:14,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-25 17:54:14,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2022-11-25 17:54:14,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-25 17:54:14,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-25 17:54:14,687 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-25 17:54:14,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 119 treesize of output 111 [2022-11-25 17:54:14,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:54:14,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:14,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:14,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:14,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:14,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 172 [2022-11-25 17:54:14,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:14,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 35 [2022-11-25 17:54:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:14,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:14,925 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 17:54:14,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 46 [2022-11-25 17:54:15,100 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 17:54:15,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 86 [2022-11-25 17:54:15,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:15,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:15,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:15,134 INFO L321 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2022-11-25 17:54:15,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 117 [2022-11-25 17:54:15,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 12 [2022-11-25 17:54:15,885 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-25 17:54:15,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 269 treesize of output 247 [2022-11-25 17:54:15,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:54:15,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:15,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:15,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 201 [2022-11-25 17:54:16,405 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-25 17:54:16,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 289 treesize of output 261 [2022-11-25 17:54:16,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:54:16,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:16,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:16,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:16,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:16,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:16,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:16,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 221 [2022-11-25 17:54:16,465 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 17:54:16,979 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-25 17:54:16,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 296 treesize of output 260 [2022-11-25 17:54:17,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:54:17,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 247 [2022-11-25 17:54:17,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:17,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 247 treesize of output 159 [2022-11-25 17:54:19,343 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-25 17:54:19,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 248 treesize of output 200 [2022-11-25 17:54:19,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:19,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:19,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 17:54:19,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2022-11-25 17:54:19,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2022-11-25 17:54:19,421 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:54:19,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:54:41,878 WARN L233 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 143 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:54:53,783 WARN L859 $PredicateComparison]: unable to prove that (or (let ((.cse69 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse70 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse66 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse29 (<= .cse70 2147483647)) (.cse68 (* .cse70 8)) (.cse67 (* .cse69 8)) (.cse17 (<= .cse69 2147483647))) (let ((.cse18 (not .cse17)) (.cse37 (+ .cse67 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse28 (+ .cse68 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse19 (not .cse29)) (.cse0 (+ c_~N~0 10)) (.cse4 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse15 (+ .cse68 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ .cse67 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse12 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse39 (* 8 .cse66)) (.cse40 (<= .cse66 2147483647))) (and (or (let ((.cse38 (select .cse12 (+ .cse39 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (let ((.cse16 (+ .cse38 4)) (.cse14 (+ 2 .cse38))) (and (or (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (= .cse0 (let ((.cse11 (store (store (store .cse12 .cse13 .cse14) .cse15 .cse16) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse11))) (let ((.cse9 (select .cse2 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse1 (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (select .cse9 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse3 (store .cse9 .cse10 (+ .cse1 2 .cse6)))) (let ((.cse5 (select (select (store .cse2 |c_ULTIMATE.start_main_~a~0#1.base| .cse3) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (+ .cse1 (select (select (store .cse2 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse3 .cse4 (+ .cse1 .cse5 .cse6 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7) .cse5 .cse6)))))))) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)))) .cse17) (or .cse18 (let ((.cse27 (store .cse12 .cse37 .cse14))) (and (or .cse19 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (= (let ((.cse26 (store (store .cse27 .cse28 .cse16) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse26))) (let ((.cse25 (select .cse22 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse20 (select .cse25 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse21 (select .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse23 (store .cse25 .cse10 (+ .cse20 .cse21 2)))) (let ((.cse24 (select (select (store .cse22 |c_ULTIMATE.start_main_~a~0#1.base| .cse23) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (+ .cse20 .cse21 (select (select (store .cse22 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse23 .cse4 (+ .cse20 .cse21 .cse24 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7) .cse24))))))) .cse0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0))))) (or .cse29 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (= .cse0 (let ((.cse36 (store (store .cse27 .cse15 .cse16) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse32 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse36))) (let ((.cse35 (select .cse32 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse31 (select .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse34 (select .cse35 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse33 (store .cse35 .cse10 (+ .cse31 2 .cse34)))) (let ((.cse30 (select (select (store .cse32 |c_ULTIMATE.start_main_~a~0#1.base| .cse33) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (+ .cse30 .cse31 (select (select (store .cse32 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse33 .cse4 (+ .cse30 .cse31 4 .cse34))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7) .cse34)))))))) (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0))))))))))) (not .cse40)) (or (let ((.cse65 (select .cse12 (+ (- 34359738368) .cse39 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (let ((.cse49 (+ .cse65 4)) (.cse48 (+ .cse65 2))) (and (or .cse18 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)) (= .cse0 (let ((.cse47 (store (store (store .cse12 .cse37 .cse48) .cse28 .cse49) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse41 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse47))) (let ((.cse46 (select .cse41 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse43 (select .cse47 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse44 (select .cse46 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse42 (store .cse46 .cse10 (+ .cse43 2 .cse44)))) (let ((.cse45 (select (select (store .cse41 |c_ULTIMATE.start_main_~a~0#1.base| .cse42) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (+ (select (select (store .cse41 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse42 .cse4 (+ .cse43 .cse44 .cse45 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7) .cse43 .cse44 .cse45))))))))))) (or .cse17 (let ((.cse57 (store .cse12 .cse13 .cse48))) (and (or (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)) (= (let ((.cse56 (store (store .cse57 .cse28 .cse49) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse56))) (let ((.cse55 (select .cse50 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse52 (select .cse55 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse53 (select .cse56 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse51 (store .cse55 .cse10 (+ .cse52 2 .cse53)))) (let ((.cse54 (select (select (store .cse50 |c_ULTIMATE.start_main_~a~0#1.base| .cse51) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (+ (select (select (store .cse50 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse51 .cse4 (+ .cse52 .cse53 .cse54 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7) .cse52 .cse53 .cse54))))))) .cse0))) .cse19) (or .cse29 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (= .cse0 (let ((.cse64 (store (store .cse57 .cse15 .cse49) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse64))) (let ((.cse63 (select .cse58 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse61 (select .cse63 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse62 (select .cse64 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse59 (store .cse63 .cse10 (+ 2 .cse61 .cse62)))) (let ((.cse60 (select (select (store .cse58 |c_ULTIMATE.start_main_~a~0#1.base| .cse59) |c_ULTIMATE.start_main_~b~0#1.base|) .cse8))) (+ (select (select (store .cse58 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse59 .cse4 (+ .cse60 .cse61 .cse62 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse7) .cse60 .cse61 .cse62)))))))) (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0))))))))))) .cse40))))) (< 4 c_~N~0) (not (< 3 c_~N~0)) (not (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0))) is different from true [2022-11-25 17:54:53,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:54:53,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 17:54:53,813 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-11-25 17:54:53,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1618 treesize of output 1 [2022-11-25 17:54:53,817 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2022-11-25 17:54:53,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:54:53,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933138131] [2022-11-25 17:54:53,817 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 17:54:53,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018557376] [2022-11-25 17:54:53,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018557376] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:54:53,817 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:54:53,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 22] total 45 [2022-11-25 17:54:53,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334735342] [2022-11-25 17:54:53,818 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:54:53,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-25 17:54:53,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:54:53,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-25 17:54:53,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=1579, Unknown=2, NotChecked=84, Total=1980 [2022-11-25 17:54:53,820 INFO L87 Difference]: Start difference. First operand 84 states and 90 transitions. Second operand has 45 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 45 states have internal predecessors, (70), 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) [2022-11-25 17:54:55,902 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse108 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse66 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse104 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse27 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse65 (* 8 .cse66)) (.cse106 (* .cse108 8)) (.cse110 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse101 (mod .cse110 4294967296)) (.cse109 (+ .cse106 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse9 (select .cse27 (+ .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse11 (select .cse104 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse65)))) (let ((.cse103 (store .cse104 .cse109 (+ 2 .cse9 .cse11))) (.cse100 (* .cse101 8)) (.cse107 (+ 2 |c_ULTIMATE.start_main_~i~0#1|)) (.cse38 (+ .cse106 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse102 (< .cse110 c_~N~0)) (.cse14 (select .cse27 .cse38)) (.cse15 (select .cse104 .cse109)) (.cse49 (<= .cse108 2147483647)) (.cse0 (< .cse107 c_~N~0)) (.cse105 (+ .cse100 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse103) |c_ULTIMATE.start_main_~b~0#1.base|) .cse38))) (let ((.cse1 (store .cse103 .cse105 (+ .cse8 .cse9 4 .cse11))) (.cse6 (not .cse0)) (.cse7 (+ (* 8 (mod .cse107 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse12 (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0)) (.cse29 (< 4 c_~N~0)) (.cse48 (+ .cse106 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse40 (not .cse49)) (.cse10 (+ .cse100 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse28 (+ c_~N~0 10)) (.cse18 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse22 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse23 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse25 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse4 (not (< 3 c_~N~0))) (.cse3 (+ c_~N~0 16)) (.cse13 (store .cse104 .cse105 (+ 2 .cse14 .cse15))) (.cse2 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 24)) (.cse5 (not .cse102))) (and (or .cse0 (= (select .cse1 .cse2) .cse3) .cse4 .cse5) (or .cse4 .cse6 (= .cse3 (select (store .cse1 .cse7 (+ .cse8 6 .cse9 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse1) |c_ULTIMATE.start_main_~b~0#1.base|) .cse10) .cse11)) .cse2)) .cse12) (or .cse4 .cse6 (= (select (store .cse13 .cse7 (+ .cse14 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse13) |c_ULTIMATE.start_main_~b~0#1.base|) .cse10) 4 .cse15)) .cse2) .cse3) .cse12) (or (forall ((|ULTIMATE.start_main_~i~0#1| Int) (v_ArrVal_736 Int)) (or (< (+ |ULTIMATE.start_main_~i~0#1| 1) c_~N~0) (not (< |ULTIMATE.start_main_~i~0#1| c_~N~0)) (= (let ((.cse26 (store .cse27 (+ (* (mod |ULTIMATE.start_main_~i~0#1| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse16 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse26))) (let ((.cse24 (select .cse16 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse19 (select .cse26 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse21 (select .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse17 (store .cse24 .cse25 (+ .cse19 .cse21 2)))) (let ((.cse20 (select (select (store .cse16 |c_ULTIMATE.start_main_~a~0#1.base| .cse17) |c_ULTIMATE.start_main_~b~0#1.base|) .cse23))) (+ (select (select (store .cse16 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse17 .cse18 (+ .cse19 .cse20 .cse21 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse22) .cse19 .cse20 .cse21))))))) .cse28))) .cse29 .cse4) (or (let ((.cse30 (<= .cse66 2147483647))) (and (or (not .cse30) (let ((.cse39 (+ 2 .cse9))) (and (or (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (= .cse28 (let ((.cse37 (store (store .cse27 .cse38 .cse39) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse37))) (let ((.cse36 (select .cse33 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse31 (select .cse36 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse32 (select .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse34 (store .cse36 .cse25 (+ .cse31 .cse32 2)))) (let ((.cse35 (select (select (store .cse33 |c_ULTIMATE.start_main_~a~0#1.base| .cse34) |c_ULTIMATE.start_main_~b~0#1.base|) .cse23))) (+ .cse31 .cse32 (select (select (store .cse33 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse34 .cse18 (+ .cse31 .cse32 4 .cse35))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse22) .cse35)))))))) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)))) .cse40) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (= .cse28 (let ((.cse47 (store (store .cse27 .cse48 .cse39) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse42 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse47))) (let ((.cse46 (select .cse42 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse44 (select .cse46 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse45 (select .cse47 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse43 (store .cse46 .cse25 (+ 2 .cse44 .cse45)))) (let ((.cse41 (select (select (store .cse42 |c_ULTIMATE.start_main_~a~0#1.base| .cse43) |c_ULTIMATE.start_main_~b~0#1.base|) .cse23))) (+ .cse41 (select (select (store .cse42 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse43 .cse18 (+ .cse41 .cse44 .cse45 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse22) .cse44 .cse45)))))))) (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)))) .cse49)))) (or (let ((.cse57 (+ (select .cse27 (+ (- 34359738368) .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|)) 2))) (and (or .cse40 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)) (= (let ((.cse56 (store (store .cse27 .cse38 .cse57) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse50 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse56))) (let ((.cse55 (select .cse50 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse52 (select .cse55 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse53 (select .cse56 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse51 (store .cse55 .cse25 (+ 2 .cse52 .cse53)))) (let ((.cse54 (select (select (store .cse50 |c_ULTIMATE.start_main_~a~0#1.base| .cse51) |c_ULTIMATE.start_main_~b~0#1.base|) .cse23))) (+ (select (select (store .cse50 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse51 .cse18 (+ .cse52 .cse53 .cse54 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse22) .cse52 .cse53 .cse54))))))) .cse28)))) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)) (= .cse28 (let ((.cse64 (store (store .cse27 .cse48 .cse57) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse61 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse64))) (let ((.cse63 (select .cse61 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse58 (select .cse64 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse59 (select .cse63 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse62 (store .cse63 .cse25 (+ .cse58 .cse59 2)))) (let ((.cse60 (select (select (store .cse61 |c_ULTIMATE.start_main_~a~0#1.base| .cse62) |c_ULTIMATE.start_main_~b~0#1.base|) .cse23))) (+ .cse58 .cse59 .cse60 (select (select (store .cse61 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse62 .cse18 (+ .cse58 .cse59 .cse60 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse22))))))))))) .cse49))) .cse30))) .cse29 .cse4) (or .cse29 .cse4 (let ((.cse76 (<= .cse101 2147483647))) (let ((.cse67 (not .cse76)) (.cse84 (+ .cse100 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (let ((.cse75 (+ 2 (select .cse27 .cse48)))) (and (or .cse67 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (= (let ((.cse74 (store (store .cse27 .cse10 .cse75) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse71 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse74))) (let ((.cse73 (select .cse71 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse68 (select .cse73 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse70 (select .cse74 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse72 (store .cse73 .cse25 (+ .cse68 2 .cse70)))) (let ((.cse69 (select (select (store .cse71 |c_ULTIMATE.start_main_~a~0#1.base| .cse72) |c_ULTIMATE.start_main_~b~0#1.base|) .cse23))) (+ .cse68 .cse69 .cse70 (select (select (store .cse71 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse72 .cse18 (+ .cse68 .cse69 4 .cse70))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse22)))))))) .cse28) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0))))) (or .cse76 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)) (= (let ((.cse83 (store (store .cse27 .cse84 .cse75) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse78 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse83))) (let ((.cse82 (select .cse78 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse80 (select .cse82 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse81 (select .cse83 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse79 (store .cse82 .cse25 (+ 2 .cse80 .cse81)))) (let ((.cse77 (select (select (store .cse78 |c_ULTIMATE.start_main_~a~0#1.base| .cse79) |c_ULTIMATE.start_main_~b~0#1.base|) .cse23))) (+ .cse77 (select (select (store .cse78 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse79 .cse18 (+ .cse77 .cse80 4 .cse81))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse22) .cse80 .cse81))))))) .cse28)))))) .cse49) (or .cse40 (let ((.cse92 (+ 2 .cse14))) (and (or (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)) (= .cse28 (let ((.cse91 (store (store .cse27 .cse10 .cse92) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse88 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse91))) (let ((.cse90 (select .cse88 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse85 (select .cse90 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse87 (select .cse91 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse89 (store .cse90 .cse25 (+ 2 .cse85 .cse87)))) (let ((.cse86 (select (select (store .cse88 |c_ULTIMATE.start_main_~a~0#1.base| .cse89) |c_ULTIMATE.start_main_~b~0#1.base|) .cse23))) (+ .cse85 .cse86 .cse87 (select (select (store .cse88 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse89 .cse18 (+ .cse85 .cse86 .cse87 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse22))))))))))) .cse67) (or .cse76 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (= .cse28 (let ((.cse99 (store (store .cse27 .cse84 .cse92) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse96 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse99))) (let ((.cse98 (select .cse96 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse93 (select .cse99 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse95 (select .cse98 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse97 (store .cse98 .cse25 (+ .cse93 2 .cse95)))) (let ((.cse94 (select (select (store .cse96 |c_ULTIMATE.start_main_~a~0#1.base| .cse97) |c_ULTIMATE.start_main_~b~0#1.base|) .cse23))) (+ .cse93 .cse94 .cse95 (select (select (store .cse96 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse97 .cse18 (+ .cse93 .cse94 .cse95 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse22))))))))) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)))))))))))) (or .cse102 .cse4 (not (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (= (select .cse103 .cse2) .cse3)) (<= c_~N~0 2147483647) (or .cse4 (= .cse3 (select .cse104 .cse2))) (or .cse0 .cse4 (= .cse3 (select .cse13 .cse2)) .cse5)))))))) is different from true [2022-11-25 17:55:11,600 WARN L233 SmtUtils]: Spent 7.40s on a formula simplification. DAG size of input: 295 DAG size of output: 141 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:55:14,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-25 17:55:26,388 WARN L233 SmtUtils]: Spent 8.97s on a formula simplification. DAG size of input: 204 DAG size of output: 123 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:55:28,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-25 17:55:30,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-25 17:55:36,309 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse74 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse121 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse119 (* 8 .cse74))) (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse47 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse115 (+ .cse119 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse31 (* .cse121 8)) (.cse124 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse120 (+ 2 |c_ULTIMATE.start_main_~i~0#1|)) (.cse122 (mod .cse124 4294967296)) (.cse123 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (select .cse47 .cse115)) (.cse13 (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse119)))) (let ((.cse113 (store .cse1 .cse123 (+ 2 .cse11 .cse13))) (.cse78 (* .cse122 8)) (.cse18 (mod .cse120 4294967296)) (.cse48 (+ .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse112 (< .cse124 c_~N~0)) (.cse21 (select .cse47 .cse48)) (.cse22 (select .cse1 .cse123)) (.cse76 (<= .cse122 2147483647)) (.cse32 (<= .cse121 2147483647)) (.cse27 (+ 3 |c_ULTIMATE.start_main_~i~0#1|)) (.cse17 (* 8 .cse18)) (.cse2 (< .cse120 c_~N~0)) (.cse80 (+ .cse78 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse10 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse113) |c_ULTIMATE.start_main_~b~0#1.base|) .cse48))) (let ((.cse3 (store .cse113 .cse80 (+ .cse10 .cse11 4 .cse13))) (.cse8 (not .cse2)) (.cse9 (+ .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (< .cse27 c_~N~0)) (.cse19 (* |c_ULTIMATE.start_main_~i~0#1| |c_ULTIMATE.start_main_~i~0#1|)) (.cse75 (< 4 c_~N~0)) (.cse57 (+ .cse31 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse29 (not .cse32)) (.cse12 (+ .cse78 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse79 (not .cse76)) (.cse35 (+ c_~N~0 10)) (.cse40 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse45 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse28 (<= (mod c_~N~0 4294967296) 536870911)) (.cse33 (not (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0))) (.cse73 (+ (- 34359738368) .cse119 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (not (< 3 c_~N~0))) (.cse5 (+ c_~N~0 16)) (.cse20 (store .cse1 .cse80 (+ 2 .cse21 .cse22))) (.cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 24)) (.cse7 (not .cse112)) (.cse0 (+ c_~N~0 1)) (.cse42 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse43 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (= .cse0 (select .cse1 |c_ULTIMATE.start_main_~a~0#1.offset|)) (or .cse2 (= (select .cse3 .cse4) .cse5) .cse6 .cse7) (or .cse6 .cse8 (= .cse5 (select (store .cse3 .cse9 (+ .cse10 6 .cse11 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse3) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12) .cse13)) .cse4)) .cse14) (not (<= c_~N~0 0)) (or .cse8 (let ((.cse16 (+ c_~N~0 (* 6 |c_ULTIMATE.start_main_~i~0#1|) 9 .cse19)) (.cse15 (<= .cse18 2147483647))) (and (or (not .cse15) (= .cse16 (select .cse1 .cse9))) (or (= .cse16 (select .cse1 (+ .cse17 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) .cse15)))) (or .cse6 .cse8 (= (select (store .cse20 .cse9 (+ .cse21 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse20) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12) 4 .cse22)) .cse4) .cse5) .cse14) (or (let ((.cse26 (mod .cse27 4294967296))) (let ((.cse25 (<= .cse26 2147483647)) (.cse23 (+ c_~N~0 (* 8 |c_ULTIMATE.start_main_~i~0#1|) 16 .cse19)) (.cse24 (* .cse26 8))) (and (or (= .cse23 (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse24))) (not .cse25)) (or .cse25 (= .cse23 (select .cse1 (+ |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368) .cse24))))))) (not .cse14)) .cse28 (or (let ((.cse30 (+ (* 2 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0 .cse19 1))) (and (or .cse29 (= .cse30 .cse22)) (or (= .cse30 (select .cse1 (+ .cse31 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368)))) .cse32))) .cse33) (or (let ((.cse34 (<= .cse74 2147483647))) (and (or (not .cse34) (let ((.cse49 (+ 2 .cse11))) (and (or (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (= .cse35 (let ((.cse46 (store (store .cse47 .cse48 .cse49) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse38 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse46))) (let ((.cse44 (select .cse38 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse36 (select .cse44 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse37 (select .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse39 (store .cse44 .cse45 (+ .cse36 .cse37 2)))) (let ((.cse41 (select (select (store .cse38 |c_ULTIMATE.start_main_~a~0#1.base| .cse39) |c_ULTIMATE.start_main_~b~0#1.base|) .cse43))) (+ .cse36 .cse37 (select (select (store .cse38 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse39 .cse40 (+ .cse36 .cse37 4 .cse41))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse42) .cse41)))))))) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)))) .cse29) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (= .cse35 (let ((.cse56 (store (store .cse47 .cse57 .cse49) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse56))) (let ((.cse55 (select .cse51 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse53 (select .cse55 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse54 (select .cse56 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse52 (store .cse55 .cse45 (+ 2 .cse53 .cse54)))) (let ((.cse50 (select (select (store .cse51 |c_ULTIMATE.start_main_~a~0#1.base| .cse52) |c_ULTIMATE.start_main_~b~0#1.base|) .cse43))) (+ .cse50 (select (select (store .cse51 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse52 .cse40 (+ .cse50 .cse53 .cse54 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse42) .cse53 .cse54)))))))) (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)))) .cse32)))) (or (let ((.cse65 (+ (select .cse47 .cse73) 2))) (and (or .cse29 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)) (= (let ((.cse64 (store (store .cse47 .cse48 .cse65) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse58 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse64))) (let ((.cse63 (select .cse58 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse60 (select .cse63 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse61 (select .cse64 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse59 (store .cse63 .cse45 (+ 2 .cse60 .cse61)))) (let ((.cse62 (select (select (store .cse58 |c_ULTIMATE.start_main_~a~0#1.base| .cse59) |c_ULTIMATE.start_main_~b~0#1.base|) .cse43))) (+ (select (select (store .cse58 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse59 .cse40 (+ .cse60 .cse61 .cse62 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse42) .cse60 .cse61 .cse62))))))) .cse35)))) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)) (= .cse35 (let ((.cse72 (store (store .cse47 .cse57 .cse65) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse69 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse72))) (let ((.cse71 (select .cse69 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse66 (select .cse72 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse67 (select .cse71 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse70 (store .cse71 .cse45 (+ .cse66 .cse67 2)))) (let ((.cse68 (select (select (store .cse69 |c_ULTIMATE.start_main_~a~0#1.base| .cse70) |c_ULTIMATE.start_main_~b~0#1.base|) .cse43))) (+ .cse66 .cse67 .cse68 (select (select (store .cse69 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse70 .cse40 (+ .cse66 .cse67 .cse68 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse42))))))))))) .cse32))) .cse34))) .cse75 .cse6) (or .cse7 (let ((.cse77 (+ c_~N~0 (* |c_ULTIMATE.start_main_~i~0#1| 4) .cse19 4))) (and (or .cse76 (= .cse77 (select .cse1 (+ .cse78 |c_ULTIMATE.start_main_~a~0#1.offset| (- 34359738368))))) (or .cse79 (= (select .cse1 .cse80) .cse77))))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (or .cse75 .cse6 (let ((.cse96 (+ .cse78 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (let ((.cse88 (+ 2 (select .cse47 .cse57)))) (and (or .cse79 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (= (let ((.cse87 (store (store .cse47 .cse12 .cse88) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse84 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse87))) (let ((.cse86 (select .cse84 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse81 (select .cse86 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse83 (select .cse87 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse85 (store .cse86 .cse45 (+ .cse81 2 .cse83)))) (let ((.cse82 (select (select (store .cse84 |c_ULTIMATE.start_main_~a~0#1.base| .cse85) |c_ULTIMATE.start_main_~b~0#1.base|) .cse43))) (+ .cse81 .cse82 .cse83 (select (select (store .cse84 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse85 .cse40 (+ .cse81 .cse82 4 .cse83))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse42)))))))) .cse35) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0))))) (or .cse76 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)) (= (let ((.cse95 (store (store .cse47 .cse96 .cse88) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse90 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse95))) (let ((.cse94 (select .cse90 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse92 (select .cse94 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse93 (select .cse95 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse91 (store .cse94 .cse45 (+ 2 .cse92 .cse93)))) (let ((.cse89 (select (select (store .cse90 |c_ULTIMATE.start_main_~a~0#1.base| .cse91) |c_ULTIMATE.start_main_~b~0#1.base|) .cse43))) (+ .cse89 (select (select (store .cse90 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse91 .cse40 (+ .cse89 .cse92 4 .cse93))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse42) .cse92 .cse93))))))) .cse35)))))) .cse32) (or .cse29 (let ((.cse104 (+ 2 .cse21))) (and (or (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)) (= .cse35 (let ((.cse103 (store (store .cse47 .cse12 .cse104) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse100 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse103))) (let ((.cse102 (select .cse100 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse97 (select .cse102 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse99 (select .cse103 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse101 (store .cse102 .cse45 (+ 2 .cse97 .cse99)))) (let ((.cse98 (select (select (store .cse100 |c_ULTIMATE.start_main_~a~0#1.base| .cse101) |c_ULTIMATE.start_main_~b~0#1.base|) .cse43))) (+ .cse97 .cse98 .cse99 (select (select (store .cse100 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse101 .cse40 (+ .cse97 .cse98 .cse99 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse42))))))))))) .cse79) (or .cse76 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (= .cse35 (let ((.cse111 (store (store .cse47 .cse96 .cse104) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse108 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse111))) (let ((.cse110 (select .cse108 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse105 (select .cse111 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse107 (select .cse110 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse109 (store .cse110 .cse45 (+ .cse105 2 .cse107)))) (let ((.cse106 (select (select (store .cse108 |c_ULTIMATE.start_main_~a~0#1.base| .cse109) |c_ULTIMATE.start_main_~b~0#1.base|) .cse43))) (+ .cse105 .cse106 .cse107 (select (select (store .cse108 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse109 .cse40 (+ .cse105 .cse106 .cse107 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse42))))))))) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0))))))))))) (< 1 c_~N~0) (or (and (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse28) (and (not .cse28) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0))) (or .cse112 .cse6 .cse33 (= (select .cse113 .cse4) .cse5)) (<= c_~N~0 2147483647) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (< |c_ULTIMATE.start_main_~i~0#1| .cse0) (exists ((v_DerPreprocessor_8 Int)) (let ((.cse114 (store (store .cse47 .cse115 v_DerPreprocessor_8) .cse73 .cse11))) (and (= (select .cse114 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 5 (select .cse114 .cse42)) (= 3 (select .cse114 .cse43))))) (or .cse2 .cse6 (= .cse5 (select .cse20 .cse4)) .cse7) (exists ((|ULTIMATE.start_main_~i~0#1| Int) (v_DerPreprocessor_8 Int)) (let ((.cse116 (let ((.cse118 (* (mod (+ 4294967295 |ULTIMATE.start_main_~i~0#1|) 4294967296) 8))) (let ((.cse117 (+ .cse118 |c_ULTIMATE.start_main_~b~0#1.offset|))) (store (store .cse47 .cse117 v_DerPreprocessor_8) (+ .cse118 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|) (select .cse47 .cse117)))))) (and (= (select .cse116 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (< |ULTIMATE.start_main_~i~0#1| .cse0) (= 5 (select .cse116 .cse42)) (not (< |ULTIMATE.start_main_~i~0#1| c_~N~0)) (= 3 (select .cse116 .cse43))))))))))))) is different from true [2022-11-25 17:55:38,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-25 17:55:40,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-11-25 17:58:11,641 WARN L233 SmtUtils]: Spent 2.31m on a formula simplification. DAG size of input: 184 DAG size of output: 177 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:58:13,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 17:58:17,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 17:58:19,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 17:58:24,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-25 17:58:37,135 WARN L233 SmtUtils]: Spent 7.10s on a formula simplification. DAG size of input: 113 DAG size of output: 106 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:58:41,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 17:58:44,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 17:58:59,591 WARN L233 SmtUtils]: Spent 8.67s on a formula simplification. DAG size of input: 116 DAG size of output: 109 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:59:58,988 WARN L233 SmtUtils]: Spent 54.71s on a formula simplification. DAG size of input: 162 DAG size of output: 155 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 18:00:00,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:00:04,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:00:06,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:00:10,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 18:00:18,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:00:24,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:00:26,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:00:36,768 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse67 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296))) (let ((.cse113 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse110 (* 8 .cse67))) (let ((.cse18 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|)) (.cse38 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse107 (+ .cse110 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse111 (* .cse113 8)) (.cse115 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (let ((.cse103 (mod .cse115 4294967296)) (.cse114 (+ .cse111 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse11 (select .cse38 .cse107)) (.cse13 (select .cse18 (+ |c_ULTIMATE.start_main_~a~0#1.offset| .cse110)))) (let ((.cse105 (store .cse18 .cse114 (+ 2 .cse11 .cse13))) (.cse102 (* .cse103 8)) (.cse112 (+ 2 |c_ULTIMATE.start_main_~i~0#1|)) (.cse39 (+ .cse111 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse104 (< .cse115 c_~N~0)) (.cse24 (select .cse38 .cse39)) (.cse25 (select .cse18 .cse114)) (.cse108 (< 3 c_~N~0)) (.cse50 (<= .cse113 2147483647)) (.cse34 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse2 (< .cse112 c_~N~0)) (.cse109 (+ .cse102 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse10 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse105) |c_ULTIMATE.start_main_~b~0#1.base|) .cse39))) (let ((.cse3 (store .cse105 .cse109 (+ .cse10 .cse11 4 .cse13))) (.cse1 (select .cse18 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (not .cse2)) (.cse9 (+ (* 8 (mod .cse112 4294967296)) |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse14 (< (+ 3 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0)) (.cse26 (select .cse38 .cse34)) (.cse68 (< 4 c_~N~0)) (.cse49 (+ .cse111 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse41 (not .cse50)) (.cse12 (+ .cse102 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse28 (+ c_~N~0 10)) (.cse19 (+ 16 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse21 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse0 (+ c_~N~0 1)) (.cse35 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse66 (+ (- 34359738368) .cse110 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (not .cse108)) (.cse5 (+ c_~N~0 16)) (.cse23 (store .cse18 .cse109 (+ 2 .cse24 .cse25))) (.cse4 (+ |c_ULTIMATE.start_main_~a~0#1.offset| 24)) (.cse7 (not .cse104))) (and (= .cse0 .cse1) (or .cse2 (= (select .cse3 .cse4) .cse5) .cse6 .cse7) (or .cse6 .cse8 (= .cse5 (select (store .cse3 .cse9 (+ .cse10 6 .cse11 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse3) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12) .cse13)) .cse4)) .cse14) (exists ((|ULTIMATE.start_main_~b~0#1.base| Int) (v_DerPreprocessor_8 Int) (|v_ULTIMATE.start_main_~i~0#1_180| Int)) (let ((.cse16 (select |c_#memory_int| |ULTIMATE.start_main_~b~0#1.base|))) (let ((.cse15 (select .cse16 8)) (.cse17 (select .cse16 0)) (.cse20 (let ((.cse22 (* (mod (+ 4294967295 |v_ULTIMATE.start_main_~i~0#1_180|) 4294967296) 8))) (store (store .cse16 .cse22 v_DerPreprocessor_8) (+ .cse22 (- 34359738368)) (select .cse16 .cse22))))) (and (= (+ .cse15 (select .cse16 16) 6 .cse17 .cse1) (select .cse18 .cse4)) (= (select .cse18 .cse19) (+ .cse15 4 .cse17 .cse1)) (= (select .cse20 0) 1) (= 5 (select .cse20 16)) (< |v_ULTIMATE.start_main_~i~0#1_180| .cse0) (= (select .cse18 .cse21) (+ 2 .cse17 .cse1)) (not (< |v_ULTIMATE.start_main_~i~0#1_180| c_~N~0)) (= 3 (select .cse20 8)))))) (or .cse6 .cse8 (= (select (store .cse23 .cse9 (+ .cse24 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse23) |c_ULTIMATE.start_main_~b~0#1.base|) .cse12) 4 .cse25)) .cse4) .cse5) .cse14) (<= (mod c_~N~0 4294967296) 536870911) (= .cse26 5) (or (let ((.cse27 (<= .cse67 2147483647))) (and (or (not .cse27) (let ((.cse40 (+ 2 .cse11))) (and (or (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (= .cse28 (let ((.cse37 (store (store .cse38 .cse39 .cse40) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse31 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse37))) (let ((.cse36 (select .cse31 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse29 (select .cse36 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse30 (select .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse32 (store .cse36 .cse21 (+ .cse29 .cse30 2)))) (let ((.cse33 (select (select (store .cse31 |c_ULTIMATE.start_main_~a~0#1.base| .cse32) |c_ULTIMATE.start_main_~b~0#1.base|) .cse35))) (+ .cse29 .cse30 (select (select (store .cse31 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse32 .cse19 (+ .cse29 .cse30 4 .cse33))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse34) .cse33)))))))) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)))) .cse41) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (= .cse28 (let ((.cse48 (store (store .cse38 .cse49 .cse40) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse43 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse48))) (let ((.cse47 (select .cse43 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse45 (select .cse47 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse46 (select .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse44 (store .cse47 .cse21 (+ 2 .cse45 .cse46)))) (let ((.cse42 (select (select (store .cse43 |c_ULTIMATE.start_main_~a~0#1.base| .cse44) |c_ULTIMATE.start_main_~b~0#1.base|) .cse35))) (+ .cse42 (select (select (store .cse43 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse44 .cse19 (+ .cse42 .cse45 .cse46 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse34) .cse45 .cse46)))))))) (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)))) .cse50)))) (or (let ((.cse58 (+ (select .cse38 .cse66) 2))) (and (or .cse41 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)) (= (let ((.cse57 (store (store .cse38 .cse39 .cse58) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse51 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse57))) (let ((.cse56 (select .cse51 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse53 (select .cse56 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse54 (select .cse57 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse52 (store .cse56 .cse21 (+ 2 .cse53 .cse54)))) (let ((.cse55 (select (select (store .cse51 |c_ULTIMATE.start_main_~a~0#1.base| .cse52) |c_ULTIMATE.start_main_~b~0#1.base|) .cse35))) (+ (select (select (store .cse51 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse52 .cse19 (+ .cse53 .cse54 .cse55 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse34) .cse53 .cse54 .cse55))))))) .cse28)))) (or (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)) (= .cse28 (let ((.cse65 (store (store .cse38 .cse49 .cse58) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse62 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse65))) (let ((.cse64 (select .cse62 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse59 (select .cse65 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse60 (select .cse64 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse63 (store .cse64 .cse21 (+ .cse59 .cse60 2)))) (let ((.cse61 (select (select (store .cse62 |c_ULTIMATE.start_main_~a~0#1.base| .cse63) |c_ULTIMATE.start_main_~b~0#1.base|) .cse35))) (+ .cse59 .cse60 .cse61 (select (select (store .cse62 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse63 .cse19 (+ .cse59 .cse60 .cse61 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse34))))))))))) .cse50))) .cse27))) .cse68 .cse6) (= .cse26 (+ 2 (select .cse38 .cse35))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (or .cse68 .cse6 (let ((.cse78 (<= .cse103 2147483647))) (let ((.cse69 (not .cse78)) (.cse86 (+ .cse102 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (let ((.cse77 (+ 2 (select .cse38 .cse49)))) (and (or .cse69 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (= (let ((.cse76 (store (store .cse38 .cse12 .cse77) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse73 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse76))) (let ((.cse75 (select .cse73 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse70 (select .cse75 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse72 (select .cse76 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse74 (store .cse75 .cse21 (+ .cse70 2 .cse72)))) (let ((.cse71 (select (select (store .cse73 |c_ULTIMATE.start_main_~a~0#1.base| .cse74) |c_ULTIMATE.start_main_~b~0#1.base|) .cse35))) (+ .cse70 .cse71 .cse72 (select (select (store .cse73 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse74 .cse19 (+ .cse70 .cse71 4 .cse72))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse34)))))))) .cse28) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0))))) (or .cse78 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)) (= (let ((.cse85 (store (store .cse38 .cse86 .cse77) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse80 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse85))) (let ((.cse84 (select .cse80 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse82 (select .cse84 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse83 (select .cse85 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse81 (store .cse84 .cse21 (+ 2 .cse82 .cse83)))) (let ((.cse79 (select (select (store .cse80 |c_ULTIMATE.start_main_~a~0#1.base| .cse81) |c_ULTIMATE.start_main_~b~0#1.base|) .cse35))) (+ .cse79 (select (select (store .cse80 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse81 .cse19 (+ .cse79 .cse82 4 .cse83))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse34) .cse82 .cse83))))))) .cse28)))))) .cse50) (or .cse41 (let ((.cse94 (+ 2 .cse24))) (and (or (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)) (= .cse28 (let ((.cse93 (store (store .cse38 .cse12 .cse94) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse90 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse93))) (let ((.cse92 (select .cse90 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse87 (select .cse92 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse89 (select .cse93 |c_ULTIMATE.start_main_~b~0#1.offset|))) (let ((.cse91 (store .cse92 .cse21 (+ 2 .cse87 .cse89)))) (let ((.cse88 (select (select (store .cse90 |c_ULTIMATE.start_main_~a~0#1.base| .cse91) |c_ULTIMATE.start_main_~b~0#1.base|) .cse35))) (+ .cse87 .cse88 .cse89 (select (select (store .cse90 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse91 .cse19 (+ .cse87 .cse88 .cse89 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse34))))))))))) .cse69) (or .cse78 (forall ((|v_ULTIMATE.start_main_~i~0#1_197| Int) (v_ArrVal_736 Int)) (or (< (+ |v_ULTIMATE.start_main_~i~0#1_197| 1) c_~N~0) (= .cse28 (let ((.cse101 (store (store .cse38 .cse86 .cse94) (+ (* (mod |v_ULTIMATE.start_main_~i~0#1_197| 4294967296) 8) |c_ULTIMATE.start_main_~b~0#1.offset|) v_ArrVal_736))) (let ((.cse98 (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse101))) (let ((.cse100 (select .cse98 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse95 (select .cse101 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse97 (select .cse100 |c_ULTIMATE.start_main_~a~0#1.offset|))) (let ((.cse99 (store .cse100 .cse21 (+ .cse95 2 .cse97)))) (let ((.cse96 (select (select (store .cse98 |c_ULTIMATE.start_main_~a~0#1.base| .cse99) |c_ULTIMATE.start_main_~b~0#1.base|) .cse35))) (+ .cse95 .cse96 .cse97 (select (select (store .cse98 |c_ULTIMATE.start_main_~a~0#1.base| (store .cse99 .cse19 (+ .cse95 .cse96 .cse97 4))) |c_ULTIMATE.start_main_~b~0#1.base|) .cse34))))))))) (not (< |v_ULTIMATE.start_main_~i~0#1_197| c_~N~0)))))))))))) (= (select .cse38 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (< 1 c_~N~0) (or .cse104 .cse6 (not (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (= (select .cse105 .cse4) .cse5)) (<= |c_ULTIMATE.start_main_~i~0#1| 4) (<= c_~N~0 2147483647) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (< |c_ULTIMATE.start_main_~i~0#1| .cse0) (exists ((v_DerPreprocessor_8 Int)) (let ((.cse106 (store (store .cse38 .cse107 v_DerPreprocessor_8) .cse66 .cse11))) (and (= (select .cse106 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (= 5 (select .cse106 .cse34)) (= 3 (select .cse106 .cse35))))) (or .cse2 .cse6 (= .cse5 (select .cse23 .cse4)) .cse7) .cse108)))))))) is different from true [2022-11-25 18:00:38,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:00:46,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:00:47,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:01:17,161 WARN L233 SmtUtils]: Spent 14.57s on a formula simplification. DAG size of input: 129 DAG size of output: 122 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 18:01:20,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2022-11-25 18:01:25,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2022-11-25 18:01:27,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:01:30,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:01:49,928 WARN L233 SmtUtils]: Spent 13.48s on a formula simplification. DAG size of input: 132 DAG size of output: 125 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 18:01:51,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:01:53,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:01:58,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:02:00,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:02:10,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2022-11-25 18:02:18,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:02:21,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:02:23,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:02:28,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:02:30,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:02:32,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:02:33,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:02:35,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:02:38,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:02:38,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:02:38,012 INFO L93 Difference]: Finished difference Result 100 states and 105 transitions. [2022-11-25 18:02:38,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-25 18:02:38,019 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 45 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-25 18:02:38,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:02:38,020 INFO L225 Difference]: With dead ends: 100 [2022-11-25 18:02:38,020 INFO L226 Difference]: Without dead ends: 75 [2022-11-25 18:02:38,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 1711 ImplicationChecksByTransitivity, 389.2s TimeCoverageRelationStatistics Valid=935, Invalid=5381, Unknown=20, NotChecked=636, Total=6972 [2022-11-25 18:02:38,022 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 184 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 125 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 87 IncrementalHoareTripleChecker+Unchecked, 105.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:02:38,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 174 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 593 Invalid, 33 Unknown, 87 Unchecked, 105.9s Time] [2022-11-25 18:02:38,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-25 18:02:38,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 61. [2022-11-25 18:02:38,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.1) internal successors, (66), 60 states have internal predecessors, (66), 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) [2022-11-25 18:02:38,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2022-11-25 18:02:38,051 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 36 [2022-11-25 18:02:38,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:02:38,051 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2022-11-25 18:02:38,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 1.5555555555555556) internal successors, (70), 45 states have internal predecessors, (70), 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) [2022-11-25 18:02:38,052 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2022-11-25 18:02:38,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-25 18:02:38,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:02:38,053 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:02:38,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-25 18:02:38,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-25 18:02:38,260 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:02:38,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:02:38,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1226631488, now seen corresponding path program 10 times [2022-11-25 18:02:38,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:02:38,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635198001] [2022-11-25 18:02:38,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:02:38,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:02:38,281 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 18:02:38,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [101183958] [2022-11-25 18:02:38,282 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 18:02:38,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:02:38,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:02:38,283 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:02:38,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63647ed-a80a-467c-9177-58ea59925ca5/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-25 18:02:40,410 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 18:02:40,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:02:40,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 70 conjunts are in the unsatisfiable core [2022-11-25 18:02:40,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:02:40,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-25 18:02:40,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2022-11-25 18:02:40,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2022-11-25 18:02:40,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-25 18:02:40,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-25 18:02:40,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 62 [2022-11-25 18:02:40,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 100 [2022-11-25 18:02:40,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 17 [2022-11-25 18:02:40,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 111 [2022-11-25 18:02:40,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 182 [2022-11-25 18:02:40,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 41 [2022-11-25 18:02:40,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 136 [2022-11-25 18:02:40,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:40,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 213 [2022-11-25 18:02:41,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 88 [2022-11-25 18:02:41,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 152 [2022-11-25 18:02:41,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 59 [2022-11-25 18:02:41,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 69 [2022-11-25 18:02:41,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 149 [2022-11-25 18:02:41,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 18:02:41,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 198 [2022-11-25 18:02:41,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 199 treesize of output 112 [2022-11-25 18:02:41,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 94 [2022-11-25 18:02:41,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 126 [2022-11-25 18:02:41,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 94 [2022-11-25 18:02:41,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:41,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 126 [2022-11-25 18:02:42,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:42,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:42,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:42,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:42,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 50 [2022-11-25 18:02:42,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 94 [2022-11-25 18:02:42,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:42,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:42,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:42,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:42,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 126 [2022-11-25 18:02:42,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:42,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:42,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:42,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:42,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 36 [2022-11-25 18:02:42,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:42,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 18:02:42,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 78 [2022-11-25 18:02:42,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 40 [2022-11-25 18:02:42,906 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:02:42,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:04:07,566 WARN L233 SmtUtils]: Spent 40.68s on a formula simplification. DAG size of input: 127 DAG size of output: 110 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 18:04:28,340 WARN L233 SmtUtils]: Spent 7.14s on a formula simplification that was a NOOP. DAG size: 110 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 18:06:03,063 WARN L233 SmtUtils]: Spent 46.26s on a formula simplification that was a NOOP. DAG size: 145 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 18:06:07,510 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse21 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse16 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse34 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse35 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse29 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296)) (.cse22 (<= .cse35 2147483647)) (.cse30 (* .cse34 8)) (.cse31 (* .cse16 8)) (.cse32 (* 8 .cse21)) (.cse33 (* .cse35 8)) (.cse17 (<= .cse34 2147483647))) (let ((.cse18 (not .cse17)) (.cse24 (+ .cse33 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ .cse32 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (+ (- 34359738368) .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (+ .cse30 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse3 (+ c_~N~0 2)) (.cse6 (+ .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse15 (+ .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse20 (+ .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse1 (not .cse22)) (.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse25 (* .cse29 8)) (.cse0 (<= .cse29 2147483647))) (and (or (not .cse0) (let ((.cse10 (+ 2 (select .cse5 (+ .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or .cse1 (let ((.cse2 (<= .cse21 2147483647))) (and (or .cse2 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_821 Int)) (or (= .cse3 (let ((.cse4 (store (store (store (store .cse5 .cse6 v_ArrVal_816) .cse7 v_ArrVal_817) .cse8 v_ArrVal_819) .cse9 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse4) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse4 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (not (<= .cse10 v_ArrVal_816))))) (or (not .cse2) (and (or (let ((.cse11 (<= .cse16 2147483647))) (and (or .cse11 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_821 Int)) (or (= .cse3 (let ((.cse12 (store (store (store (store .cse5 .cse6 v_ArrVal_816) .cse13 v_ArrVal_817) .cse8 v_ArrVal_819) .cse9 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse12) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse12 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (not (<= .cse10 v_ArrVal_816))))) (or (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_821 Int)) (or (= .cse3 (let ((.cse14 (store (store (store (store .cse5 .cse6 v_ArrVal_816) .cse13 v_ArrVal_817) .cse15 v_ArrVal_819) .cse9 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse14) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse14 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (not (<= .cse10 v_ArrVal_816)))) (not .cse11)))) .cse17) (or .cse18 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_821 Int)) (or (= .cse3 (let ((.cse19 (store (store (store (store .cse5 .cse6 v_ArrVal_816) .cse13 v_ArrVal_817) .cse15 v_ArrVal_819) .cse20 v_ArrVal_821))) (+ (select .cse19 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse19) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (not (<= .cse10 v_ArrVal_816)))))))))) (or .cse22 (forall ((v_ArrVal_816 Int)) (or (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (= .cse3 (let ((.cse23 (store (store (store (store .cse5 .cse24 v_ArrVal_816) .cse7 v_ArrVal_817) .cse8 v_ArrVal_819) .cse9 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse23) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)))) (not (<= .cse10 v_ArrVal_816)))))))) (or (let ((.cse26 (+ 2 (select .cse5 (+ .cse25 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))))) (and (or .cse22 (and .cse18 (forall ((v_ArrVal_816 Int)) (or (not (<= .cse26 v_ArrVal_816)) (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (= .cse3 (let ((.cse27 (store (store (store (store .cse5 .cse24 v_ArrVal_816) .cse7 v_ArrVal_817) .cse8 v_ArrVal_819) .cse9 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)))))))) (or (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_821 Int)) (or (= .cse3 (let ((.cse28 (store (store (store (store .cse5 .cse6 v_ArrVal_816) .cse13 v_ArrVal_817) .cse15 v_ArrVal_819) .cse20 v_ArrVal_821))) (+ (select .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (not (<= .cse26 v_ArrVal_816)))) .cse1))) .cse0))))) is different from true [2022-11-25 18:06:13,468 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse28 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse35 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse26 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse34 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse9 (<= .cse34 2147483647)) (.cse31 (* .cse26 8)) (.cse30 (* .cse35 8)) (.cse27 (<= .cse35 2147483647)) (.cse32 (* 8 .cse28)) (.cse33 (* .cse34 8)) (.cse29 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse17 (<= .cse29 2147483647)) (.cse12 (+ .cse33 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ .cse32 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (not .cse27)) (.cse6 (+ .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse5 (+ .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ c_~N~0 2)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse3 (+ .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse4 (+ .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse14 (+ (- 34359738368) .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse15 (+ .cse30 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (not .cse9)) (.cse16 (* .cse29 8))) (and (or (let ((.cse2 (+ .cse16 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_813 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_813 2) v_ArrVal_816)) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (= (let ((.cse0 (store (store (store (store (store .cse1 .cse2 v_ArrVal_813) .cse3 v_ArrVal_816) .cse4 v_ArrVal_817) .cse5 v_ArrVal_819) .cse6 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse0) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse0 |c_ULTIMATE.start_main_~b~0#1.offset|))) .cse7))) .cse8) (or .cse9 (and .cse10 (forall ((v_ArrVal_816 Int) (v_ArrVal_813 Int)) (or (not (<= (+ v_ArrVal_813 2) v_ArrVal_816)) (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (= (let ((.cse11 (store (store (store (store (store .cse1 .cse2 v_ArrVal_813) .cse12 v_ArrVal_816) .cse13 v_ArrVal_817) .cse14 v_ArrVal_819) .cse15 v_ArrVal_821))) (+ (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse11) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse7))))))))) .cse17) (or (not .cse17) (let ((.cse19 (+ .cse16 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or .cse9 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_813 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_813 2) v_ArrVal_816)) (= .cse7 (let ((.cse18 (store (store (store (store (store .cse1 .cse19 v_ArrVal_813) .cse12 v_ArrVal_816) .cse13 v_ArrVal_817) .cse14 v_ArrVal_819) .cse15 v_ArrVal_821))) (+ (select .cse18 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse18) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817))))) (or (let ((.cse20 (<= .cse28 2147483647))) (and (or .cse20 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_813 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_813 2) v_ArrVal_816)) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (= .cse7 (let ((.cse21 (store (store (store (store (store .cse1 .cse19 v_ArrVal_813) .cse3 v_ArrVal_816) .cse13 v_ArrVal_817) .cse14 v_ArrVal_819) .cse15 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse21) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse21 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (not .cse20) (and (or .cse10 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_813 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_813 2) v_ArrVal_816)) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (= .cse7 (let ((.cse22 (store (store (store (store (store .cse1 .cse19 v_ArrVal_813) .cse3 v_ArrVal_816) .cse4 v_ArrVal_817) .cse5 v_ArrVal_819) .cse6 v_ArrVal_821))) (+ (select .cse22 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse22) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))))) (or (let ((.cse24 (<= .cse26 2147483647))) (and (or (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_813 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_813 2) v_ArrVal_816)) (= .cse7 (let ((.cse23 (store (store (store (store (store .cse1 .cse19 v_ArrVal_813) .cse3 v_ArrVal_816) .cse4 v_ArrVal_817) .cse5 v_ArrVal_819) .cse15 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse23) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)))) (not .cse24)) (or .cse24 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_813 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_813 2) v_ArrVal_816)) (= .cse7 (let ((.cse25 (store (store (store (store (store .cse1 .cse19 v_ArrVal_813) .cse3 v_ArrVal_816) .cse4 v_ArrVal_817) .cse14 v_ArrVal_819) .cse15 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse25) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817))))))) .cse27))))) .cse8)))))))) is different from true [2022-11-25 18:06:13,495 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 41 refuted. 2 times theorem prover too weak. 0 trivial. 9 not checked. [2022-11-25 18:06:13,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:06:13,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635198001] [2022-11-25 18:06:13,496 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 18:06:13,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101183958] [2022-11-25 18:06:13,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101183958] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:06:13,496 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:06:13,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 25] total 41 [2022-11-25 18:06:13,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116581200] [2022-11-25 18:06:13,497 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:06:13,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-11-25 18:06:13,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:06:13,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-25 18:06:13,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=1219, Unknown=28, NotChecked=150, Total=1640 [2022-11-25 18:06:13,502 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand has 41 states, 41 states have (on average 1.6097560975609757) internal successors, (66), 41 states have internal predecessors, (66), 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) [2022-11-25 18:06:18,495 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse28 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse35 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 4) 4294967296)) (.cse26 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse34 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296))) (let ((.cse9 (<= .cse34 2147483647)) (.cse31 (* .cse26 8)) (.cse30 (* .cse35 8)) (.cse27 (<= .cse35 2147483647)) (.cse32 (* 8 .cse28)) (.cse33 (* .cse34 8)) (.cse29 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse17 (<= .cse29 2147483647)) (.cse12 (+ .cse33 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse13 (+ .cse32 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse10 (not .cse27)) (.cse6 (+ .cse30 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse5 (+ .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ c_~N~0 2)) (.cse3 (+ .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse4 (+ .cse32 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse14 (+ (- 34359738368) .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse15 (+ .cse30 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse8 (not .cse9)) (.cse16 (* .cse29 8)) (.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|))) (and (= (+ c_~N~0 1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) (or (let ((.cse2 (+ .cse16 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_813 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_813 2) v_ArrVal_816)) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (= (let ((.cse0 (store (store (store (store (store .cse1 .cse2 v_ArrVal_813) .cse3 v_ArrVal_816) .cse4 v_ArrVal_817) .cse5 v_ArrVal_819) .cse6 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse0) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse0 |c_ULTIMATE.start_main_~b~0#1.offset|))) .cse7))) .cse8) (or .cse9 (and .cse10 (forall ((v_ArrVal_816 Int) (v_ArrVal_813 Int)) (or (not (<= (+ v_ArrVal_813 2) v_ArrVal_816)) (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (= (let ((.cse11 (store (store (store (store (store .cse1 .cse2 v_ArrVal_813) .cse12 v_ArrVal_816) .cse13 v_ArrVal_817) .cse14 v_ArrVal_819) .cse15 v_ArrVal_821))) (+ (select .cse11 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse11) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse7))))))))) .cse17) (or (not .cse17) (let ((.cse19 (+ .cse16 |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (or .cse9 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_813 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_813 2) v_ArrVal_816)) (= .cse7 (let ((.cse18 (store (store (store (store (store .cse1 .cse19 v_ArrVal_813) .cse12 v_ArrVal_816) .cse13 v_ArrVal_817) .cse14 v_ArrVal_819) .cse15 v_ArrVal_821))) (+ (select .cse18 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse18) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817))))) (or (let ((.cse20 (<= .cse28 2147483647))) (and (or .cse20 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_813 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_813 2) v_ArrVal_816)) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (= .cse7 (let ((.cse21 (store (store (store (store (store .cse1 .cse19 v_ArrVal_813) .cse3 v_ArrVal_816) .cse13 v_ArrVal_817) .cse14 v_ArrVal_819) .cse15 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse21) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse21 |c_ULTIMATE.start_main_~b~0#1.offset|))))))) (or (not .cse20) (and (or .cse10 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_813 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_813 2) v_ArrVal_816)) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (= .cse7 (let ((.cse22 (store (store (store (store (store .cse1 .cse19 v_ArrVal_813) .cse3 v_ArrVal_816) .cse4 v_ArrVal_817) .cse5 v_ArrVal_819) .cse6 v_ArrVal_821))) (+ (select .cse22 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse22) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))))) (or (let ((.cse24 (<= .cse26 2147483647))) (and (or (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_813 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_813 2) v_ArrVal_816)) (= .cse7 (let ((.cse23 (store (store (store (store (store .cse1 .cse19 v_ArrVal_813) .cse3 v_ArrVal_816) .cse4 v_ArrVal_817) .cse5 v_ArrVal_819) .cse15 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse23) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)))) (not .cse24)) (or .cse24 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_813 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_813 2) v_ArrVal_816)) (= .cse7 (let ((.cse25 (store (store (store (store (store .cse1 .cse19 v_ArrVal_813) .cse3 v_ArrVal_816) .cse4 v_ArrVal_817) .cse14 v_ArrVal_819) .cse15 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse25) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817))))))) .cse27))))) .cse8)))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select .cse1 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (= |c_ULTIMATE.start_main_~i~0#1| 1))))) is different from true [2022-11-25 18:06:22,596 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse53 (mod (+ 3 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse52 (mod (+ 4294967295 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse54 (mod (+ 2 |c_ULTIMATE.start_main_~i~0#1|) 4294967296)) (.cse55 (mod (+ |c_ULTIMATE.start_main_~i~0#1| 1) 4294967296)) (.cse56 (mod |c_ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse48 (* .cse56 8)) (.cse10 (<= .cse56 2147483647)) (.cse47 (* .cse55 8)) (.cse22 (<= .cse55 2147483647)) (.cse49 (* 8 .cse54)) (.cse29 (<= .cse54 2147483647)) (.cse0 (<= .cse52 2147483647)) (.cse26 (<= .cse53 2147483647)) (.cse51 (* .cse53 8)) (.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base|)) (.cse50 (* 8 .cse52))) (let ((.cse1 (+ (select .cse4 (+ (- 34359738368) .cse50 |c_ULTIMATE.start_main_~b~0#1.offset|)) 2)) (.cse16 (+ .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse9 (not .cse26)) (.cse8 (+ (- 34359738368) .cse51 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse32 (not .cse0)) (.cse17 (not .cse29)) (.cse15 (+ .cse49 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse34 (+ 2 (select .cse4 (+ .cse50 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (.cse30 (select .cse4 (+ 16 |c_ULTIMATE.start_main_~b~0#1.offset|))) (.cse20 (not .cse22)) (.cse14 (+ .cse47 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse7 (+ .cse49 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse11 (not .cse10)) (.cse13 (+ .cse48 |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse2 (+ c_~N~0 2)) (.cse5 (+ .cse48 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|)) (.cse6 (+ .cse47 (- 34359738368) |c_ULTIMATE.start_main_~b~0#1.offset|))) (and (= (+ c_~N~0 1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)) (or .cse0 (and (or (and (forall ((v_ArrVal_816 Int)) (or (not (<= .cse1 v_ArrVal_816)) (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (= .cse2 (let ((.cse3 (store (store (store (store .cse4 .cse5 v_ArrVal_816) .cse6 v_ArrVal_817) .cse7 v_ArrVal_819) .cse8 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse3) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse3 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)))))) .cse9) .cse10) (or .cse11 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (not (<= .cse1 v_ArrVal_816)) (= .cse2 (let ((.cse12 (store (store (store (store .cse4 .cse13 v_ArrVal_816) .cse14 v_ArrVal_817) .cse15 v_ArrVal_819) .cse16 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse12) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse12 |c_ULTIMATE.start_main_~b~0#1.offset|))))))))) (or .cse17 (forall ((v_ArrVal_819 Int) (v_ArrVal_821 Int)) (= .cse2 (let ((.cse18 (store (store .cse4 .cse14 v_ArrVal_819) .cse15 v_ArrVal_821))) (+ (select .cse18 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse18) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (or (forall ((v_ArrVal_819 Int) (v_ArrVal_821 Int)) (= .cse2 (let ((.cse19 (store (store .cse4 .cse13 v_ArrVal_819) .cse14 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse19) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse19 |c_ULTIMATE.start_main_~b~0#1.offset|))))) .cse20) (or (and .cse17 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (not (<= .cse1 v_ArrVal_817)) (= .cse2 (let ((.cse21 (store (store (store .cse4 .cse5 v_ArrVal_817) .cse6 v_ArrVal_819) .cse7 v_ArrVal_821))) (+ (select .cse21 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse21) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))))) .cse0) (or .cse11 (let ((.cse24 (+ 2 (select .cse4 .cse13)))) (and (or .cse22 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (= .cse2 (let ((.cse23 (store (store (store .cse4 .cse6 v_ArrVal_817) .cse7 v_ArrVal_819) .cse8 v_ArrVal_821))) (+ (select .cse23 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse23) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= .cse24 v_ArrVal_817))))) (or (and (or (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (not (<= .cse24 v_ArrVal_817)) (= .cse2 (let ((.cse25 (store (store (store .cse4 .cse14 v_ArrVal_817) .cse15 v_ArrVal_819) .cse16 v_ArrVal_821))) (+ (select .cse25 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse25) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))))) .cse9) (or .cse26 (and (or .cse17 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (= .cse2 (let ((.cse27 (store (store (store .cse4 .cse14 v_ArrVal_817) .cse15 v_ArrVal_819) .cse8 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse27) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse27 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= .cse24 v_ArrVal_817))))) (or (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (= .cse2 (let ((.cse28 (store (store (store .cse4 .cse14 v_ArrVal_817) .cse7 v_ArrVal_819) .cse8 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse28) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse28 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= .cse24 v_ArrVal_817)))) .cse29)))) .cse20)))) (= 0 |c_ULTIMATE.start_main_~b~0#1.offset|) (= (select .cse4 |c_ULTIMATE.start_main_~b~0#1.offset|) 1) (<= (+ 2 (select .cse4 (+ 8 |c_ULTIMATE.start_main_~b~0#1.offset|))) .cse30) (not (= |c_ULTIMATE.start_main_~b~0#1.base| |c_ULTIMATE.start_main_~a~0#1.base|)) (or (and (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (= .cse2 (let ((.cse31 (store (store (store .cse4 .cse6 v_ArrVal_817) .cse7 v_ArrVal_819) .cse8 v_ArrVal_821))) (+ (select .cse31 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse31) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= (+ 2 (select .cse4 .cse5)) v_ArrVal_817)))) .cse9) .cse10) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (or .cse32 (and (or .cse10 (forall ((v_ArrVal_816 Int)) (or (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (= .cse2 (let ((.cse33 (store (store (store (store .cse4 .cse5 v_ArrVal_816) .cse6 v_ArrVal_817) .cse7 v_ArrVal_819) .cse8 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse33) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse33 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)))) (not (<= .cse34 v_ArrVal_816))))) (or .cse11 (and (or .cse22 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (= (let ((.cse35 (store (store (store (store .cse4 .cse13 v_ArrVal_816) .cse6 v_ArrVal_817) .cse7 v_ArrVal_819) .cse8 v_ArrVal_821))) (+ (select .cse35 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse35) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))) .cse2) (not (<= .cse34 v_ArrVal_816))))) (or (and (or (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (= .cse2 (let ((.cse36 (store (store (store (store .cse4 .cse13 v_ArrVal_816) .cse14 v_ArrVal_817) .cse15 v_ArrVal_819) .cse16 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse36) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse36 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= .cse34 v_ArrVal_816)))) .cse9) (or (and (or .cse29 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (= .cse2 (let ((.cse37 (store (store (store (store .cse4 .cse13 v_ArrVal_816) .cse14 v_ArrVal_817) .cse7 v_ArrVal_819) .cse8 v_ArrVal_821))) (+ (select .cse37 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse37) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= .cse34 v_ArrVal_816))))) (or .cse17 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_816 Int) (v_ArrVal_821 Int)) (or (not (<= (+ v_ArrVal_816 2) v_ArrVal_817)) (= .cse2 (let ((.cse38 (store (store (store (store .cse4 .cse13 v_ArrVal_816) .cse14 v_ArrVal_817) .cse15 v_ArrVal_819) .cse8 v_ArrVal_821))) (+ (select .cse38 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse38) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))) (not (<= .cse34 v_ArrVal_816)))))) .cse26)) .cse20))))) (or .cse32 (and (or (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (not (<= .cse34 v_ArrVal_817)) (= .cse2 (let ((.cse39 (store (store (store .cse4 .cse5 v_ArrVal_817) .cse6 v_ArrVal_819) .cse7 v_ArrVal_821))) (+ (select .cse39 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse39) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))))) .cse10) (or .cse11 (and (or .cse17 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (= .cse2 (let ((.cse40 (store (store (store .cse4 .cse13 v_ArrVal_817) .cse14 v_ArrVal_819) .cse15 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse40) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse40 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= .cse34 v_ArrVal_817))))) (or (and (or (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (= .cse2 (let ((.cse41 (store (store (store .cse4 .cse13 v_ArrVal_817) .cse14 v_ArrVal_819) .cse7 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse41) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse41 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= .cse34 v_ArrVal_817)))) .cse20) (or .cse22 (forall ((v_ArrVal_819 Int) (v_ArrVal_817 Int) (v_ArrVal_821 Int)) (or (= .cse2 (let ((.cse42 (store (store (store .cse4 .cse13 v_ArrVal_817) .cse6 v_ArrVal_819) .cse7 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse42) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse42 |c_ULTIMATE.start_main_~b~0#1.offset|)))) (not (<= .cse34 v_ArrVal_817)))))) .cse29))))) (<= (+ .cse30 2) (select .cse4 (+ 24 |c_ULTIMATE.start_main_~b~0#1.offset|))) (or (and (or .cse20 (forall ((v_ArrVal_819 Int) (v_ArrVal_821 Int)) (= .cse2 (let ((.cse43 (store (store .cse4 .cse14 v_ArrVal_819) .cse7 v_ArrVal_821))) (+ (select .cse43 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse43) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|)))))) (or .cse22 (forall ((v_ArrVal_819 Int) (v_ArrVal_821 Int)) (= .cse2 (let ((.cse44 (store (store .cse4 .cse6 v_ArrVal_819) .cse7 v_ArrVal_821))) (+ (select .cse44 |c_ULTIMATE.start_main_~b~0#1.offset|) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse44) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|))))))) .cse29) (or .cse22 (and (or .cse11 (forall ((v_ArrVal_819 Int) (v_ArrVal_821 Int)) (= .cse2 (let ((.cse45 (store (store .cse4 .cse13 v_ArrVal_819) .cse6 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse45) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse45 |c_ULTIMATE.start_main_~b~0#1.offset|)))))) (or .cse10 (forall ((v_ArrVal_819 Int) (v_ArrVal_821 Int)) (= .cse2 (let ((.cse46 (store (store .cse4 .cse5 v_ArrVal_819) .cse6 v_ArrVal_821))) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~b~0#1.base| .cse46) |c_ULTIMATE.start_main_~a~0#1.base|) |c_ULTIMATE.start_main_~a~0#1.offset|) (select .cse46 |c_ULTIMATE.start_main_~b~0#1.offset|)))))))))))) is different from true [2022-11-25 18:07:36,696 WARN L233 SmtUtils]: Spent 1.00m on a formula simplification. DAG size of input: 141 DAG size of output: 131 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 18:07:38,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:07:41,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]