./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/mbpr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-tiling/mbpr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro --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 32bit --witnessprinter.graph.data.programhash a50e57e46342104030586dde3ea26bc2e3984490f4fdef34fa383d24842d8980 --- 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-8393723 [2022-11-18 19:56:41,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:56:41,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:56:41,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:56:41,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:56:41,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:56:41,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:56:41,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:56:41,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:56:41,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:56:41,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:56:41,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:56:41,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:56:41,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:56:41,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:56:41,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:56:41,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:56:41,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:56:41,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:56:41,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:56:41,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:56:41,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:56:41,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:56:41,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:56:41,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:56:41,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:56:41,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:56:41,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:56:41,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:56:41,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:56:41,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:56:41,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:56:41,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:56:41,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:56:41,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:56:41,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:56:41,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:56:41,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:56:41,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:56:41,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:56:41,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:56:41,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 19:56:41,886 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:56:41,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:56:41,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:56:41,892 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:56:41,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:56:41,895 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:56:41,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:56:41,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:56:41,896 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:56:41,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:56:41,898 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:56:41,898 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:56:41,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:56:41,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:56:41,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:56:41,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:56:41,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:56:41,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:56:41,900 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 19:56:41,900 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:56:41,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:56:41,901 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:56:41,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:56:41,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:56:41,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:56:41,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:56:41,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:56:41,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:56:41,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:56:41,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:56:41,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:56:41,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:56:41,904 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:56:41,904 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:56:41,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:56:41,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50e57e46342104030586dde3ea26bc2e3984490f4fdef34fa383d24842d8980 [2022-11-18 19:56:42,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:56:42,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:56:42,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:56:42,258 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:56:42,258 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:56:42,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/array-tiling/mbpr3.c [2022-11-18 19:56:42,332 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/data/694776574/637a529a2bb84d27a4d6c6c3a9010573/FLAGeccdafaa5 [2022-11-18 19:56:42,833 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:56:42,834 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/sv-benchmarks/c/array-tiling/mbpr3.c [2022-11-18 19:56:42,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/data/694776574/637a529a2bb84d27a4d6c6c3a9010573/FLAGeccdafaa5 [2022-11-18 19:56:43,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/data/694776574/637a529a2bb84d27a4d6c6c3a9010573 [2022-11-18 19:56:43,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:56:43,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:56:43,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:56:43,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:56:43,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:56:43,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:56:43" (1/1) ... [2022-11-18 19:56:43,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b93ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:43, skipping insertion in model container [2022-11-18 19:56:43,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:56:43" (1/1) ... [2022-11-18 19:56:43,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:56:43,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:56:43,531 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/sv-benchmarks/c/array-tiling/mbpr3.c[396,409] [2022-11-18 19:56:43,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:56:43,608 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:56:43,632 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/sv-benchmarks/c/array-tiling/mbpr3.c[396,409] [2022-11-18 19:56:43,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:56:43,687 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:56:43,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:43 WrapperNode [2022-11-18 19:56:43,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:56:43,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:56:43,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:56:43,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:56:43,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:43" (1/1) ... [2022-11-18 19:56:43,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:43" (1/1) ... [2022-11-18 19:56:43,767 INFO L138 Inliner]: procedures = 15, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 201 [2022-11-18 19:56:43,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:56:43,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:56:43,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:56:43,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:56:43,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:43" (1/1) ... [2022-11-18 19:56:43,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:43" (1/1) ... [2022-11-18 19:56:43,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:43" (1/1) ... [2022-11-18 19:56:43,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:43" (1/1) ... [2022-11-18 19:56:43,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:43" (1/1) ... [2022-11-18 19:56:43,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:43" (1/1) ... [2022-11-18 19:56:43,828 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:43" (1/1) ... [2022-11-18 19:56:43,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:43" (1/1) ... [2022-11-18 19:56:43,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:56:43,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:56:43,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:56:43,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:56:43,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:43" (1/1) ... [2022-11-18 19:56:43,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:56:43,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:43,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:56:43,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:56:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:56:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:56:43,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:56:43,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:56:43,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:56:43,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:56:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:56:43,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:56:44,016 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:56:44,023 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:56:44,611 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:56:44,620 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:56:44,621 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 19:56:44,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:56:44 BoogieIcfgContainer [2022-11-18 19:56:44,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:56:44,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:56:44,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:56:44,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:56:44,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:56:43" (1/3) ... [2022-11-18 19:56:44,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d14b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:56:44, skipping insertion in model container [2022-11-18 19:56:44,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:56:43" (2/3) ... [2022-11-18 19:56:44,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d14b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:56:44, skipping insertion in model container [2022-11-18 19:56:44,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:56:44" (3/3) ... [2022-11-18 19:56:44,634 INFO L112 eAbstractionObserver]: Analyzing ICFG mbpr3.c [2022-11-18 19:56:44,655 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:56:44,656 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2022-11-18 19:56:44,718 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:56:44,726 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;@1eacbfa8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:56:44,726 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2022-11-18 19:56:44,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 202 states, 115 states have (on average 1.8869565217391304) internal successors, (217), 201 states have internal predecessors, (217), 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) [2022-11-18 19:56:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-18 19:56:44,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:44,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:44,740 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:44,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:44,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1804997193, now seen corresponding path program 1 times [2022-11-18 19:56:44,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:44,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145794285] [2022-11-18 19:56:44,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:44,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:45,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:45,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:45,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145794285] [2022-11-18 19:56:45,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145794285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:45,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:45,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:56:45,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20028494] [2022-11-18 19:56:45,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:45,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 19:56:45,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:45,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 19:56:45,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 19:56:45,066 INFO L87 Difference]: Start difference. First operand has 202 states, 115 states have (on average 1.8869565217391304) internal successors, (217), 201 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-18 19:56:45,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:45,110 INFO L93 Difference]: Finished difference Result 399 states and 426 transitions. [2022-11-18 19:56:45,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 19:56:45,113 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-11-18 19:56:45,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:45,124 INFO L225 Difference]: With dead ends: 399 [2022-11-18 19:56:45,124 INFO L226 Difference]: Without dead ends: 196 [2022-11-18 19:56:45,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 19:56:45,130 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:45,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:56:45,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-11-18 19:56:45,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2022-11-18 19:56:45,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 110 states have (on average 1.8454545454545455) internal successors, (203), 195 states have internal predecessors, (203), 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) [2022-11-18 19:56:45,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 203 transitions. [2022-11-18 19:56:45,192 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 203 transitions. Word has length 7 [2022-11-18 19:56:45,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:45,193 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 203 transitions. [2022-11-18 19:56:45,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-18 19:56:45,194 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 203 transitions. [2022-11-18 19:56:45,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-18 19:56:45,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:45,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:45,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:56:45,195 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:45,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:45,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1804999115, now seen corresponding path program 1 times [2022-11-18 19:56:45,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:45,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109384313] [2022-11-18 19:56:45,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:45,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:45,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:45,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:45,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109384313] [2022-11-18 19:56:45,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109384313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:45,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:45,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:56:45,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695722651] [2022-11-18 19:56:45,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:45,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:56:45,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:45,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:56:45,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:56:45,590 INFO L87 Difference]: Start difference. First operand 196 states and 203 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-11-18 19:56:45,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:45,691 INFO L93 Difference]: Finished difference Result 196 states and 203 transitions. [2022-11-18 19:56:45,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:56:45,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 7 [2022-11-18 19:56:45,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:45,702 INFO L225 Difference]: With dead ends: 196 [2022-11-18 19:56:45,702 INFO L226 Difference]: Without dead ends: 190 [2022-11-18 19:56:45,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:56:45,704 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 580 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:45,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 182 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:56:45,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-11-18 19:56:45,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2022-11-18 19:56:45,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 110 states have (on average 1.790909090909091) internal successors, (197), 189 states have internal predecessors, (197), 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) [2022-11-18 19:56:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 197 transitions. [2022-11-18 19:56:45,729 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 197 transitions. Word has length 7 [2022-11-18 19:56:45,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:45,729 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 197 transitions. [2022-11-18 19:56:45,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-11-18 19:56:45,730 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions. [2022-11-18 19:56:45,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 19:56:45,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:45,731 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:45,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:56:45,731 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:45,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:45,732 INFO L85 PathProgramCache]: Analyzing trace with hash 472362386, now seen corresponding path program 1 times [2022-11-18 19:56:45,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:45,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507938542] [2022-11-18 19:56:45,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:45,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:45,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:45,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507938542] [2022-11-18 19:56:45,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507938542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:45,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:45,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:56:45,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253417017] [2022-11-18 19:56:45,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:45,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:56:45,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:45,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:56:45,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:56:45,810 INFO L87 Difference]: Start difference. First operand 190 states and 197 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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) [2022-11-18 19:56:46,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:46,244 INFO L93 Difference]: Finished difference Result 364 states and 377 transitions. [2022-11-18 19:56:46,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:56:46,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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 [2022-11-18 19:56:46,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:46,246 INFO L225 Difference]: With dead ends: 364 [2022-11-18 19:56:46,246 INFO L226 Difference]: Without dead ends: 292 [2022-11-18 19:56:46,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:56:46,248 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 98 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:46,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 147 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 19:56:46,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-11-18 19:56:46,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 274. [2022-11-18 19:56:46,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 194 states have (on average 1.4793814432989691) internal successors, (287), 273 states have internal predecessors, (287), 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) [2022-11-18 19:56:46,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 287 transitions. [2022-11-18 19:56:46,276 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 287 transitions. Word has length 11 [2022-11-18 19:56:46,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:46,277 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 287 transitions. [2022-11-18 19:56:46,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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) [2022-11-18 19:56:46,277 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 287 transitions. [2022-11-18 19:56:46,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 19:56:46,278 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:46,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:46,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:56:46,283 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:46,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:46,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1309901326, now seen corresponding path program 1 times [2022-11-18 19:56:46,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:46,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545196063] [2022-11-18 19:56:46,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:46,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:46,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:46,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545196063] [2022-11-18 19:56:46,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545196063] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:46,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:46,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:56:46,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646953430] [2022-11-18 19:56:46,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:46,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:56:46,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:46,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:56:46,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:56:46,501 INFO L87 Difference]: Start difference. First operand 274 states and 287 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-18 19:56:46,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:46,752 INFO L93 Difference]: Finished difference Result 284 states and 298 transitions. [2022-11-18 19:56:46,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:56:46,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 [2022-11-18 19:56:46,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:46,754 INFO L225 Difference]: With dead ends: 284 [2022-11-18 19:56:46,755 INFO L226 Difference]: Without dead ends: 282 [2022-11-18 19:56:46,755 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 [2022-11-18 19:56:46,756 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 4 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:46,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 412 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:56:46,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-11-18 19:56:46,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-11-18 19:56:46,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 202 states have (on average 1.4653465346534653) internal successors, (296), 281 states have internal predecessors, (296), 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) [2022-11-18 19:56:46,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 296 transitions. [2022-11-18 19:56:46,769 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 296 transitions. Word has length 25 [2022-11-18 19:56:46,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:46,770 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 296 transitions. [2022-11-18 19:56:46,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-18 19:56:46,770 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 296 transitions. [2022-11-18 19:56:46,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-18 19:56:46,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:46,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:46,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:56:46,772 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:46,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:46,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1117260188, now seen corresponding path program 1 times [2022-11-18 19:56:46,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:46,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844779666] [2022-11-18 19:56:46,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:46,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:46,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:46,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844779666] [2022-11-18 19:56:46,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844779666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:46,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:46,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:56:46,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481099272] [2022-11-18 19:56:46,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:46,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:56:46,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:46,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:56:46,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:56:46,935 INFO L87 Difference]: Start difference. First operand 282 states and 296 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:56:47,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:47,302 INFO L93 Difference]: Finished difference Result 300 states and 314 transitions. [2022-11-18 19:56:47,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:56:47,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-18 19:56:47,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:47,308 INFO L225 Difference]: With dead ends: 300 [2022-11-18 19:56:47,308 INFO L226 Difference]: Without dead ends: 298 [2022-11-18 19:56:47,309 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 [2022-11-18 19:56:47,310 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 77 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:47,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 256 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 19:56:47,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-11-18 19:56:47,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 285. [2022-11-18 19:56:47,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 205 states have (on average 1.4585365853658536) internal successors, (299), 284 states have internal predecessors, (299), 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) [2022-11-18 19:56:47,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 299 transitions. [2022-11-18 19:56:47,333 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 299 transitions. Word has length 32 [2022-11-18 19:56:47,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:47,333 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 299 transitions. [2022-11-18 19:56:47,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:56:47,334 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 299 transitions. [2022-11-18 19:56:47,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-18 19:56:47,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:47,335 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:47,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:56:47,336 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:47,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:47,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1652181344, now seen corresponding path program 1 times [2022-11-18 19:56:47,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:47,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107063621] [2022-11-18 19:56:47,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:47,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:47,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:47,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107063621] [2022-11-18 19:56:47,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107063621] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:47,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910237112] [2022-11-18 19:56:47,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:47,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:47,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:47,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:47,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:56:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:47,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 19:56:47,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:47,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:56:47,757 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:47,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910237112] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:56:47,758 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:56:47,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-18 19:56:47,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703693029] [2022-11-18 19:56:47,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:56:47,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:56:47,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:47,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:56:47,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:56:47,761 INFO L87 Difference]: Start difference. First operand 285 states and 299 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:56:48,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:48,422 INFO L93 Difference]: Finished difference Result 326 states and 345 transitions. [2022-11-18 19:56:48,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 19:56:48,423 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-11-18 19:56:48,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:48,424 INFO L225 Difference]: With dead ends: 326 [2022-11-18 19:56:48,425 INFO L226 Difference]: Without dead ends: 325 [2022-11-18 19:56:48,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-11-18 19:56:48,426 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 341 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:48,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 211 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:56:48,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2022-11-18 19:56:48,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 308. [2022-11-18 19:56:48,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 228 states have (on average 1.4342105263157894) internal successors, (327), 307 states have internal predecessors, (327), 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) [2022-11-18 19:56:48,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 327 transitions. [2022-11-18 19:56:48,437 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 327 transitions. Word has length 33 [2022-11-18 19:56:48,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:48,437 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 327 transitions. [2022-11-18 19:56:48,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:56:48,438 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 327 transitions. [2022-11-18 19:56:48,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-18 19:56:48,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:48,439 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:48,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:48,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:48,640 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:48,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:48,641 INFO L85 PathProgramCache]: Analyzing trace with hash 321986193, now seen corresponding path program 1 times [2022-11-18 19:56:48,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:48,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512861637] [2022-11-18 19:56:48,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:48,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:48,923 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 19:56:48,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:48,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512861637] [2022-11-18 19:56:48,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512861637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:48,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:48,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:56:48,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958515942] [2022-11-18 19:56:48,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:48,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:56:48,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:48,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:56:48,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:56:48,930 INFO L87 Difference]: Start difference. First operand 308 states and 327 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:56:49,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:49,289 INFO L93 Difference]: Finished difference Result 532 states and 566 transitions. [2022-11-18 19:56:49,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:56:49,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-11-18 19:56:49,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:49,292 INFO L225 Difference]: With dead ends: 532 [2022-11-18 19:56:49,293 INFO L226 Difference]: Without dead ends: 318 [2022-11-18 19:56:49,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:56:49,294 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 389 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:49,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 131 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 19:56:49,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-11-18 19:56:49,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 308. [2022-11-18 19:56:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 228 states have (on average 1.4210526315789473) internal successors, (324), 307 states have internal predecessors, (324), 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) [2022-11-18 19:56:49,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 324 transitions. [2022-11-18 19:56:49,310 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 324 transitions. Word has length 34 [2022-11-18 19:56:49,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:49,312 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 324 transitions. [2022-11-18 19:56:49,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:56:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 324 transitions. [2022-11-18 19:56:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-18 19:56:49,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:49,315 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:49,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:56:49,316 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:49,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:49,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1995602744, now seen corresponding path program 1 times [2022-11-18 19:56:49,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:49,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79451756] [2022-11-18 19:56:49,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:49,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:49,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:49,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:49,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79451756] [2022-11-18 19:56:49,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79451756] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:49,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192745921] [2022-11-18 19:56:49,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:49,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:49,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:49,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:49,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:56:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:49,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:56:49,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:49,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:49,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:56:49,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:49,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192745921] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:56:49,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:56:49,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-18 19:56:49,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197164118] [2022-11-18 19:56:49,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:56:49,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 19:56:49,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:49,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 19:56:49,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:56:49,753 INFO L87 Difference]: Start difference. First operand 308 states and 324 transitions. Second operand has 10 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 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) [2022-11-18 19:56:50,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:50,389 INFO L93 Difference]: Finished difference Result 361 states and 405 transitions. [2022-11-18 19:56:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 19:56:50,390 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 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 38 [2022-11-18 19:56:50,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:50,391 INFO L225 Difference]: With dead ends: 361 [2022-11-18 19:56:50,391 INFO L226 Difference]: Without dead ends: 328 [2022-11-18 19:56:50,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:56:50,392 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 378 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:50,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 271 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 19:56:50,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-11-18 19:56:50,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 315. [2022-11-18 19:56:50,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 265 states have (on average 1.3132075471698113) internal successors, (348), 314 states have internal predecessors, (348), 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) [2022-11-18 19:56:50,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 348 transitions. [2022-11-18 19:56:50,410 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 348 transitions. Word has length 38 [2022-11-18 19:56:50,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:50,410 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 348 transitions. [2022-11-18 19:56:50,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.0) internal successors, (99), 10 states have internal predecessors, (99), 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) [2022-11-18 19:56:50,411 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 348 transitions. [2022-11-18 19:56:50,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-18 19:56:50,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:50,416 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:50,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:50,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-18 19:56:50,621 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:50,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:50,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1734142854, now seen corresponding path program 1 times [2022-11-18 19:56:50,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:50,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861403265] [2022-11-18 19:56:50,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:50,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:50,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:50,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861403265] [2022-11-18 19:56:50,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861403265] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:50,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028889490] [2022-11-18 19:56:50,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:50,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:50,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:50,742 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:50,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 19:56:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:50,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:56:50,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:50,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:50,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:56:50,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028889490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:50,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:56:50,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-18 19:56:50,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580384149] [2022-11-18 19:56:50,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:50,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:56:50,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:50,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:56:50,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:56:50,894 INFO L87 Difference]: Start difference. First operand 315 states and 348 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2022-11-18 19:56:51,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:51,240 INFO L93 Difference]: Finished difference Result 325 states and 358 transitions. [2022-11-18 19:56:51,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:56:51,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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 39 [2022-11-18 19:56:51,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:51,242 INFO L225 Difference]: With dead ends: 325 [2022-11-18 19:56:51,242 INFO L226 Difference]: Without dead ends: 312 [2022-11-18 19:56:51,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:56:51,243 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 104 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:51,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 199 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 19:56:51,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2022-11-18 19:56:51,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 302. [2022-11-18 19:56:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 265 states have (on average 1.2150943396226415) internal successors, (322), 301 states have internal predecessors, (322), 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) [2022-11-18 19:56:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 322 transitions. [2022-11-18 19:56:51,255 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 322 transitions. Word has length 39 [2022-11-18 19:56:51,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:51,257 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 322 transitions. [2022-11-18 19:56:51,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2022-11-18 19:56:51,258 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 322 transitions. [2022-11-18 19:56:51,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-18 19:56:51,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:51,261 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:51,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:51,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:51,478 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:51,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:51,479 INFO L85 PathProgramCache]: Analyzing trace with hash 659179100, now seen corresponding path program 1 times [2022-11-18 19:56:51,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:51,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110138879] [2022-11-18 19:56:51,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:51,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:51,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:56:51,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:51,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110138879] [2022-11-18 19:56:51,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110138879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:51,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:51,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:56:51,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099893171] [2022-11-18 19:56:51,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:51,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:56:51,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:51,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:56:51,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:56:51,655 INFO L87 Difference]: Start difference. First operand 302 states and 322 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2022-11-18 19:56:51,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:51,672 INFO L93 Difference]: Finished difference Result 476 states and 508 transitions. [2022-11-18 19:56:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:56:51,672 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 63 [2022-11-18 19:56:51,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:51,674 INFO L225 Difference]: With dead ends: 476 [2022-11-18 19:56:51,674 INFO L226 Difference]: Without dead ends: 291 [2022-11-18 19:56:51,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:56:51,675 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 108 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:51,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 140 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:56:51,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2022-11-18 19:56:51,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2022-11-18 19:56:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 257 states have (on average 1.2023346303501945) internal successors, (309), 290 states have internal predecessors, (309), 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) [2022-11-18 19:56:51,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 309 transitions. [2022-11-18 19:56:51,684 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 309 transitions. Word has length 63 [2022-11-18 19:56:51,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:51,685 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 309 transitions. [2022-11-18 19:56:51,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2022-11-18 19:56:51,685 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 309 transitions. [2022-11-18 19:56:51,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-18 19:56:51,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:51,686 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:51,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:56:51,686 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:51,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:51,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1831679826, now seen corresponding path program 1 times [2022-11-18 19:56:51,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:51,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284683250] [2022-11-18 19:56:51,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:51,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:51,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:56:51,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:51,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284683250] [2022-11-18 19:56:51,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284683250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:51,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:51,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:56:51,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948770151] [2022-11-18 19:56:51,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:51,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:56:51,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:51,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:56:51,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:56:51,767 INFO L87 Difference]: Start difference. First operand 291 states and 309 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-11-18 19:56:52,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:52,001 INFO L93 Difference]: Finished difference Result 301 states and 319 transitions. [2022-11-18 19:56:52,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:56:52,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 63 [2022-11-18 19:56:52,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:52,003 INFO L225 Difference]: With dead ends: 301 [2022-11-18 19:56:52,003 INFO L226 Difference]: Without dead ends: 299 [2022-11-18 19:56:52,004 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 [2022-11-18 19:56:52,004 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 67 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:52,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 166 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:56:52,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-11-18 19:56:52,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 294. [2022-11-18 19:56:52,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 260 states have (on average 1.2) internal successors, (312), 293 states have internal predecessors, (312), 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) [2022-11-18 19:56:52,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 312 transitions. [2022-11-18 19:56:52,029 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 312 transitions. Word has length 63 [2022-11-18 19:56:52,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:52,030 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 312 transitions. [2022-11-18 19:56:52,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-11-18 19:56:52,031 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 312 transitions. [2022-11-18 19:56:52,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-18 19:56:52,031 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:52,032 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:52,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 19:56:52,033 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:52,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:52,034 INFO L85 PathProgramCache]: Analyzing trace with hash -739190858, now seen corresponding path program 1 times [2022-11-18 19:56:52,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:52,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647872340] [2022-11-18 19:56:52,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:52,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:52,161 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:56:52,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:52,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647872340] [2022-11-18 19:56:52,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647872340] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:52,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628623025] [2022-11-18 19:56:52,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:52,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:52,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:52,164 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:52,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 19:56:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:52,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:56:52,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:52,321 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:56:52,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:56:52,395 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:56:52,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628623025] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:56:52,396 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:56:52,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-18 19:56:52,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146450492] [2022-11-18 19:56:52,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:56:52,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 19:56:52,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:52,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 19:56:52,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:56:52,400 INFO L87 Difference]: Start difference. First operand 294 states and 312 transitions. Second operand has 10 states, 9 states have (on average 14.222222222222221) internal successors, (128), 10 states have internal predecessors, (128), 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) [2022-11-18 19:56:52,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:52,916 INFO L93 Difference]: Finished difference Result 336 states and 367 transitions. [2022-11-18 19:56:52,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 19:56:52,917 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.222222222222221) internal successors, (128), 10 states have internal predecessors, (128), 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 69 [2022-11-18 19:56:52,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:52,918 INFO L225 Difference]: With dead ends: 336 [2022-11-18 19:56:52,918 INFO L226 Difference]: Without dead ends: 334 [2022-11-18 19:56:52,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:56:52,919 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 278 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:52,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 197 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:56:52,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2022-11-18 19:56:52,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 326. [2022-11-18 19:56:52,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 292 states have (on average 1.2226027397260273) internal successors, (357), 325 states have internal predecessors, (357), 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) [2022-11-18 19:56:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 357 transitions. [2022-11-18 19:56:52,931 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 357 transitions. Word has length 69 [2022-11-18 19:56:52,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:52,931 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 357 transitions. [2022-11-18 19:56:52,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.222222222222221) internal successors, (128), 10 states have internal predecessors, (128), 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) [2022-11-18 19:56:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 357 transitions. [2022-11-18 19:56:52,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-18 19:56:52,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:52,932 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:52,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:53,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:53,138 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:53,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:53,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1440079976, now seen corresponding path program 1 times [2022-11-18 19:56:53,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:53,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603493740] [2022-11-18 19:56:53,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:53,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:53,243 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:56:53,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:53,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603493740] [2022-11-18 19:56:53,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603493740] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:53,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961971917] [2022-11-18 19:56:53,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:53,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:53,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:53,246 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:53,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 19:56:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:53,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:56:53,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:53,407 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:56:53,407 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:56:53,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961971917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:53,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:56:53,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-18 19:56:53,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741189794] [2022-11-18 19:56:53,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:53,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:56:53,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:53,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:56:53,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:56:53,409 INFO L87 Difference]: Start difference. First operand 326 states and 357 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 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) [2022-11-18 19:56:53,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:53,719 INFO L93 Difference]: Finished difference Result 331 states and 362 transitions. [2022-11-18 19:56:53,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:56:53,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 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 70 [2022-11-18 19:56:53,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:53,721 INFO L225 Difference]: With dead ends: 331 [2022-11-18 19:56:53,721 INFO L226 Difference]: Without dead ends: 320 [2022-11-18 19:56:53,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:56:53,722 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 94 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:53,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 155 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 19:56:53,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2022-11-18 19:56:53,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 315. [2022-11-18 19:56:53,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 292 states have (on average 1.1472602739726028) internal successors, (335), 314 states have internal predecessors, (335), 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) [2022-11-18 19:56:53,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 335 transitions. [2022-11-18 19:56:53,733 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 335 transitions. Word has length 70 [2022-11-18 19:56:53,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:53,733 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 335 transitions. [2022-11-18 19:56:53,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 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) [2022-11-18 19:56:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 335 transitions. [2022-11-18 19:56:53,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-18 19:56:53,734 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:53,734 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:53,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-18 19:56:53,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:53,940 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:53,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:53,941 INFO L85 PathProgramCache]: Analyzing trace with hash 399912996, now seen corresponding path program 1 times [2022-11-18 19:56:53,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:53,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572536661] [2022-11-18 19:56:53,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:53,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,015 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-18 19:56:54,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:54,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572536661] [2022-11-18 19:56:54,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572536661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:54,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:54,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:56:54,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552677073] [2022-11-18 19:56:54,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:54,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:56:54,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:54,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:56:54,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:56:54,018 INFO L87 Difference]: Start difference. First operand 315 states and 335 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:56:54,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:54,192 INFO L93 Difference]: Finished difference Result 315 states and 335 transitions. [2022-11-18 19:56:54,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:56:54,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-11-18 19:56:54,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:54,194 INFO L225 Difference]: With dead ends: 315 [2022-11-18 19:56:54,194 INFO L226 Difference]: Without dead ends: 314 [2022-11-18 19:56:54,194 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 [2022-11-18 19:56:54,195 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 92 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:54,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 106 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:56:54,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-11-18 19:56:54,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2022-11-18 19:56:54,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 292 states have (on average 1.143835616438356) internal successors, (334), 313 states have internal predecessors, (334), 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) [2022-11-18 19:56:54,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 334 transitions. [2022-11-18 19:56:54,204 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 334 transitions. Word has length 86 [2022-11-18 19:56:54,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:54,205 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 334 transitions. [2022-11-18 19:56:54,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:56:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 334 transitions. [2022-11-18 19:56:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-18 19:56:54,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:54,206 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:54,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 19:56:54,206 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:54,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:54,207 INFO L85 PathProgramCache]: Analyzing trace with hash -925274488, now seen corresponding path program 2 times [2022-11-18 19:56:54,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:54,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941755059] [2022-11-18 19:56:54,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:54,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-18 19:56:54,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:54,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941755059] [2022-11-18 19:56:54,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941755059] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:54,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174338513] [2022-11-18 19:56:54,612 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:56:54,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:54,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:54,613 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:54,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 19:56:54,686 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 19:56:54,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:56:54,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:56:54,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-18 19:56:55,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:56:55,301 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-18 19:56:55,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174338513] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:56:55,302 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:56:55,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 3] total 8 [2022-11-18 19:56:55,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663934154] [2022-11-18 19:56:55,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:56:55,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:56:55,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:55,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:56:55,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:56:55,304 INFO L87 Difference]: Start difference. First operand 314 states and 334 transitions. Second operand has 9 states, 8 states have (on average 12.75) internal successors, (102), 9 states have internal predecessors, (102), 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) [2022-11-18 19:56:55,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:55,518 INFO L93 Difference]: Finished difference Result 314 states and 334 transitions. [2022-11-18 19:56:55,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:56:55,518 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.75) internal successors, (102), 9 states have internal predecessors, (102), 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 92 [2022-11-18 19:56:55,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:55,519 INFO L225 Difference]: With dead ends: 314 [2022-11-18 19:56:55,520 INFO L226 Difference]: Without dead ends: 309 [2022-11-18 19:56:55,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:56:55,520 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 398 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:55,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 38 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:56:55,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-11-18 19:56:55,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 238. [2022-11-18 19:56:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 221 states have (on average 1.1402714932126696) internal successors, (252), 237 states have internal predecessors, (252), 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) [2022-11-18 19:56:55,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 252 transitions. [2022-11-18 19:56:55,529 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 252 transitions. Word has length 92 [2022-11-18 19:56:55,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:55,530 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 252 transitions. [2022-11-18 19:56:55,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.75) internal successors, (102), 9 states have internal predecessors, (102), 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) [2022-11-18 19:56:55,530 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 252 transitions. [2022-11-18 19:56:55,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-18 19:56:55,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:55,531 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:55,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-18 19:56:55,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:55,736 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:55,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:55,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1567028870, now seen corresponding path program 1 times [2022-11-18 19:56:55,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:55,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985764552] [2022-11-18 19:56:55,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:55,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:55,846 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 19:56:55,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:55,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985764552] [2022-11-18 19:56:55,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985764552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:55,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:55,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:56:55,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203321579] [2022-11-18 19:56:55,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:55,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:56:55,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:55,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:56:55,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:56:55,849 INFO L87 Difference]: Start difference. First operand 238 states and 252 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:56:56,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:56,092 INFO L93 Difference]: Finished difference Result 271 states and 286 transitions. [2022-11-18 19:56:56,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:56:56,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-11-18 19:56:56,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:56,094 INFO L225 Difference]: With dead ends: 271 [2022-11-18 19:56:56,094 INFO L226 Difference]: Without dead ends: 269 [2022-11-18 19:56:56,095 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 [2022-11-18 19:56:56,095 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 65 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:56,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 130 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:56:56,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-11-18 19:56:56,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 241. [2022-11-18 19:56:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 224 states have (on average 1.1383928571428572) internal successors, (255), 240 states have internal predecessors, (255), 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) [2022-11-18 19:56:56,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 255 transitions. [2022-11-18 19:56:56,104 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 255 transitions. Word has length 94 [2022-11-18 19:56:56,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:56,105 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 255 transitions. [2022-11-18 19:56:56,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:56:56,105 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 255 transitions. [2022-11-18 19:56:56,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-18 19:56:56,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:56,106 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:56,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 19:56:56,107 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:56,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:56,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1028011258, now seen corresponding path program 1 times [2022-11-18 19:56:56,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:56,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279850289] [2022-11-18 19:56:56,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:56,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:56,262 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 19:56:56,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:56,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279850289] [2022-11-18 19:56:56,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279850289] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:56,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835072348] [2022-11-18 19:56:56,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:56,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:56,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:56,264 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:56,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 19:56:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:56,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:56:56,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:56,448 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 19:56:56,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:56:56,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835072348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:56,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:56:56,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-18 19:56:56,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155268079] [2022-11-18 19:56:56,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:56,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:56:56,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:56,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:56:56,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:56:56,451 INFO L87 Difference]: Start difference. First operand 241 states and 255 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 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) [2022-11-18 19:56:56,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:56,741 INFO L93 Difference]: Finished difference Result 269 states and 284 transitions. [2022-11-18 19:56:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:56:56,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 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 101 [2022-11-18 19:56:56,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:56,743 INFO L225 Difference]: With dead ends: 269 [2022-11-18 19:56:56,743 INFO L226 Difference]: Without dead ends: 256 [2022-11-18 19:56:56,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:56:56,744 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 95 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:56,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 116 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 19:56:56,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-18 19:56:56,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 227. [2022-11-18 19:56:56,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 223 states have (on average 1.0807174887892377) internal successors, (241), 226 states have internal predecessors, (241), 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) [2022-11-18 19:56:56,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 241 transitions. [2022-11-18 19:56:56,752 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 241 transitions. Word has length 101 [2022-11-18 19:56:56,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:56,753 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 241 transitions. [2022-11-18 19:56:56,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 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) [2022-11-18 19:56:56,753 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 241 transitions. [2022-11-18 19:56:56,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-18 19:56:56,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:56,754 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:56,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:56,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-18 19:56:56,960 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:56,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:56,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1723772651, now seen corresponding path program 1 times [2022-11-18 19:56:56,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:56,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576308133] [2022-11-18 19:56:56,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:56,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 19:56:57,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:57,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576308133] [2022-11-18 19:56:57,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576308133] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:57,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111771373] [2022-11-18 19:56:57,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:57,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:57,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:57,124 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:57,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 19:56:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:57,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 19:56:57,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:57,271 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 19:56:57,271 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:56:57,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111771373] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:57,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:56:57,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-18 19:56:57,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220324703] [2022-11-18 19:56:57,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:57,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:56:57,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:57,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:56:57,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:56:57,273 INFO L87 Difference]: Start difference. First operand 227 states and 241 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 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) [2022-11-18 19:56:57,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:57,636 INFO L93 Difference]: Finished difference Result 256 states and 271 transitions. [2022-11-18 19:56:57,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:56:57,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 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 115 [2022-11-18 19:56:57,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:57,638 INFO L225 Difference]: With dead ends: 256 [2022-11-18 19:56:57,638 INFO L226 Difference]: Without dead ends: 255 [2022-11-18 19:56:57,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:56:57,639 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 96 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:57,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 157 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 19:56:57,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-11-18 19:56:57,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 226. [2022-11-18 19:56:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 223 states have (on average 1.0672645739910314) internal successors, (238), 225 states have internal predecessors, (238), 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) [2022-11-18 19:56:57,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 238 transitions. [2022-11-18 19:56:57,650 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 238 transitions. Word has length 115 [2022-11-18 19:56:57,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:57,650 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 238 transitions. [2022-11-18 19:56:57,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 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) [2022-11-18 19:56:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 238 transitions. [2022-11-18 19:56:57,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-18 19:56:57,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:57,653 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:57,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-18 19:56:57,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-18 19:56:57,859 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:57,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:57,859 INFO L85 PathProgramCache]: Analyzing trace with hash -366734574, now seen corresponding path program 1 times [2022-11-18 19:56:57,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:57,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438581418] [2022-11-18 19:56:57,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:57,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:57,971 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 19:56:57,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:57,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438581418] [2022-11-18 19:56:57,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438581418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:57,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:57,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:56:57,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112468756] [2022-11-18 19:56:57,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:57,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:56:57,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:57,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:56:57,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:56:57,974 INFO L87 Difference]: Start difference. First operand 226 states and 238 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 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) [2022-11-18 19:56:58,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:58,123 INFO L93 Difference]: Finished difference Result 229 states and 242 transitions. [2022-11-18 19:56:58,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:56:58,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 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) Word has length 117 [2022-11-18 19:56:58,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:58,125 INFO L225 Difference]: With dead ends: 229 [2022-11-18 19:56:58,125 INFO L226 Difference]: Without dead ends: 228 [2022-11-18 19:56:58,126 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 [2022-11-18 19:56:58,127 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 78 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:58,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 89 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:56:58,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-11-18 19:56:58,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 175. [2022-11-18 19:56:58,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 173 states have (on average 1.0751445086705202) internal successors, (186), 174 states have internal predecessors, (186), 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) [2022-11-18 19:56:58,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 186 transitions. [2022-11-18 19:56:58,134 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 186 transitions. Word has length 117 [2022-11-18 19:56:58,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:58,134 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 186 transitions. [2022-11-18 19:56:58,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 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) [2022-11-18 19:56:58,135 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 186 transitions. [2022-11-18 19:56:58,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-18 19:56:58,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:58,136 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:58,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 19:56:58,137 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:58,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:58,137 INFO L85 PathProgramCache]: Analyzing trace with hash -556071750, now seen corresponding path program 1 times [2022-11-18 19:56:58,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:58,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202913469] [2022-11-18 19:56:58,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:58,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-18 19:56:58,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:58,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202913469] [2022-11-18 19:56:58,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202913469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:58,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:58,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:56:58,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495102626] [2022-11-18 19:56:58,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:58,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:56:58,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:58,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:56:58,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:56:58,236 INFO L87 Difference]: Start difference. First operand 175 states and 186 transitions. Second operand has 4 states, 3 states have (on average 37.666666666666664) internal successors, (113), 4 states have internal predecessors, (113), 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) [2022-11-18 19:56:58,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:58,394 INFO L93 Difference]: Finished difference Result 180 states and 192 transitions. [2022-11-18 19:56:58,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:56:58,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 37.666666666666664) internal successors, (113), 4 states have internal predecessors, (113), 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 121 [2022-11-18 19:56:58,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:58,396 INFO L225 Difference]: With dead ends: 180 [2022-11-18 19:56:58,396 INFO L226 Difference]: Without dead ends: 179 [2022-11-18 19:56:58,396 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 [2022-11-18 19:56:58,397 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 77 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:58,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 87 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:56:58,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-11-18 19:56:58,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 147. [2022-11-18 19:56:58,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 146 states have (on average 1.0753424657534247) internal successors, (157), 146 states have internal predecessors, (157), 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) [2022-11-18 19:56:58,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 157 transitions. [2022-11-18 19:56:58,404 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 157 transitions. Word has length 121 [2022-11-18 19:56:58,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:58,404 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 157 transitions. [2022-11-18 19:56:58,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 37.666666666666664) internal successors, (113), 4 states have internal predecessors, (113), 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) [2022-11-18 19:56:58,405 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2022-11-18 19:56:58,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-18 19:56:58,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:58,406 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:58,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 19:56:58,407 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:56:58,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:58,407 INFO L85 PathProgramCache]: Analyzing trace with hash 826106194, now seen corresponding path program 1 times [2022-11-18 19:56:58,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:58,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310649686] [2022-11-18 19:56:58,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:58,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:59,436 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 53 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 19:56:59,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:59,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310649686] [2022-11-18 19:56:59,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310649686] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:59,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992342034] [2022-11-18 19:56:59,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:59,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:59,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:59,441 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:59,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 19:56:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:59,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 19:56:59,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 19:56:59,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:57:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 19:57:00,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992342034] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:57:00,095 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:57:00,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 35 [2022-11-18 19:57:00,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980734900] [2022-11-18 19:57:00,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:57:00,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-18 19:57:00,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:00,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-18 19:57:00,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=977, Unknown=0, NotChecked=0, Total=1190 [2022-11-18 19:57:00,097 INFO L87 Difference]: Start difference. First operand 147 states and 157 transitions. Second operand has 35 states, 35 states have (on average 8.542857142857143) internal successors, (299), 35 states have internal predecessors, (299), 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) [2022-11-18 19:57:02,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:02,354 INFO L93 Difference]: Finished difference Result 466 states and 501 transitions. [2022-11-18 19:57:02,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-18 19:57:02,354 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 8.542857142857143) internal successors, (299), 35 states have internal predecessors, (299), 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 138 [2022-11-18 19:57:02,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:02,356 INFO L225 Difference]: With dead ends: 466 [2022-11-18 19:57:02,356 INFO L226 Difference]: Without dead ends: 307 [2022-11-18 19:57:02,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1244 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1005, Invalid=3687, Unknown=0, NotChecked=0, Total=4692 [2022-11-18 19:57:02,358 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 1833 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 1518 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:02,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1833 Valid, 322 Invalid, 1574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1518 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 19:57:02,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-11-18 19:57:02,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 226. [2022-11-18 19:57:02,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.08) internal successors, (243), 225 states have internal predecessors, (243), 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) [2022-11-18 19:57:02,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 243 transitions. [2022-11-18 19:57:02,367 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 243 transitions. Word has length 138 [2022-11-18 19:57:02,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:02,368 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 243 transitions. [2022-11-18 19:57:02,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 8.542857142857143) internal successors, (299), 35 states have internal predecessors, (299), 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) [2022-11-18 19:57:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 243 transitions. [2022-11-18 19:57:02,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-18 19:57:02,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:02,371 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:02,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-18 19:57:02,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:57:02,576 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2022-11-18 19:57:02,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:02,577 INFO L85 PathProgramCache]: Analyzing trace with hash -446176056, now seen corresponding path program 2 times [2022-11-18 19:57:02,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:02,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53983119] [2022-11-18 19:57:02,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:02,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:03,118 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2022-11-18 19:57:03,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:03,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53983119] [2022-11-18 19:57:03,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53983119] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:57:03,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822171632] [2022-11-18 19:57:03,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:57:03,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:57:03,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:57:03,120 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:57:03,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-18 19:57:03,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 19:57:03,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:57:03,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:57:03,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:57:03,533 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2022-11-18 19:57:03,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:57:03,846 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2022-11-18 19:57:03,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822171632] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:57:03,847 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:57:03,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2022-11-18 19:57:03,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580261007] [2022-11-18 19:57:03,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:57:03,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:57:03,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:03,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:57:03,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:57:03,849 INFO L87 Difference]: Start difference. First operand 226 states and 243 transitions. Second operand has 12 states, 12 states have (on average 20.0) internal successors, (240), 12 states have internal predecessors, (240), 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) [2022-11-18 19:57:04,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:04,658 INFO L93 Difference]: Finished difference Result 456 states and 490 transitions. [2022-11-18 19:57:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 19:57:04,661 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 20.0) internal successors, (240), 12 states have internal predecessors, (240), 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 213 [2022-11-18 19:57:04,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:04,661 INFO L225 Difference]: With dead ends: 456 [2022-11-18 19:57:04,661 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 19:57:04,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 421 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2022-11-18 19:57:04,662 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 746 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:04,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 138 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 19:57:04,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 19:57:04,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 19:57:04,663 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) [2022-11-18 19:57:04,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 19:57:04,664 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2022-11-18 19:57:04,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:04,664 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:57:04,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 20.0) internal successors, (240), 12 states have internal predecessors, (240), 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) [2022-11-18 19:57:04,664 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:57:04,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 19:57:04,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 86 remaining) [2022-11-18 19:57:04,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 86 remaining) [2022-11-18 19:57:04,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 86 remaining) [2022-11-18 19:57:04,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 86 remaining) [2022-11-18 19:57:04,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 86 remaining) [2022-11-18 19:57:04,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 86 remaining) [2022-11-18 19:57:04,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 86 remaining) [2022-11-18 19:57:04,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 86 remaining) [2022-11-18 19:57:04,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 86 remaining) [2022-11-18 19:57:04,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 86 remaining) [2022-11-18 19:57:04,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 86 remaining) [2022-11-18 19:57:04,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 86 remaining) [2022-11-18 19:57:04,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 86 remaining) [2022-11-18 19:57:04,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 86 remaining) [2022-11-18 19:57:04,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 86 remaining) [2022-11-18 19:57:04,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 86 remaining) [2022-11-18 19:57:04,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 86 remaining) [2022-11-18 19:57:04,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 86 remaining) [2022-11-18 19:57:04,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 86 remaining) [2022-11-18 19:57:04,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 86 remaining) [2022-11-18 19:57:04,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 86 remaining) [2022-11-18 19:57:04,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 86 remaining) [2022-11-18 19:57:04,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 86 remaining) [2022-11-18 19:57:04,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 86 remaining) [2022-11-18 19:57:04,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 86 remaining) [2022-11-18 19:57:04,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 86 remaining) [2022-11-18 19:57:04,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 86 remaining) [2022-11-18 19:57:04,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 86 remaining) [2022-11-18 19:57:04,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 86 remaining) [2022-11-18 19:57:04,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 86 remaining) [2022-11-18 19:57:04,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 86 remaining) [2022-11-18 19:57:04,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 86 remaining) [2022-11-18 19:57:04,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 86 remaining) [2022-11-18 19:57:04,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 86 remaining) [2022-11-18 19:57:04,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 86 remaining) [2022-11-18 19:57:04,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 86 remaining) [2022-11-18 19:57:04,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 86 remaining) [2022-11-18 19:57:04,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 86 remaining) [2022-11-18 19:57:04,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 86 remaining) [2022-11-18 19:57:04,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 86 remaining) [2022-11-18 19:57:04,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 86 remaining) [2022-11-18 19:57:04,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 86 remaining) [2022-11-18 19:57:04,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 86 remaining) [2022-11-18 19:57:04,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 86 remaining) [2022-11-18 19:57:04,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 86 remaining) [2022-11-18 19:57:04,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 86 remaining) [2022-11-18 19:57:04,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 86 remaining) [2022-11-18 19:57:04,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 86 remaining) [2022-11-18 19:57:04,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 86 remaining) [2022-11-18 19:57:04,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 86 remaining) [2022-11-18 19:57:04,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 86 remaining) [2022-11-18 19:57:04,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 86 remaining) [2022-11-18 19:57:04,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 86 remaining) [2022-11-18 19:57:04,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 86 remaining) [2022-11-18 19:57:04,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 86 remaining) [2022-11-18 19:57:04,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 86 remaining) [2022-11-18 19:57:04,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 86 remaining) [2022-11-18 19:57:04,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 86 remaining) [2022-11-18 19:57:04,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 86 remaining) [2022-11-18 19:57:04,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 86 remaining) [2022-11-18 19:57:04,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 86 remaining) [2022-11-18 19:57:04,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 86 remaining) [2022-11-18 19:57:04,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 86 remaining) [2022-11-18 19:57:04,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 86 remaining) [2022-11-18 19:57:04,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 86 remaining) [2022-11-18 19:57:04,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 86 remaining) [2022-11-18 19:57:04,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 86 remaining) [2022-11-18 19:57:04,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 86 remaining) [2022-11-18 19:57:04,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 86 remaining) [2022-11-18 19:57:04,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 86 remaining) [2022-11-18 19:57:04,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 86 remaining) [2022-11-18 19:57:04,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 86 remaining) [2022-11-18 19:57:04,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 86 remaining) [2022-11-18 19:57:04,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 86 remaining) [2022-11-18 19:57:04,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 86 remaining) [2022-11-18 19:57:04,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 86 remaining) [2022-11-18 19:57:04,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 86 remaining) [2022-11-18 19:57:04,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 86 remaining) [2022-11-18 19:57:04,686 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 86 remaining) [2022-11-18 19:57:04,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 86 remaining) [2022-11-18 19:57:04,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 86 remaining) [2022-11-18 19:57:04,687 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 86 remaining) [2022-11-18 19:57:04,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 86 remaining) [2022-11-18 19:57:04,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 86 remaining) [2022-11-18 19:57:04,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 86 remaining) [2022-11-18 19:57:04,688 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 86 remaining) [2022-11-18 19:57:04,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-18 19:57:04,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:57:04,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 19:57:05,430 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-18 19:57:05,431 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,431 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,431 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-18 19:57:05,431 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,431 INFO L899 garLoopResultBuilder]: For program point L52-1(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,431 INFO L899 garLoopResultBuilder]: For program point L52-2(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,431 INFO L899 garLoopResultBuilder]: For program point L52-3(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,431 INFO L899 garLoopResultBuilder]: For program point L52-4(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,431 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-11-18 19:57:05,431 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,431 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,432 INFO L899 garLoopResultBuilder]: For program point L52-5(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,432 INFO L899 garLoopResultBuilder]: For program point L52-6(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,432 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-11-18 19:57:05,432 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-18 19:57:05,432 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2022-11-18 19:57:05,432 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2022-11-18 19:57:05,432 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 19:57:05,432 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2022-11-18 19:57:05,432 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,432 INFO L899 garLoopResultBuilder]: For program point L53-1(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,432 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,432 INFO L899 garLoopResultBuilder]: For program point L53-2(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,432 INFO L899 garLoopResultBuilder]: For program point L53-3(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,433 INFO L899 garLoopResultBuilder]: For program point L53-4(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,433 INFO L899 garLoopResultBuilder]: For program point L53-5(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,433 INFO L899 garLoopResultBuilder]: For program point L53-6(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,433 INFO L899 garLoopResultBuilder]: For program point L53-7(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,433 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-18 19:57:05,433 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-18 19:57:05,433 INFO L899 garLoopResultBuilder]: For program point L70-2(lines 70 73) no Hoare annotation was computed. [2022-11-18 19:57:05,433 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,433 INFO L899 garLoopResultBuilder]: For program point L70-3(line 70) no Hoare annotation was computed. [2022-11-18 19:57:05,433 INFO L899 garLoopResultBuilder]: For program point L70-4(line 70) no Hoare annotation was computed. [2022-11-18 19:57:05,434 INFO L895 garLoopResultBuilder]: At program point L70-5(lines 70 73) the Hoare annotation is: (let ((.cse5 (div ~CELLCOUNT~0 3))) (let ((.cse1 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse0 (= ~CELLCOUNT~0 (* .cse5 3))) (.cse6 (<= 2 ~CELLCOUNT~0)) (.cse2 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse3 (<= ~CELLCOUNT~0 2147483647)) (.cse4 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 .cse5)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 3) .cse6 .cse2 .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) .cse6 .cse2 .cse3 .cse4)))) [2022-11-18 19:57:05,434 INFO L899 garLoopResultBuilder]: For program point L70-6(lines 70 73) no Hoare annotation was computed. [2022-11-18 19:57:05,434 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,434 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-18 19:57:05,434 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-18 19:57:05,434 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,434 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,434 INFO L899 garLoopResultBuilder]: For program point L5(lines 5 7) no Hoare annotation was computed. [2022-11-18 19:57:05,434 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,434 INFO L899 garLoopResultBuilder]: For program point L38-2(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,434 INFO L899 garLoopResultBuilder]: For program point L38-3(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,435 INFO L899 garLoopResultBuilder]: For program point L38-4(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,435 INFO L899 garLoopResultBuilder]: For program point L38-5(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,435 INFO L899 garLoopResultBuilder]: For program point L38-6(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-18 19:57:05,435 INFO L899 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2022-11-18 19:57:05,435 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,435 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-11-18 19:57:05,435 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,436 INFO L899 garLoopResultBuilder]: For program point L72-2(line 72) no Hoare annotation was computed. [2022-11-18 19:57:05,436 INFO L899 garLoopResultBuilder]: For program point L39-2(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,436 INFO L899 garLoopResultBuilder]: For program point L39-3(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,436 INFO L899 garLoopResultBuilder]: For program point L39-4(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,436 INFO L899 garLoopResultBuilder]: For program point L39-5(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,436 INFO L899 garLoopResultBuilder]: For program point L39-6(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,436 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,436 INFO L899 garLoopResultBuilder]: For program point L39-7(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,436 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,436 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,436 INFO L899 garLoopResultBuilder]: For program point L56-1(line 56) no Hoare annotation was computed. [2022-11-18 19:57:05,436 INFO L899 garLoopResultBuilder]: For program point L56-2(lines 56 68) no Hoare annotation was computed. [2022-11-18 19:57:05,436 INFO L899 garLoopResultBuilder]: For program point L56-4(lines 56 68) no Hoare annotation was computed. [2022-11-18 19:57:05,439 INFO L899 garLoopResultBuilder]: For program point L56-5(line 56) no Hoare annotation was computed. [2022-11-18 19:57:05,440 INFO L899 garLoopResultBuilder]: For program point L56-6(line 56) no Hoare annotation was computed. [2022-11-18 19:57:05,440 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-11-18 19:57:05,440 INFO L895 garLoopResultBuilder]: At program point L56-7(lines 56 68) the Hoare annotation is: (let ((.cse6 (div ~CELLCOUNT~0 3))) (let ((.cse5 (* .cse6 3))) (let ((.cse1 (<= 2 ~CELLCOUNT~0)) (.cse0 (= ~CELLCOUNT~0 .cse5)) (.cse2 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse3 (<= ~CELLCOUNT~0 2147483647)) (.cse4 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= .cse5 (+ 2 |ULTIMATE.start_main_~i~0#1|))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 1) .cse2 .cse3 .cse4 (<= 2 .cse6)))))) [2022-11-18 19:57:05,440 INFO L899 garLoopResultBuilder]: For program point L56-8(lines 56 68) no Hoare annotation was computed. [2022-11-18 19:57:05,441 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-18 19:57:05,442 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,442 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-18 19:57:05,442 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-11-18 19:57:05,442 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,442 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,442 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2022-11-18 19:57:05,443 INFO L899 garLoopResultBuilder]: For program point L8-1(line 8) no Hoare annotation was computed. [2022-11-18 19:57:05,443 INFO L899 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2022-11-18 19:57:05,443 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:57:05,443 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,443 INFO L899 garLoopResultBuilder]: For program point L58(lines 58 65) no Hoare annotation was computed. [2022-11-18 19:57:05,443 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-18 19:57:05,443 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-18 19:57:05,444 INFO L899 garLoopResultBuilder]: For program point L58-2(lines 58 65) no Hoare annotation was computed. [2022-11-18 19:57:05,444 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,444 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,444 INFO L902 garLoopResultBuilder]: At program point L75(lines 13 76) the Hoare annotation is: true [2022-11-18 19:57:05,445 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,445 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2022-11-18 19:57:05,445 INFO L899 garLoopResultBuilder]: For program point L42-2(lines 42 54) no Hoare annotation was computed. [2022-11-18 19:57:05,446 INFO L899 garLoopResultBuilder]: For program point L42-4(lines 42 54) no Hoare annotation was computed. [2022-11-18 19:57:05,446 INFO L899 garLoopResultBuilder]: For program point L42-5(line 42) no Hoare annotation was computed. [2022-11-18 19:57:05,446 INFO L899 garLoopResultBuilder]: For program point L42-6(line 42) no Hoare annotation was computed. [2022-11-18 19:57:05,446 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-18 19:57:05,446 INFO L895 garLoopResultBuilder]: At program point L42-7(lines 42 54) the Hoare annotation is: (let ((.cse6 (div ~CELLCOUNT~0 3))) (let ((.cse5 (* .cse6 3))) (let ((.cse1 (<= 2 ~CELLCOUNT~0)) (.cse0 (= ~CELLCOUNT~0 .cse5)) (.cse2 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse3 (<= ~CELLCOUNT~0 2147483647)) (.cse4 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= .cse5 (+ 2 |ULTIMATE.start_main_~i~0#1|))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 1) .cse2 .cse3 .cse4 (<= 2 .cse6)))))) [2022-11-18 19:57:05,446 INFO L899 garLoopResultBuilder]: For program point L42-8(lines 42 54) no Hoare annotation was computed. [2022-11-18 19:57:05,447 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,447 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-18 19:57:05,447 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-11-18 19:57:05,447 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-18 19:57:05,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-18 19:57:05,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,448 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2022-11-18 19:57:05,448 INFO L899 garLoopResultBuilder]: For program point L60-1(line 60) no Hoare annotation was computed. [2022-11-18 19:57:05,448 INFO L899 garLoopResultBuilder]: For program point L60-2(line 60) no Hoare annotation was computed. [2022-11-18 19:57:05,448 INFO L899 garLoopResultBuilder]: For program point L60-3(line 60) no Hoare annotation was computed. [2022-11-18 19:57:05,448 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,449 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-18 19:57:05,449 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 51) no Hoare annotation was computed. [2022-11-18 19:57:05,449 INFO L899 garLoopResultBuilder]: For program point L44-2(lines 44 51) no Hoare annotation was computed. [2022-11-18 19:57:05,449 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-18 19:57:05,449 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,449 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-18 19:57:05,449 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,450 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:57:05,450 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,450 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-11-18 19:57:05,450 INFO L899 garLoopResultBuilder]: For program point L28-2(lines 28 40) no Hoare annotation was computed. [2022-11-18 19:57:05,450 INFO L899 garLoopResultBuilder]: For program point L28-4(lines 28 40) no Hoare annotation was computed. [2022-11-18 19:57:05,450 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2022-11-18 19:57:05,450 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,451 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2022-11-18 19:57:05,451 INFO L895 garLoopResultBuilder]: At program point L28-7(lines 28 40) the Hoare annotation is: (let ((.cse6 (div ~CELLCOUNT~0 3))) (let ((.cse5 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse0 (= ~CELLCOUNT~0 (* .cse6 3))) (.cse1 (<= 2 ~CELLCOUNT~0)) (.cse2 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse3 (<= ~CELLCOUNT~0 2147483647)) (.cse4 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3))) (or (and .cse0 .cse1 .cse2 .cse3 (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 6) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 2 .cse6)) (and .cse0 .cse1 (= |ULTIMATE.start_main_~i~0#1| 1) .cse2 .cse3 .cse4)))) [2022-11-18 19:57:05,451 INFO L899 garLoopResultBuilder]: For program point L28-8(lines 28 40) no Hoare annotation was computed. [2022-11-18 19:57:05,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-18 19:57:05,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-18 19:57:05,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,454 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,454 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-11-18 19:57:05,454 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2022-11-18 19:57:05,454 INFO L899 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2022-11-18 19:57:05,455 INFO L899 garLoopResultBuilder]: For program point L46-3(line 46) no Hoare annotation was computed. [2022-11-18 19:57:05,455 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-18 19:57:05,455 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 37) no Hoare annotation was computed. [2022-11-18 19:57:05,455 INFO L899 garLoopResultBuilder]: For program point L30-2(lines 30 37) no Hoare annotation was computed. [2022-11-18 19:57:05,455 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-18 19:57:05,455 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-18 19:57:05,455 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-18 19:57:05,456 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-11-18 19:57:05,456 INFO L899 garLoopResultBuilder]: For program point L64-1(line 64) no Hoare annotation was computed. [2022-11-18 19:57:05,456 INFO L899 garLoopResultBuilder]: For program point L64-2(line 64) no Hoare annotation was computed. [2022-11-18 19:57:05,456 INFO L899 garLoopResultBuilder]: For program point L64-3(line 64) no Hoare annotation was computed. [2022-11-18 19:57:05,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-18 19:57:05,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-18 19:57:05,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-18 19:57:05,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,457 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-18 19:57:05,457 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 19:57:05,458 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2022-11-18 19:57:05,459 INFO L899 garLoopResultBuilder]: For program point L32-2(line 32) no Hoare annotation was computed. [2022-11-18 19:57:05,459 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-18 19:57:05,459 INFO L899 garLoopResultBuilder]: For program point L32-3(line 32) no Hoare annotation was computed. [2022-11-18 19:57:05,460 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,460 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,460 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,460 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 74) no Hoare annotation was computed. [2022-11-18 19:57:05,460 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-18 19:57:05,460 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 74) no Hoare annotation was computed. [2022-11-18 19:57:05,461 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,461 INFO L899 garLoopResultBuilder]: For program point L66(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,461 INFO L899 garLoopResultBuilder]: For program point L66-1(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,461 INFO L899 garLoopResultBuilder]: For program point L66-2(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,461 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-18 19:57:05,461 INFO L899 garLoopResultBuilder]: For program point L66-3(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,461 INFO L899 garLoopResultBuilder]: For program point L66-4(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,462 INFO L899 garLoopResultBuilder]: For program point L66-5(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-18 19:57:05,462 INFO L899 garLoopResultBuilder]: For program point L66-6(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-18 19:57:05,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2022-11-18 19:57:05,462 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-18 19:57:05,463 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2022-11-18 19:57:05,463 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2022-11-18 19:57:05,463 INFO L899 garLoopResultBuilder]: For program point L50-3(line 50) no Hoare annotation was computed. [2022-11-18 19:57:05,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2022-11-18 19:57:05,463 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,463 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,463 INFO L899 garLoopResultBuilder]: For program point L67-2(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,464 INFO L899 garLoopResultBuilder]: For program point L67-3(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,464 INFO L899 garLoopResultBuilder]: For program point L67-4(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,464 INFO L899 garLoopResultBuilder]: For program point L67-5(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,464 INFO L899 garLoopResultBuilder]: For program point L67-6(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,465 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-18 19:57:05,465 INFO L899 garLoopResultBuilder]: For program point L67-7(line 67) no Hoare annotation was computed. [2022-11-18 19:57:05,466 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-18 19:57:05,466 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-11-18 19:57:05,466 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-11-18 19:57:05,466 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-18 19:57:05,469 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:05,472 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:57:05,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:57:05 BoogieIcfgContainer [2022-11-18 19:57:05,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:57:05,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:57:05,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:57:05,516 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:57:05,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:56:44" (3/4) ... [2022-11-18 19:57:05,520 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:57:05,549 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-18 19:57:05,553 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-18 19:57:05,553 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 19:57:05,554 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:57:05,554 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:57:05,629 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:57:05,629 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:57:05,630 INFO L158 Benchmark]: Toolchain (without parser) took 22405.96ms. Allocated memory was 134.2MB in the beginning and 283.1MB in the end (delta: 148.9MB). Free memory was 104.5MB in the beginning and 150.1MB in the end (delta: -45.6MB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB. [2022-11-18 19:57:05,631 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:57:05,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.56ms. Allocated memory is still 134.2MB. Free memory was 104.5MB in the beginning and 110.0MB in the end (delta: -5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:57:05,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.31ms. Allocated memory is still 134.2MB. Free memory was 110.0MB in the beginning and 107.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:57:05,635 INFO L158 Benchmark]: Boogie Preprocessor took 64.64ms. Allocated memory is still 134.2MB. Free memory was 107.5MB in the beginning and 105.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:57:05,636 INFO L158 Benchmark]: RCFGBuilder took 790.43ms. Allocated memory is still 134.2MB. Free memory was 105.8MB in the beginning and 81.5MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-18 19:57:05,636 INFO L158 Benchmark]: TraceAbstraction took 20889.13ms. Allocated memory was 134.2MB in the beginning and 283.1MB in the end (delta: 148.9MB). Free memory was 80.6MB in the beginning and 155.4MB in the end (delta: -74.7MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. [2022-11-18 19:57:05,636 INFO L158 Benchmark]: Witness Printer took 113.26ms. Allocated memory is still 283.1MB. Free memory was 155.4MB in the beginning and 150.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:57:05,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.56ms. Allocated memory is still 134.2MB. Free memory was 104.5MB in the beginning and 110.0MB in the end (delta: -5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.31ms. Allocated memory is still 134.2MB. Free memory was 110.0MB in the beginning and 107.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.64ms. Allocated memory is still 134.2MB. Free memory was 107.5MB in the beginning and 105.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 790.43ms. Allocated memory is still 134.2MB. Free memory was 105.8MB in the beginning and 81.5MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 20889.13ms. Allocated memory was 134.2MB in the beginning and 283.1MB in the end (delta: 148.9MB). Free memory was 80.6MB in the beginning and 155.4MB in the end (delta: -74.7MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. * Witness Printer took 113.26ms. Allocated memory is still 283.1MB. Free memory was 155.4MB in the beginning and 150.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: 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, 202 locations, 86 error locations. Started 1 CEGAR loops. OverallTime: 20.8s, OverallIterations: 22, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5998 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5998 mSDsluCounter, 3861 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2133 mSDsCounter, 562 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8367 IncrementalHoareTripleChecker+Invalid, 8929 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 562 mSolverCounterUnsat, 1728 mSDtfsCounter, 8367 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1663 GetRequests, 1461 SyntacticMatches, 3 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1451 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=326occurred in iteration=12, InterpolantAutomatonStates: 168, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 22 MinimizatonAttempts, 422 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 33 NumberOfFragments, 312 HoareAnnotationTreeSize, 5 FomulaSimplifications, 189 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 5 FomulaSimplificationsInter, 867 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 2476 NumberOfCodeBlocks, 2207 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 3021 ConstructedInterpolants, 0 QuantifiedInterpolants, 9480 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1652 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 38 InterpolantComputations, 16 PerfectInterpolantSequences, 1888/2311 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 86 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((((CELLCOUNT == CELLCOUNT / 3 * 3 && 1 <= i) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL2 == 3) && 2 <= CELLCOUNT / 3) || ((((((CELLCOUNT == CELLCOUNT / 3 * 3 && 1 <= i) && i <= 3) && 2 <= CELLCOUNT) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL2 == 3)) || (((((CELLCOUNT == CELLCOUNT / 3 * 3 && i == 0) && 2 <= CELLCOUNT) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL2 == 3) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((((((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL2 == 3) && CELLCOUNT / 3 * 3 <= 2 + i) || (((((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL2 == 3) && 2 <= i)) || (((((CELLCOUNT == CELLCOUNT / 3 * 3 && i == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL2 == 3) && 2 <= CELLCOUNT / 3) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && 3 * i <= 6) && CCCELVOL2 == 3) && 2 <= i) || ((((((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL2 == 3) && 2 <= i) && 2 <= CELLCOUNT / 3)) || (((((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && i == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL2 == 3) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: ((((((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL2 == 3) && CELLCOUNT / 3 * 3 <= 2 + i) || (((((CELLCOUNT == CELLCOUNT / 3 * 3 && 2 <= CELLCOUNT) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL2 == 3) && 2 <= i)) || (((((CELLCOUNT == CELLCOUNT / 3 * 3 && i == 1) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL2 == 3) && 2 <= CELLCOUNT / 3) RESULT: Ultimate proved your program to be correct! [2022-11-18 19:57:05,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f861aa99-54ed-4c33-888a-32aefc60605a/bin/uautomizer-TMbwUNV5ro/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