./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/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_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8f561bb39ee57b07ab3831dd4ee3a1e439959bee7f69e1cabc2315100876031b --- 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 17:18:56,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:18:56,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:18:56,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:18:56,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:18:56,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:18:56,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:18:56,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:18:56,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:18:56,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:18:56,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:18:56,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:18:56,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:18:56,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:18:56,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:18:56,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:18:56,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:18:56,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:18:56,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:18:56,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:18:56,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:18:56,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:18:56,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:18:56,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:18:56,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:18:56,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:18:56,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:18:56,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:18:56,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:18:56,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:18:56,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:18:56,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:18:56,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:18:56,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:18:56,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:18:56,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:18:56,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:18:56,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:18:56,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:18:56,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:18:56,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:18:56,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:18:56,856 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:18:56,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:18:56,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:18:56,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:18:56,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:18:56,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:18:56,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:18:56,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:18:56,860 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:18:56,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:18:56,861 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:18:56,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:18:56,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:18:56,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:18:56,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:18:56,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:18:56,862 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:18:56,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:18:56,863 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:18:56,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:18:56,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:18:56,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:18:56,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:18:56,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:18:56,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:18:56,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:18:56,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:18:56,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:18:56,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:18:56,866 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:18:56,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:18:56,866 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:18:56,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:18:56,867 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_44f0fe35-19f5-43f7-a4a4-18522f380bb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f561bb39ee57b07ab3831dd4ee3a1e439959bee7f69e1cabc2315100876031b [2022-11-25 17:18:57,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:18:57,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:18:57,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:18:57,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:18:57,158 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:18:57,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i [2022-11-25 17:19:00,267 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:19:00,570 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:19:00,575 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/sv-benchmarks/c/termination-memory-alloca/b.10-alloca.i [2022-11-25 17:19:00,589 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/data/71fb461a4/dce1b7202f8e40348063feb69abaed98/FLAG8cfea12e3 [2022-11-25 17:19:00,607 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/data/71fb461a4/dce1b7202f8e40348063feb69abaed98 [2022-11-25 17:19:00,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:19:00,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:19:00,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:19:00,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:19:00,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:19:00,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:00" (1/1) ... [2022-11-25 17:19:00,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dffef14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:00, skipping insertion in model container [2022-11-25 17:19:00,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:00" (1/1) ... [2022-11-25 17:19:00,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:19:00,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:19:00,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:19:00,975 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:19:01,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:19:01,052 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:19:01,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:01 WrapperNode [2022-11-25 17:19:01,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:19:01,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:19:01,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:19:01,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:19:01,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:01" (1/1) ... [2022-11-25 17:19:01,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:01" (1/1) ... [2022-11-25 17:19:01,107 INFO L138 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2022-11-25 17:19:01,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:19:01,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:19:01,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:19:01,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:19:01,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:01" (1/1) ... [2022-11-25 17:19:01,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:01" (1/1) ... [2022-11-25 17:19:01,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:01" (1/1) ... [2022-11-25 17:19:01,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:01" (1/1) ... [2022-11-25 17:19:01,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:01" (1/1) ... [2022-11-25 17:19:01,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:01" (1/1) ... [2022-11-25 17:19:01,153 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:01" (1/1) ... [2022-11-25 17:19:01,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:01" (1/1) ... [2022-11-25 17:19:01,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:19:01,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:19:01,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:19:01,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:19:01,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:01" (1/1) ... [2022-11-25 17:19:01,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:19:01,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:01,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:19:01,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:19:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:19:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:19:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:19:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:19:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:19:01,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:19:01,340 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:19:01,342 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:19:01,539 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:19:01,546 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:19:01,546 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:19:01,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:01 BoogieIcfgContainer [2022-11-25 17:19:01,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:19:01,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:19:01,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:19:01,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:19:01,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:19:00" (1/3) ... [2022-11-25 17:19:01,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bec7e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:19:01, skipping insertion in model container [2022-11-25 17:19:01,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:01" (2/3) ... [2022-11-25 17:19:01,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bec7e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:19:01, skipping insertion in model container [2022-11-25 17:19:01,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:01" (3/3) ... [2022-11-25 17:19:01,558 INFO L112 eAbstractionObserver]: Analyzing ICFG b.10-alloca.i [2022-11-25 17:19:01,577 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:19:01,578 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-25 17:19:01,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:19:01,637 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;@6cfbc084, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:19:01,637 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-25 17:19:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 27 states have (on average 1.6666666666666667) internal successors, (45), 37 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 17:19:01,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 17:19:01,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:01,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 17:19:01,649 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:01,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:01,655 INFO L85 PathProgramCache]: Analyzing trace with hash 28695781, now seen corresponding path program 1 times [2022-11-25 17:19:01,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:01,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255153364] [2022-11-25 17:19:01,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:01,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:02,690 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 17:19:02,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:02,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255153364] [2022-11-25 17:19:02,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255153364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:02,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:02,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:19:02,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234843717] [2022-11-25 17:19:02,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:02,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:19:02,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:02,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:19:02,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:02,758 INFO L87 Difference]: Start difference. First operand has 38 states, 27 states have (on average 1.6666666666666667) internal successors, (45), 37 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) Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 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 17:19:02,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:02,901 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2022-11-25 17:19:02,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:19:02,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 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 5 [2022-11-25 17:19:02,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:02,922 INFO L225 Difference]: With dead ends: 58 [2022-11-25 17:19:02,922 INFO L226 Difference]: Without dead ends: 47 [2022-11-25 17:19:02,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:19:02,932 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 97 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:02,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 70 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:02,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-25 17:19:02,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 32. [2022-11-25 17:19:02,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 31 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 17:19:02,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2022-11-25 17:19:02,970 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 5 [2022-11-25 17:19:02,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:02,970 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-11-25 17:19:02,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 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 17:19:02,971 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-11-25 17:19:02,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 17:19:02,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:02,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 17:19:02,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:19:02,972 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:02,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:02,974 INFO L85 PathProgramCache]: Analyzing trace with hash 889569255, now seen corresponding path program 1 times [2022-11-25 17:19:02,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:02,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848003070] [2022-11-25 17:19:02,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:02,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:03,048 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 17:19:03,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:03,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848003070] [2022-11-25 17:19:03,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848003070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:03,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:03,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:19:03,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422698033] [2022-11-25 17:19:03,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:03,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:19:03,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:03,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:19:03,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:19:03,052 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 17:19:03,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:03,105 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2022-11-25 17:19:03,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:19:03,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6 [2022-11-25 17:19:03,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:03,107 INFO L225 Difference]: With dead ends: 47 [2022-11-25 17:19:03,107 INFO L226 Difference]: Without dead ends: 46 [2022-11-25 17:19:03,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:03,109 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 38 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:03,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 94 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:19:03,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-25 17:19:03,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 31. [2022-11-25 17:19:03,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.608695652173913) internal successors, (37), 30 states have internal predecessors, (37), 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 17:19:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2022-11-25 17:19:03,115 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 6 [2022-11-25 17:19:03,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:03,116 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2022-11-25 17:19:03,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 17:19:03,116 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2022-11-25 17:19:03,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 17:19:03,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:03,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:03,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:19:03,118 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:03,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:03,119 INFO L85 PathProgramCache]: Analyzing trace with hash 183292466, now seen corresponding path program 1 times [2022-11-25 17:19:03,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:03,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476093341] [2022-11-25 17:19:03,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:03,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:03,202 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 17:19:03,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:03,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476093341] [2022-11-25 17:19:03,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476093341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:03,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:03,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:19:03,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585636043] [2022-11-25 17:19:03,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:03,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:19:03,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:03,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:19:03,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:03,206 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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 17:19:03,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:03,316 INFO L93 Difference]: Finished difference Result 68 states and 81 transitions. [2022-11-25 17:19:03,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:19:03,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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 8 [2022-11-25 17:19:03,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:03,318 INFO L225 Difference]: With dead ends: 68 [2022-11-25 17:19:03,319 INFO L226 Difference]: Without dead ends: 67 [2022-11-25 17:19:03,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:19:03,321 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 42 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:03,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 102 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:03,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-25 17:19:03,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 48. [2022-11-25 17:19:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 40 states have (on average 1.575) internal successors, (63), 47 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:19:03,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 63 transitions. [2022-11-25 17:19:03,330 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 63 transitions. Word has length 8 [2022-11-25 17:19:03,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:03,331 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 63 transitions. [2022-11-25 17:19:03,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 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 17:19:03,331 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-25 17:19:03,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 17:19:03,332 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:03,332 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:03,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:19:03,333 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:03,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:03,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1387049590, now seen corresponding path program 1 times [2022-11-25 17:19:03,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:03,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171244349] [2022-11-25 17:19:03,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:03,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:03,441 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 17:19:03,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:03,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171244349] [2022-11-25 17:19:03,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171244349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:03,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:03,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:19:03,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048404646] [2022-11-25 17:19:03,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:03,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:19:03,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:03,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:19:03,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:19:03,446 INFO L87 Difference]: Start difference. First operand 48 states and 63 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 17:19:03,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:03,504 INFO L93 Difference]: Finished difference Result 108 states and 141 transitions. [2022-11-25 17:19:03,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:19:03,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-11-25 17:19:03,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:03,506 INFO L225 Difference]: With dead ends: 108 [2022-11-25 17:19:03,506 INFO L226 Difference]: Without dead ends: 62 [2022-11-25 17:19:03,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:03,509 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 27 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:03,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 89 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:19:03,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-25 17:19:03,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 50. [2022-11-25 17:19:03,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.5476190476190477) internal successors, (65), 49 states have internal predecessors, (65), 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 17:19:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 65 transitions. [2022-11-25 17:19:03,516 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 65 transitions. Word has length 9 [2022-11-25 17:19:03,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:03,517 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 65 transitions. [2022-11-25 17:19:03,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 17:19:03,517 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2022-11-25 17:19:03,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 17:19:03,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:03,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:03,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:19:03,519 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:03,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:03,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1387099210, now seen corresponding path program 1 times [2022-11-25 17:19:03,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:03,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369534284] [2022-11-25 17:19:03,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:03,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:03,854 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 17:19:03,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:03,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369534284] [2022-11-25 17:19:03,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369534284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:03,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:03,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:19:03,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136603890] [2022-11-25 17:19:03,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:03,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:19:03,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:03,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:19:03,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:03,859 INFO L87 Difference]: Start difference. First operand 50 states and 65 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 17:19:03,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:03,958 INFO L93 Difference]: Finished difference Result 112 states and 146 transitions. [2022-11-25 17:19:03,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:19:03,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2022-11-25 17:19:03,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:03,964 INFO L225 Difference]: With dead ends: 112 [2022-11-25 17:19:03,964 INFO L226 Difference]: Without dead ends: 111 [2022-11-25 17:19:03,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:19:03,973 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 40 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:03,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 97 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:03,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-11-25 17:19:03,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2022-11-25 17:19:03,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 78 states have (on average 1.5128205128205128) internal successors, (118), 85 states have internal predecessors, (118), 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 17:19:03,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 118 transitions. [2022-11-25 17:19:03,986 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 118 transitions. Word has length 9 [2022-11-25 17:19:03,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:03,987 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 118 transitions. [2022-11-25 17:19:03,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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 17:19:03,987 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2022-11-25 17:19:03,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 17:19:03,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:03,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:03,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:19:03,989 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:03,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:03,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1159982034, now seen corresponding path program 1 times [2022-11-25 17:19:03,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:03,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053816300] [2022-11-25 17:19:03,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:03,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:04,079 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 17:19:04,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:04,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053816300] [2022-11-25 17:19:04,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053816300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:04,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:04,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:19:04,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979967677] [2022-11-25 17:19:04,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:04,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:19:04,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:04,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:19:04,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:04,085 INFO L87 Difference]: Start difference. First operand 86 states and 118 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 17:19:04,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:04,187 INFO L93 Difference]: Finished difference Result 241 states and 331 transitions. [2022-11-25 17:19:04,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:19:04,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 10 [2022-11-25 17:19:04,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:04,191 INFO L225 Difference]: With dead ends: 241 [2022-11-25 17:19:04,191 INFO L226 Difference]: Without dead ends: 157 [2022-11-25 17:19:04,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:19:04,194 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 56 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:04,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 109 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:04,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-25 17:19:04,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 60. [2022-11-25 17:19:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 53 states have (on average 1.490566037735849) internal successors, (79), 59 states have internal predecessors, (79), 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 17:19:04,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 79 transitions. [2022-11-25 17:19:04,203 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 79 transitions. Word has length 10 [2022-11-25 17:19:04,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:04,204 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 79 transitions. [2022-11-25 17:19:04,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 17:19:04,204 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2022-11-25 17:19:04,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:19:04,205 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:04,205 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:04,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:19:04,205 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:04,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:04,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1568206898, now seen corresponding path program 1 times [2022-11-25 17:19:04,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:04,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356954093] [2022-11-25 17:19:04,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:04,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:04,290 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 17:19:04,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:04,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356954093] [2022-11-25 17:19:04,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356954093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:04,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:04,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:19:04,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069494738] [2022-11-25 17:19:04,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:04,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:19:04,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:04,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:19:04,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:04,294 INFO L87 Difference]: Start difference. First operand 60 states and 79 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 17:19:04,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:04,342 INFO L93 Difference]: Finished difference Result 132 states and 173 transitions. [2022-11-25 17:19:04,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:19:04,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2022-11-25 17:19:04,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:04,346 INFO L225 Difference]: With dead ends: 132 [2022-11-25 17:19:04,346 INFO L226 Difference]: Without dead ends: 56 [2022-11-25 17:19:04,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:19:04,350 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 11 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:04,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 115 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:19:04,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-25 17:19:04,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-25 17:19:04,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 55 states have internal predecessors, (68), 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 17:19:04,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 68 transitions. [2022-11-25 17:19:04,365 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 68 transitions. Word has length 11 [2022-11-25 17:19:04,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:04,365 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 68 transitions. [2022-11-25 17:19:04,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 17:19:04,366 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-11-25 17:19:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:19:04,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:04,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:04,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 17:19:04,367 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:04,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:04,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1599754246, now seen corresponding path program 1 times [2022-11-25 17:19:04,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:04,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456440774] [2022-11-25 17:19:04,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:04,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:04,721 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 17:19:04,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:04,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456440774] [2022-11-25 17:19:04,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456440774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:04,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:04,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:19:04,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945906025] [2022-11-25 17:19:04,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:04,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:19:04,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:04,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:19:04,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:19:04,724 INFO L87 Difference]: Start difference. First operand 56 states and 68 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 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 17:19:04,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:04,934 INFO L93 Difference]: Finished difference Result 91 states and 101 transitions. [2022-11-25 17:19:04,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 17:19:04,934 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 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 11 [2022-11-25 17:19:04,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:04,935 INFO L225 Difference]: With dead ends: 91 [2022-11-25 17:19:04,935 INFO L226 Difference]: Without dead ends: 90 [2022-11-25 17:19:04,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-11-25 17:19:04,936 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 102 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:04,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 94 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:04,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-25 17:19:04,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 69. [2022-11-25 17:19:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 68 states have internal predecessors, (84), 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 17:19:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 84 transitions. [2022-11-25 17:19:04,944 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 84 transitions. Word has length 11 [2022-11-25 17:19:04,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:04,944 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 84 transitions. [2022-11-25 17:19:04,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 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 17:19:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2022-11-25 17:19:04,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:19:04,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:04,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:04,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 17:19:04,945 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:04,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:04,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1947225999, now seen corresponding path program 1 times [2022-11-25 17:19:04,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:04,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605118648] [2022-11-25 17:19:04,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:04,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:05,092 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 17:19:05,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:05,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605118648] [2022-11-25 17:19:05,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605118648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:05,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:05,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:19:05,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414900294] [2022-11-25 17:19:05,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:05,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:19:05,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:05,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:19:05,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:19:05,097 INFO L87 Difference]: Start difference. First operand 69 states and 84 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 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 17:19:05,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:05,278 INFO L93 Difference]: Finished difference Result 87 states and 100 transitions. [2022-11-25 17:19:05,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 17:19:05,278 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 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 17:19:05,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:05,279 INFO L225 Difference]: With dead ends: 87 [2022-11-25 17:19:05,279 INFO L226 Difference]: Without dead ends: 86 [2022-11-25 17:19:05,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-25 17:19:05,280 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 63 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:05,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 88 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:05,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-25 17:19:05,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 69. [2022-11-25 17:19:05,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 68 states have internal predecessors, (82), 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 17:19:05,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 82 transitions. [2022-11-25 17:19:05,287 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 82 transitions. Word has length 12 [2022-11-25 17:19:05,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:05,287 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 82 transitions. [2022-11-25 17:19:05,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 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 17:19:05,287 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2022-11-25 17:19:05,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 17:19:05,288 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:05,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:05,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 17:19:05,289 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:05,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:05,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1694214290, now seen corresponding path program 1 times [2022-11-25 17:19:05,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:05,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499700042] [2022-11-25 17:19:05,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:05,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:05,496 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 17:19:05,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:05,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499700042] [2022-11-25 17:19:05,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499700042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:05,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:05,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:19:05,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915126208] [2022-11-25 17:19:05,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:05,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:19:05,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:05,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:19:05,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:19:05,500 INFO L87 Difference]: Start difference. First operand 69 states and 82 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 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 17:19:05,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:05,703 INFO L93 Difference]: Finished difference Result 70 states and 82 transitions. [2022-11-25 17:19:05,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:19:05,704 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 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 13 [2022-11-25 17:19:05,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:05,705 INFO L225 Difference]: With dead ends: 70 [2022-11-25 17:19:05,705 INFO L226 Difference]: Without dead ends: 69 [2022-11-25 17:19:05,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:19:05,707 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 29 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:05,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 113 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:05,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-25 17:19:05,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-11-25 17:19:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 68 states have internal predecessors, (80), 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 17:19:05,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 80 transitions. [2022-11-25 17:19:05,726 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 80 transitions. Word has length 13 [2022-11-25 17:19:05,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:05,726 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 80 transitions. [2022-11-25 17:19:05,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 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 17:19:05,727 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-11-25 17:19:05,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:19:05,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:05,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:05,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 17:19:05,729 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:05,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:05,730 INFO L85 PathProgramCache]: Analyzing trace with hash -981035365, now seen corresponding path program 1 times [2022-11-25 17:19:05,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:05,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266797297] [2022-11-25 17:19:05,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:05,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:06,019 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 17:19:06,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:06,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266797297] [2022-11-25 17:19:06,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266797297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:06,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:06,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:19:06,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879261213] [2022-11-25 17:19:06,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:06,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:19:06,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:06,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:19:06,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:19:06,023 INFO L87 Difference]: Start difference. First operand 69 states and 80 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 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 17:19:06,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:06,192 INFO L93 Difference]: Finished difference Result 108 states and 125 transitions. [2022-11-25 17:19:06,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 17:19:06,193 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 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 17:19:06,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:06,194 INFO L225 Difference]: With dead ends: 108 [2022-11-25 17:19:06,194 INFO L226 Difference]: Without dead ends: 107 [2022-11-25 17:19:06,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2022-11-25 17:19:06,196 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 78 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:06,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 103 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:06,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-25 17:19:06,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 68. [2022-11-25 17:19:06,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 67 states have internal predecessors, (78), 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 17:19:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2022-11-25 17:19:06,212 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 14 [2022-11-25 17:19:06,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:06,212 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2022-11-25 17:19:06,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 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 17:19:06,213 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2022-11-25 17:19:06,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 17:19:06,218 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:06,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:06,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 17:19:06,218 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:06,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:06,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1981516964, now seen corresponding path program 1 times [2022-11-25 17:19:06,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:06,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527743672] [2022-11-25 17:19:06,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:06,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:06,283 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 17:19:06,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:06,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527743672] [2022-11-25 17:19:06,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527743672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:06,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:06,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:19:06,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742972704] [2022-11-25 17:19:06,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:06,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:19:06,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:06,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:19:06,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:06,286 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 17:19:06,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:06,342 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2022-11-25 17:19:06,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:19:06,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 15 [2022-11-25 17:19:06,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:06,344 INFO L225 Difference]: With dead ends: 76 [2022-11-25 17:19:06,344 INFO L226 Difference]: Without dead ends: 75 [2022-11-25 17:19:06,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:19:06,345 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 25 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:06,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 61 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:19:06,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-25 17:19:06,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 69. [2022-11-25 17:19:06,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 63 states have (on average 1.253968253968254) internal successors, (79), 68 states have internal predecessors, (79), 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 17:19:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2022-11-25 17:19:06,350 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 79 transitions. Word has length 15 [2022-11-25 17:19:06,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:06,350 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 79 transitions. [2022-11-25 17:19:06,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 17:19:06,351 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2022-11-25 17:19:06,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 17:19:06,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:06,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:06,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 17:19:06,352 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:06,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:06,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1297483828, now seen corresponding path program 1 times [2022-11-25 17:19:06,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:06,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546469518] [2022-11-25 17:19:06,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:06,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:06,663 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 17:19:06,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:06,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546469518] [2022-11-25 17:19:06,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546469518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:06,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:06,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:19:06,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766710614] [2022-11-25 17:19:06,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:06,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:19:06,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:06,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:19:06,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:19:06,666 INFO L87 Difference]: Start difference. First operand 69 states and 79 transitions. Second operand has 6 states, 5 states have (on average 3.2) 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 17:19:06,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:06,698 INFO L93 Difference]: Finished difference Result 69 states and 79 transitions. [2022-11-25 17:19:06,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:19:06,699 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) 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 17:19:06,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:06,699 INFO L225 Difference]: With dead ends: 69 [2022-11-25 17:19:06,700 INFO L226 Difference]: Without dead ends: 68 [2022-11-25 17:19:06,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 17:19:06,701 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 46 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:06,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 38 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:19:06,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-25 17:19:06,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-25 17:19:06,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 63 states have (on average 1.2380952380952381) internal successors, (78), 67 states have internal predecessors, (78), 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 17:19:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2022-11-25 17:19:06,705 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 16 [2022-11-25 17:19:06,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:06,706 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2022-11-25 17:19:06,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) 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 17:19:06,706 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2022-11-25 17:19:06,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 17:19:06,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:06,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:06,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 17:19:06,707 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:06,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:06,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1297489818, now seen corresponding path program 1 times [2022-11-25 17:19:06,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:06,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168158475] [2022-11-25 17:19:06,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:06,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:06,839 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 17:19:06,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:06,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168158475] [2022-11-25 17:19:06,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168158475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:06,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:06,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 17:19:06,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681845095] [2022-11-25 17:19:06,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:06,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:19:06,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:06,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:19:06,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:19:06,841 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 8 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 17:19:07,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:07,159 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2022-11-25 17:19:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-25 17:19:07,159 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 8 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 17:19:07,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:07,160 INFO L225 Difference]: With dead ends: 122 [2022-11-25 17:19:07,160 INFO L226 Difference]: Without dead ends: 121 [2022-11-25 17:19:07,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:19:07,161 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 65 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:07,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 156 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:07,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-25 17:19:07,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 67. [2022-11-25 17:19:07,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 63 states have (on average 1.2222222222222223) internal successors, (77), 66 states have internal predecessors, (77), 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 17:19:07,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 77 transitions. [2022-11-25 17:19:07,166 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 77 transitions. Word has length 16 [2022-11-25 17:19:07,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:07,166 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 77 transitions. [2022-11-25 17:19:07,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 8 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 17:19:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2022-11-25 17:19:07,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 17:19:07,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:07,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:07,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 17:19:07,167 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:07,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:07,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1227971096, now seen corresponding path program 1 times [2022-11-25 17:19:07,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:07,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521604157] [2022-11-25 17:19:07,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:07,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:07,241 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 17:19:07,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:07,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521604157] [2022-11-25 17:19:07,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521604157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:07,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:07,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:19:07,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227798602] [2022-11-25 17:19:07,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:07,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:19:07,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:07,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:19:07,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:07,244 INFO L87 Difference]: Start difference. First operand 67 states and 77 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 17:19:07,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:07,295 INFO L93 Difference]: Finished difference Result 136 states and 157 transitions. [2022-11-25 17:19:07,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:19:07,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2022-11-25 17:19:07,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:07,297 INFO L225 Difference]: With dead ends: 136 [2022-11-25 17:19:07,297 INFO L226 Difference]: Without dead ends: 99 [2022-11-25 17:19:07,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:19:07,298 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 25 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:07,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 81 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:19:07,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-25 17:19:07,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2022-11-25 17:19:07,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 92 states have (on average 1.173913043478261) internal successors, (108), 94 states have internal predecessors, (108), 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 17:19:07,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2022-11-25 17:19:07,305 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 17 [2022-11-25 17:19:07,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:07,305 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2022-11-25 17:19:07,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 17:19:07,305 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2022-11-25 17:19:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 17:19:07,306 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:07,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:07,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 17:19:07,307 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:07,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:07,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1567478791, now seen corresponding path program 1 times [2022-11-25 17:19:07,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:07,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270868584] [2022-11-25 17:19:07,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:07,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:07,422 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 17:19:07,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:07,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270868584] [2022-11-25 17:19:07,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270868584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:07,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:07,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:19:07,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011034561] [2022-11-25 17:19:07,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:07,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:19:07,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:07,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:19:07,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:19:07,425 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 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 17:19:07,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:07,564 INFO L93 Difference]: Finished difference Result 132 states and 148 transitions. [2022-11-25 17:19:07,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 17:19:07,565 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 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 17 [2022-11-25 17:19:07,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:07,566 INFO L225 Difference]: With dead ends: 132 [2022-11-25 17:19:07,566 INFO L226 Difference]: Without dead ends: 131 [2022-11-25 17:19:07,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:19:07,567 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 43 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:07,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 95 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:07,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-11-25 17:19:07,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2022-11-25 17:19:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 111 states have (on average 1.1801801801801801) internal successors, (131), 113 states have internal predecessors, (131), 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 17:19:07,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2022-11-25 17:19:07,578 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 17 [2022-11-25 17:19:07,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:07,578 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2022-11-25 17:19:07,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 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 17:19:07,579 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2022-11-25 17:19:07,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 17:19:07,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:07,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:07,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 17:19:07,583 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:07,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:07,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1035594629, now seen corresponding path program 1 times [2022-11-25 17:19:07,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:07,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684768639] [2022-11-25 17:19:07,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:07,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:07,776 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 17:19:07,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:07,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684768639] [2022-11-25 17:19:07,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684768639] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:07,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:07,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:19:07,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785801312] [2022-11-25 17:19:07,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:07,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:19:07,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:07,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:19:07,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:07,779 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 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 17:19:07,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:07,822 INFO L93 Difference]: Finished difference Result 114 states and 131 transitions. [2022-11-25 17:19:07,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:19:07,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 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) Word has length 19 [2022-11-25 17:19:07,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:07,825 INFO L225 Difference]: With dead ends: 114 [2022-11-25 17:19:07,825 INFO L226 Difference]: Without dead ends: 113 [2022-11-25 17:19:07,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:19:07,826 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 17 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:07,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 50 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:19:07,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-11-25 17:19:07,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 94. [2022-11-25 17:19:07,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 92 states have (on average 1.1630434782608696) internal successors, (107), 93 states have internal predecessors, (107), 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 17:19:07,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2022-11-25 17:19:07,835 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 19 [2022-11-25 17:19:07,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:07,835 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2022-11-25 17:19:07,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 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 17:19:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2022-11-25 17:19:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 17:19:07,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:07,837 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:07,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 17:19:07,837 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:07,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:07,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1066462104, now seen corresponding path program 1 times [2022-11-25 17:19:07,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:07,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51998385] [2022-11-25 17:19:07,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:07,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:07,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:07,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51998385] [2022-11-25 17:19:07,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51998385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:07,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:07,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:19:07,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784160655] [2022-11-25 17:19:07,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:07,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:19:07,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:07,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:19:07,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:19:07,983 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:19:08,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:08,072 INFO L93 Difference]: Finished difference Result 141 states and 161 transitions. [2022-11-25 17:19:08,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:19:08,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-25 17:19:08,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:08,074 INFO L225 Difference]: With dead ends: 141 [2022-11-25 17:19:08,074 INFO L226 Difference]: Without dead ends: 140 [2022-11-25 17:19:08,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:19:08,075 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 25 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:08,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 152 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:08,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-25 17:19:08,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 111. [2022-11-25 17:19:08,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 109 states have (on average 1.165137614678899) internal successors, (127), 110 states have internal predecessors, (127), 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 17:19:08,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 127 transitions. [2022-11-25 17:19:08,083 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 127 transitions. Word has length 23 [2022-11-25 17:19:08,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:08,083 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 127 transitions. [2022-11-25 17:19:08,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:19:08,083 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2022-11-25 17:19:08,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 17:19:08,084 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:08,084 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:08,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 17:19:08,084 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:08,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:08,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1690745957, now seen corresponding path program 1 times [2022-11-25 17:19:08,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:08,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639802616] [2022-11-25 17:19:08,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:08,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:08,253 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 17:19:08,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:08,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639802616] [2022-11-25 17:19:08,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639802616] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:08,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356204190] [2022-11-25 17:19:08,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:08,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:08,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:08,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:08,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:19:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:08,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-25 17:19:08,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:08,880 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 17:19:08,881 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 34 treesize of output 34 [2022-11-25 17:19:08,888 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 11 treesize of output 9 [2022-11-25 17:19:08,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-25 17:19:08,965 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 17:19:08,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:19:09,439 INFO L321 Elim1Store]: treesize reduction 8, result has 27.3 percent of original size [2022-11-25 17:19:09,439 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 53 treesize of output 36 [2022-11-25 17:19:09,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-25 17:19:09,467 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 17:19:09,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356204190] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:19:09,468 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:19:09,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 10] total 23 [2022-11-25 17:19:09,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981748813] [2022-11-25 17:19:09,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:19:09,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-25 17:19:09,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:09,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-25 17:19:09,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=452, Unknown=3, NotChecked=0, Total=552 [2022-11-25 17:19:09,471 INFO L87 Difference]: Start difference. First operand 111 states and 127 transitions. Second operand has 24 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 24 states have internal predecessors, (68), 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 17:19:09,492 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~x_ref~0#1.offset|))) (and (= |c_ULTIMATE.start_test_fun_~y_ref~0#1.offset| 0) (forall ((v_ArrVal_467 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_ArrVal_467) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 9223372039002259456))) (< 0 (+ .cse0 9223372039002259456)) (or (forall ((|ULTIMATE.start_test_fun_~y_ref~0#1.base| Int) (v_ArrVal_467 (Array Int Int))) (or (< (+ .cse0 (select (select |c_#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~y_ref~0#1.offset|)) 1) (< 0 (+ (select (select (store |c_#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base| v_ArrVal_467) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 9223372039002259456)))) (< 0 .cse0)) (= |c_ULTIMATE.start_test_fun_~x_ref~0#1.offset| 0))) is different from false [2022-11-25 17:19:10,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:10,177 INFO L93 Difference]: Finished difference Result 182 states and 204 transitions. [2022-11-25 17:19:10,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 17:19:10,178 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 24 states have internal predecessors, (68), 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 17:19:10,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:10,179 INFO L225 Difference]: With dead ends: 182 [2022-11-25 17:19:10,179 INFO L226 Difference]: Without dead ends: 181 [2022-11-25 17:19:10,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=449, Invalid=1111, Unknown=4, NotChecked=76, Total=1640 [2022-11-25 17:19:10,180 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 199 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 1 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:10,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 220 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 281 Invalid, 1 Unknown, 1 Unchecked, 0.3s Time] [2022-11-25 17:19:10,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-11-25 17:19:10,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 137. [2022-11-25 17:19:10,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 135 states have (on average 1.1703703703703703) internal successors, (158), 136 states have internal predecessors, (158), 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 17:19:10,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 158 transitions. [2022-11-25 17:19:10,191 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 158 transitions. Word has length 24 [2022-11-25 17:19:10,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:10,192 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 158 transitions. [2022-11-25 17:19:10,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 24 states have internal predecessors, (68), 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 17:19:10,192 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 158 transitions. [2022-11-25 17:19:10,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 17:19:10,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:10,193 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:10,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 17:19:10,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:10,398 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:10,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:10,399 INFO L85 PathProgramCache]: Analyzing trace with hash -494367800, now seen corresponding path program 1 times [2022-11-25 17:19:10,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:10,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070519565] [2022-11-25 17:19:10,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:10,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:10,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:10,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070519565] [2022-11-25 17:19:10,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070519565] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:10,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742769197] [2022-11-25 17:19:10,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:10,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:10,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:10,749 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:10,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 17:19:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:10,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-25 17:19:10,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:11,149 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2022-11-25 17:19:11,150 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 48 treesize of output 43 [2022-11-25 17:19:11,418 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 17:19:11,419 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 44 treesize of output 28 [2022-11-25 17:19:11,448 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:11,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:19:11,887 INFO L321 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-11-25 17:19:11,888 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 71 treesize of output 1 [2022-11-25 17:19:11,889 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:11,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742769197] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:19:11,890 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:19:11,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 25 [2022-11-25 17:19:11,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519886239] [2022-11-25 17:19:11,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:19:11,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-25 17:19:11,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:11,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-25 17:19:11,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2022-11-25 17:19:11,893 INFO L87 Difference]: Start difference. First operand 137 states and 158 transitions. Second operand has 26 states, 25 states have (on average 2.92) internal successors, (73), 26 states have internal predecessors, (73), 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 17:19:15,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:15,646 INFO L93 Difference]: Finished difference Result 268 states and 300 transitions. [2022-11-25 17:19:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-25 17:19:15,647 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 2.92) internal successors, (73), 26 states have internal predecessors, (73), 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 25 [2022-11-25 17:19:15,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:15,648 INFO L225 Difference]: With dead ends: 268 [2022-11-25 17:19:15,648 INFO L226 Difference]: Without dead ends: 267 [2022-11-25 17:19:15,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1099, Invalid=3457, Unknown=0, NotChecked=0, Total=4556 [2022-11-25 17:19:15,651 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 446 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:15,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 458 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 17:19:15,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-11-25 17:19:15,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 108. [2022-11-25 17:19:15,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 106 states have (on average 1.150943396226415) internal successors, (122), 107 states have internal predecessors, (122), 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 17:19:15,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2022-11-25 17:19:15,663 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 25 [2022-11-25 17:19:15,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:15,663 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2022-11-25 17:19:15,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 2.92) internal successors, (73), 26 states have internal predecessors, (73), 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 17:19:15,663 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2022-11-25 17:19:15,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 17:19:15,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:15,664 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:15,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:15,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:15,870 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:15,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:15,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1171336847, now seen corresponding path program 1 times [2022-11-25 17:19:15,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:15,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870006484] [2022-11-25 17:19:15,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:15,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:16,143 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:16,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:16,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870006484] [2022-11-25 17:19:16,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870006484] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:16,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002170119] [2022-11-25 17:19:16,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:16,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:16,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:16,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:16,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 17:19:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:16,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 17:19:16,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:16,271 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 17:19:16,380 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 17:19:16,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-25 17:19:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:16,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:19:16,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2022-11-25 17:19:16,565 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:16,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002170119] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:19:16,566 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:19:16,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 15 [2022-11-25 17:19:16,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710074393] [2022-11-25 17:19:16,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:19:16,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-25 17:19:16,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:16,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-25 17:19:16,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=193, Unknown=3, NotChecked=0, Total=240 [2022-11-25 17:19:16,568 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand has 16 states, 15 states have (on average 3.933333333333333) internal successors, (59), 16 states have internal predecessors, (59), 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 17:19:17,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:17,654 INFO L93 Difference]: Finished difference Result 234 states and 257 transitions. [2022-11-25 17:19:17,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-25 17:19:17,659 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.933333333333333) internal successors, (59), 16 states have internal predecessors, (59), 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 17:19:17,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:17,661 INFO L225 Difference]: With dead ends: 234 [2022-11-25 17:19:17,661 INFO L226 Difference]: Without dead ends: 233 [2022-11-25 17:19:17,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=406, Invalid=1231, Unknown=3, NotChecked=0, Total=1640 [2022-11-25 17:19:17,664 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 143 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:17,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 289 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 17:19:17,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-11-25 17:19:17,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 59. [2022-11-25 17:19:17,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.1379310344827587) internal successors, (66), 58 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 17:19:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2022-11-25 17:19:17,680 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 26 [2022-11-25 17:19:17,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:17,680 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2022-11-25 17:19:17,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.933333333333333) internal successors, (59), 16 states have internal predecessors, (59), 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 17:19:17,681 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2022-11-25 17:19:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 17:19:17,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:17,681 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:17,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:17,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:17,887 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:19:17,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:17,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1853006507, now seen corresponding path program 1 times [2022-11-25 17:19:17,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:17,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335816344] [2022-11-25 17:19:17,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:17,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,193 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:18,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:18,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335816344] [2022-11-25 17:19:18,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335816344] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:18,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021553155] [2022-11-25 17:19:18,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:18,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:18,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:18,195 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:18,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 17:19:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 17:19:18,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:18,477 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-25 17:19:18,478 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 41 treesize of output 37 [2022-11-25 17:19:18,708 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 17:19:18,709 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 42 treesize of output 18 [2022-11-25 17:19:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:18,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:19:19,209 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:19,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021553155] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:19:19,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:19:19,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 29 [2022-11-25 17:19:19,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062536614] [2022-11-25 17:19:19,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:19:19,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-25 17:19:19,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:19,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-25 17:19:19,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2022-11-25 17:19:19,212 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand has 30 states, 29 states have (on average 2.1724137931034484) internal successors, (63), 30 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:19:21,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:21,609 INFO L93 Difference]: Finished difference Result 195 states and 211 transitions. [2022-11-25 17:19:21,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-11-25 17:19:21,610 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.1724137931034484) internal successors, (63), 30 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-25 17:19:21,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:21,610 INFO L225 Difference]: With dead ends: 195 [2022-11-25 17:19:21,610 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:19:21,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1391 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1268, Invalid=4134, Unknown=0, NotChecked=0, Total=5402 [2022-11-25 17:19:21,613 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 274 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:21,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 431 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 17:19:21,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:19:21,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:19:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:19:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:19:21,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2022-11-25 17:19:21,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:21,615 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:19:21,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 2.1724137931034484) internal successors, (63), 30 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:19:21,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:19:21,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:19:21,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-25 17:19:21,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-25 17:19:21,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-25 17:19:21,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-25 17:19:21,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-25 17:19:21,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-25 17:19:21,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-25 17:19:21,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-25 17:19:21,620 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-25 17:19:21,621 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-25 17:19:21,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:21,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-25 17:19:21,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:19:23,531 INFO L899 garLoopResultBuilder]: For program point L555-10(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,531 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,531 INFO L899 garLoopResultBuilder]: For program point L555-12(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,531 INFO L899 garLoopResultBuilder]: For program point L555-13(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,531 INFO L899 garLoopResultBuilder]: For program point L555-14(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,532 INFO L899 garLoopResultBuilder]: For program point L555-15(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,532 INFO L899 garLoopResultBuilder]: For program point L555-16(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,532 INFO L899 garLoopResultBuilder]: For program point L555-18(lines 555 564) no Hoare annotation was computed. [2022-11-25 17:19:23,532 INFO L895 garLoopResultBuilder]: At program point L568(lines 567 569) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 2147483647) [2022-11-25 17:19:23,532 INFO L899 garLoopResultBuilder]: For program point L555-20(lines 555 564) no Hoare annotation was computed. [2022-11-25 17:19:23,532 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-11-25 17:19:23,533 INFO L899 garLoopResultBuilder]: For program point L560-1(line 560) no Hoare annotation was computed. [2022-11-25 17:19:23,533 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 563) no Hoare annotation was computed. [2022-11-25 17:19:23,533 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2022-11-25 17:19:23,533 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:19:23,533 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,533 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:19:23,533 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,533 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:19:23,534 INFO L895 garLoopResultBuilder]: At program point L565(lines 547 566) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 2147483647) [2022-11-25 17:19:23,534 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-11-25 17:19:23,534 INFO L899 garLoopResultBuilder]: For program point L557-1(line 557) no Hoare annotation was computed. [2022-11-25 17:19:23,534 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 560) no Hoare annotation was computed. [2022-11-25 17:19:23,534 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,534 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:19:23,534 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,535 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 560) no Hoare annotation was computed. [2022-11-25 17:19:23,535 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,535 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 562) no Hoare annotation was computed. [2022-11-25 17:19:23,535 INFO L895 garLoopResultBuilder]: At program point L559-2(lines 555 564) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|)) (.cse1 (select (select |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base|) |ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (and (<= 0 (+ .cse0 2147483648)) (= |ULTIMATE.start_test_fun_~x_ref~0#1.offset| 0) (forall ((v_ArrVal_467 (Array Int Int))) (< 0 (+ (select (select (store |#memory_int| |ULTIMATE.start_test_fun_~y_ref~0#1.base| v_ArrVal_467) |ULTIMATE.start_test_fun_~x_ref~0#1.base|) |ULTIMATE.start_test_fun_~x_ref~0#1.offset|) 9223372039002259456))) (= |ULTIMATE.start_test_fun_~y_ref~0#1.offset| 0) (<= .cse1 2147483647) (<= .cse0 2147483647) (<= 0 (+ .cse1 2147483648)))) [2022-11-25 17:19:23,535 INFO L899 garLoopResultBuilder]: For program point L555-1(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,535 INFO L899 garLoopResultBuilder]: For program point L555-2(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,536 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 557) no Hoare annotation was computed. [2022-11-25 17:19:23,536 INFO L899 garLoopResultBuilder]: For program point L555-3(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,536 INFO L899 garLoopResultBuilder]: For program point L555-5(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,536 INFO L899 garLoopResultBuilder]: For program point L555-6(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,536 INFO L899 garLoopResultBuilder]: For program point L555-8(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,536 INFO L899 garLoopResultBuilder]: For program point L555-9(line 555) no Hoare annotation was computed. [2022-11-25 17:19:23,540 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:23,542 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:19:23,556 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_467,QUANTIFIED] [2022-11-25 17:19:23,557 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_467,QUANTIFIED] [2022-11-25 17:19:23,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:19:23 BoogieIcfgContainer [2022-11-25 17:19:23,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:19:23,559 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:19:23,559 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:19:23,560 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:19:23,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:01" (3/4) ... [2022-11-25 17:19:23,562 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:19:23,571 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-25 17:19:23,572 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 17:19:23,572 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:19:23,572 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:19:23,612 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:19:23,612 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:19:23,613 INFO L158 Benchmark]: Toolchain (without parser) took 22998.66ms. Allocated memory was 203.4MB in the beginning and 295.7MB in the end (delta: 92.3MB). Free memory was 154.9MB in the beginning and 214.4MB in the end (delta: -59.5MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-11-25 17:19:23,613 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:19:23,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.04ms. Allocated memory is still 203.4MB. Free memory was 154.9MB in the beginning and 138.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 17:19:23,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.21ms. Allocated memory is still 203.4MB. Free memory was 138.6MB in the beginning and 136.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:19:23,614 INFO L158 Benchmark]: Boogie Preprocessor took 54.89ms. Allocated memory is still 203.4MB. Free memory was 136.5MB in the beginning and 135.6MB in the end (delta: 889.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:19:23,614 INFO L158 Benchmark]: RCFGBuilder took 383.54ms. Allocated memory is still 203.4MB. Free memory was 135.0MB in the beginning and 121.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:19:23,615 INFO L158 Benchmark]: TraceAbstraction took 22008.15ms. Allocated memory was 203.4MB in the beginning and 295.7MB in the end (delta: 92.3MB). Free memory was 120.9MB in the beginning and 217.5MB in the end (delta: -96.6MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. [2022-11-25 17:19:23,615 INFO L158 Benchmark]: Witness Printer took 52.99ms. Allocated memory is still 295.7MB. Free memory was 217.5MB in the beginning and 214.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:19:23,617 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.04ms. Allocated memory is still 203.4MB. Free memory was 154.9MB in the beginning and 138.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.21ms. Allocated memory is still 203.4MB. Free memory was 138.6MB in the beginning and 136.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.89ms. Allocated memory is still 203.4MB. Free memory was 136.5MB in the beginning and 135.6MB in the end (delta: 889.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 383.54ms. Allocated memory is still 203.4MB. Free memory was 135.0MB in the beginning and 121.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 22008.15ms. Allocated memory was 203.4MB in the beginning and 295.7MB in the end (delta: 92.3MB). Free memory was 120.9MB in the beginning and 217.5MB in the end (delta: -96.6MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. * Witness Printer took 52.99ms. Allocated memory is still 295.7MB. Free memory was 217.5MB in the beginning and 214.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_467,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_467,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 21.9s, OverallIterations: 22, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 1891 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1891 mSDsluCounter, 3105 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1 IncrementalHoareTripleChecker+Unchecked, 2419 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3111 IncrementalHoareTripleChecker+Invalid, 3207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 686 mSDtfsCounter, 3111 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 534 GetRequests, 192 SyntacticMatches, 2 SemanticMatches, 340 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3205 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=19, InterpolantAutomatonStates: 286, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 22 MinimizatonAttempts, 766 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 16 NumberOfFragments, 66 HoareAnnotationTreeSize, 3 FomulaSimplifications, 9125 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 3 FomulaSimplificationsInter, 13163 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 433 NumberOfCodeBlocks, 433 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 504 ConstructedInterpolants, 39 QuantifiedInterpolants, 5566 SizeOfPredicates, 51 NumberOfNonLiveVariables, 594 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 30 InterpolantComputations, 18 PerfectInterpolantSequences, 52/91 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483647 - InvariantResult [Line: 555]: Loop Invariant [2022-11-25 17:19:23,626 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_467,QUANTIFIED] [2022-11-25 17:19:23,626 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_467,QUANTIFIED] Derived loop invariant: (((((0 <= unknown-#memory_int-unknown[x_ref][x_ref] + 2147483648 && x_ref == 0) && (forall v_ArrVal_467 : [int]int :: 0 < unknown-#memory_int-unknown[y_ref := v_ArrVal_467][x_ref][x_ref] + 9223372039002259456)) && y_ref == 0) && unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647) && unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483647) && 0 <= unknown-#memory_int-unknown[y_ref][y_ref] + 2147483648 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-11-25 17:19:23,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44f0fe35-19f5-43f7-a4a4-18522f380bb6/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE