./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-007.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-007.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79ad480fc17f59cc4e46ec2dbc023b5da3460c72b3c8ca1cc6dbc35a93f8cf64 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:46:37,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:46:38,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:46:38,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:46:38,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:46:38,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:46:38,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:46:38,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:46:38,105 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:46:38,111 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:46:38,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:46:38,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:46:38,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:46:38,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:46:38,118 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:46:38,119 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:46:38,119 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:46:38,120 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:46:38,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:46:38,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:46:38,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:46:38,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:46:38,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:46:38,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:46:38,125 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:46:38,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:46:38,126 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:46:38,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:46:38,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:46:38,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:46:38,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:46:38,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:38,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:46:38,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:46:38,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:46:38,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:46:38,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:46:38,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:46:38,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:46:38,135 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:46:38,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:46:38,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:46:38,137 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79ad480fc17f59cc4e46ec2dbc023b5da3460c72b3c8ca1cc6dbc35a93f8cf64 [2023-11-26 10:46:38,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:46:38,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:46:38,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:46:38,556 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:46:38,557 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:46:38,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/xcsp/AllInterval-007.c [2023-11-26 10:46:42,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:46:42,255 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:46:42,256 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/sv-benchmarks/c/xcsp/AllInterval-007.c [2023-11-26 10:46:42,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/data/721a5ae65/dd6aa4ee3a4741d38a17c6b9efb469dd/FLAGac2205745 [2023-11-26 10:46:42,628 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/data/721a5ae65/dd6aa4ee3a4741d38a17c6b9efb469dd [2023-11-26 10:46:42,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:46:42,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:46:42,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:42,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:46:42,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:46:42,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:42" (1/1) ... [2023-11-26 10:46:42,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98493df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:42, skipping insertion in model container [2023-11-26 10:46:42,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:42" (1/1) ... [2023-11-26 10:46:42,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:46:42,967 WARN L240 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_42c1776b-b559-4c9a-bf66-add81a1eeaf5/sv-benchmarks/c/xcsp/AllInterval-007.c[3690,3703] [2023-11-26 10:46:42,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:42,999 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:46:43,052 WARN L240 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_42c1776b-b559-4c9a-bf66-add81a1eeaf5/sv-benchmarks/c/xcsp/AllInterval-007.c[3690,3703] [2023-11-26 10:46:43,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:43,071 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:46:43,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:43 WrapperNode [2023-11-26 10:46:43,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:43,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:43,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:46:43,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:46:43,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:43" (1/1) ... [2023-11-26 10:46:43,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:43" (1/1) ... [2023-11-26 10:46:43,124 INFO L138 Inliner]: procedures = 13, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 162 [2023-11-26 10:46:43,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:43,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:46:43,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:46:43,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:46:43,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:43" (1/1) ... [2023-11-26 10:46:43,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:43" (1/1) ... [2023-11-26 10:46:43,140 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:43" (1/1) ... [2023-11-26 10:46:43,163 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:46:43,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:43" (1/1) ... [2023-11-26 10:46:43,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:43" (1/1) ... [2023-11-26 10:46:43,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:43" (1/1) ... [2023-11-26 10:46:43,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:43" (1/1) ... [2023-11-26 10:46:43,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:43" (1/1) ... [2023-11-26 10:46:43,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:43" (1/1) ... [2023-11-26 10:46:43,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:46:43,184 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:46:43,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:46:43,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:46:43,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:43" (1/1) ... [2023-11-26 10:46:43,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:43,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:43,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:43,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:46:43,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:46:43,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:46:43,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:46:43,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:46:43,302 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-11-26 10:46:43,302 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-11-26 10:46:43,400 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:46:43,403 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:46:43,744 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:46:43,777 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:46:43,777 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:46:43,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:43 BoogieIcfgContainer [2023-11-26 10:46:43,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:46:43,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:46:43,781 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:46:43,785 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:46:43,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:46:42" (1/3) ... [2023-11-26 10:46:43,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68402df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:43, skipping insertion in model container [2023-11-26 10:46:43,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:43" (2/3) ... [2023-11-26 10:46:43,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68402df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:43, skipping insertion in model container [2023-11-26 10:46:43,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:43" (3/3) ... [2023-11-26 10:46:43,789 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-007.c [2023-11-26 10:46:43,812 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:46:43,813 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:46:43,875 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:46:43,883 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=LoopHeads, 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;@4e1d3bfb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:46:43,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:46:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-26 10:46:43,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2023-11-26 10:46:43,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:43,923 INFO L195 NwaCegarLoop]: trace histogram [68, 68, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:43,924 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:43,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:43,931 INFO L85 PathProgramCache]: Analyzing trace with hash 63591308, now seen corresponding path program 1 times [2023-11-26 10:46:43,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:43,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825205577] [2023-11-26 10:46:43,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:43,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-26 10:46:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:46:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 10:46:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 10:46:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 10:46:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 10:46:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 10:46:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-26 10:46:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-26 10:46:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-26 10:46:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-26 10:46:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-26 10:46:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-26 10:46:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-26 10:46:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-26 10:46:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-26 10:46:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-26 10:46:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-26 10:46:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-26 10:46:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-26 10:46:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-26 10:46:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-26 10:46:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-26 10:46:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-26 10:46:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-26 10:46:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-26 10:46:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-26 10:46:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-26 10:46:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-26 10:46:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-26 10:46:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-26 10:46:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-26 10:46:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-26 10:46:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-26 10:46:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-26 10:46:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-26 10:46:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-26 10:46:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-26 10:46:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-26 10:46:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-26 10:46:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-26 10:46:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-26 10:46:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-26 10:46:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-26 10:46:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-11-26 10:46:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-26 10:46:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-26 10:46:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-26 10:46:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-11-26 10:46:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-11-26 10:46:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-26 10:46:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-26 10:46:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-26 10:46:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-11-26 10:46:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-26 10:46:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-26 10:46:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-26 10:46:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-11-26 10:46:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-11-26 10:46:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-11-26 10:46:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-11-26 10:46:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2023-11-26 10:46:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:44,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-11-26 10:46:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:45,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-11-26 10:46:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:45,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2023-11-26 10:46:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:45,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2023-11-26 10:46:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:45,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-26 10:46:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:45,050 INFO L134 CoverageAnalysis]: Checked inductivity of 9112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9112 trivial. 0 not checked. [2023-11-26 10:46:45,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:45,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825205577] [2023-11-26 10:46:45,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825205577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:45,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:45,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:46:45,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370037765] [2023-11-26 10:46:45,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:45,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:46:45,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:45,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:46:45,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:46:45,131 INFO L87 Difference]: Start difference. First operand has 95 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 2 states have call successors, (68) [2023-11-26 10:46:45,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:45,225 INFO L93 Difference]: Finished difference Result 187 states and 389 transitions. [2023-11-26 10:46:45,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:46:45,228 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 2 states have call successors, (68) Word has length 361 [2023-11-26 10:46:45,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:45,246 INFO L225 Difference]: With dead ends: 187 [2023-11-26 10:46:45,247 INFO L226 Difference]: Without dead ends: 94 [2023-11-26 10:46:45,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:46:45,269 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:45,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:46:45,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-26 10:46:45,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-11-26 10:46:45,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 24 states have (on average 1.0) internal successors, (24), 24 states have internal predecessors, (24), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-26 10:46:45,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 160 transitions. [2023-11-26 10:46:45,381 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 160 transitions. Word has length 361 [2023-11-26 10:46:45,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:45,384 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 160 transitions. [2023-11-26 10:46:45,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 1 states have call predecessors, (68), 2 states have call successors, (68) [2023-11-26 10:46:45,385 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2023-11-26 10:46:45,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2023-11-26 10:46:45,407 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:45,408 INFO L195 NwaCegarLoop]: trace histogram [68, 68, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:45,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:46:45,409 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:45,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:45,410 INFO L85 PathProgramCache]: Analyzing trace with hash 680341824, now seen corresponding path program 1 times [2023-11-26 10:46:45,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:45,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689826591] [2023-11-26 10:46:45,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:45,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:46,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:47,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:47,460 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:46:47,462 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:46:47,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:46:47,468 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 10:46:47,474 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:46:47,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:46:47 BoogieIcfgContainer [2023-11-26 10:46:47,646 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:46:47,647 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:46:47,647 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:46:47,647 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:46:47,648 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:43" (3/4) ... [2023-11-26 10:46:47,649 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-26 10:46:47,809 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:46:47,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:46:47,812 INFO L158 Benchmark]: Toolchain (without parser) took 5173.47ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 101.8MB in the beginning and 105.1MB in the end (delta: -3.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-26 10:46:47,813 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:46:47,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.19ms. Allocated memory is still 146.8MB. Free memory was 101.4MB in the beginning and 89.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:46:47,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.03ms. Allocated memory is still 146.8MB. Free memory was 89.5MB in the beginning and 87.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:46:47,814 INFO L158 Benchmark]: Boogie Preprocessor took 58.48ms. Allocated memory is still 146.8MB. Free memory was 87.4MB in the beginning and 85.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:46:47,815 INFO L158 Benchmark]: RCFGBuilder took 593.93ms. Allocated memory is still 146.8MB. Free memory was 85.3MB in the beginning and 108.3MB in the end (delta: -23.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-11-26 10:46:47,815 INFO L158 Benchmark]: TraceAbstraction took 3865.29ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 107.0MB in the beginning and 115.6MB in the end (delta: -8.6MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2023-11-26 10:46:47,816 INFO L158 Benchmark]: Witness Printer took 162.60ms. Allocated memory is still 176.2MB. Free memory was 115.6MB in the beginning and 105.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:46:47,819 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.19ms. Allocated memory is still 146.8MB. Free memory was 101.4MB in the beginning and 89.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.03ms. Allocated memory is still 146.8MB. Free memory was 89.5MB in the beginning and 87.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.48ms. Allocated memory is still 146.8MB. Free memory was 87.4MB in the beginning and 85.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 593.93ms. Allocated memory is still 146.8MB. Free memory was 85.3MB in the beginning and 108.3MB in the end (delta: -23.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3865.29ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 107.0MB in the beginning and 115.6MB in the end (delta: -8.6MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. * Witness Printer took 162.60ms. Allocated memory is still 176.2MB. Free memory was 115.6MB in the beginning and 105.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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 - CounterExampleResult [Line: 135]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L29] CALL assume(var0 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L29] RET assume(var0 >= 0) VAL [dummy=0, var0=3] [L30] CALL assume(var0 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L30] RET assume(var0 <= 6) VAL [dummy=0, var0=3] [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L33] CALL assume(var1 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L33] RET assume(var1 >= 0) VAL [dummy=0, var0=3, var1=1] [L34] CALL assume(var1 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L34] RET assume(var1 <= 6) VAL [dummy=0, var0=3, var1=1] [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L37] CALL assume(var2 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L37] RET assume(var2 >= 0) VAL [dummy=0, var0=3, var1=1, var2=6] [L38] CALL assume(var2 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L38] RET assume(var2 <= 6) VAL [dummy=0, var0=3, var1=1, var2=6] [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L41] CALL assume(var3 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L41] RET assume(var3 >= 0) VAL [dummy=0, var0=3, var1=1, var2=6, var3=0] [L42] CALL assume(var3 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L42] RET assume(var3 <= 6) VAL [dummy=0, var0=3, var1=1, var2=6, var3=0] [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L45] CALL assume(var4 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L45] RET assume(var4 >= 0) VAL [dummy=0, var0=3, var1=1, var2=6, var3=0, var4=4] [L46] CALL assume(var4 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L46] RET assume(var4 <= 6) VAL [dummy=0, var0=3, var1=1, var2=6, var3=0, var4=4] [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L49] CALL assume(var5 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L49] RET assume(var5 >= 0) VAL [dummy=0, var0=3, var1=1, var2=6, var3=0, var4=4, var5=5] [L50] CALL assume(var5 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L50] RET assume(var5 <= 6) VAL [dummy=0, var0=3, var1=1, var2=6, var3=0, var4=4, var5=5] [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L53] CALL assume(var6 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L53] RET assume(var6 >= 0) VAL [dummy=0, var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2] [L54] CALL assume(var6 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L54] RET assume(var6 <= 6) VAL [dummy=0, var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2] [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L57] CALL assume(var7 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L57] RET assume(var7 >= 1) VAL [dummy=0, var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2] [L58] CALL assume(var7 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L58] RET assume(var7 <= 6) VAL [dummy=0, var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2] [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L61] CALL assume(var8 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L61] RET assume(var8 >= 1) VAL [dummy=0, var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5] [L62] CALL assume(var8 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L62] RET assume(var8 <= 6) VAL [dummy=0, var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5] [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L65] CALL assume(var9 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L65] RET assume(var9 >= 1) VAL [dummy=0, var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L66] CALL assume(var9 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L66] RET assume(var9 <= 6) VAL [dummy=0, var0=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L69] CALL assume(var10 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L69] RET assume(var10 >= 1) VAL [dummy=0, var0=3, var10=4, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L70] CALL assume(var10 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L70] RET assume(var10 <= 6) VAL [dummy=0, var0=3, var10=4, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L71] int var11; [L72] var11 = __VERIFIER_nondet_int() [L73] CALL assume(var11 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L73] RET assume(var11 >= 1) VAL [dummy=0, var0=3, var10=4, var11=1, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L74] CALL assume(var11 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L74] RET assume(var11 <= 6) VAL [dummy=0, var0=3, var10=4, var11=1, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L75] int var12; [L76] var12 = __VERIFIER_nondet_int() [L77] CALL assume(var12 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L77] RET assume(var12 >= 1) VAL [dummy=0, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L78] CALL assume(var12 <= 6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L78] RET assume(var12 <= 6) VAL [dummy=0, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L79] int myvar0 = 1; VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L80] CALL assume(var0 != var1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L80] RET assume(var0 != var1) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L81] CALL assume(var0 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L81] RET assume(var0 != var2) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L82] CALL assume(var0 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L82] RET assume(var0 != var3) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L83] CALL assume(var0 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L83] RET assume(var0 != var4) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L84] CALL assume(var0 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L84] RET assume(var0 != var5) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L85] CALL assume(var0 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L85] RET assume(var0 != var6) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L86] CALL assume(var1 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L86] RET assume(var1 != var2) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L87] CALL assume(var1 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L87] RET assume(var1 != var3) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L88] CALL assume(var1 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L88] RET assume(var1 != var4) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L89] CALL assume(var1 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L89] RET assume(var1 != var5) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L90] CALL assume(var1 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L90] RET assume(var1 != var6) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L91] CALL assume(var2 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L91] RET assume(var2 != var3) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L92] CALL assume(var2 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L92] RET assume(var2 != var4) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L93] CALL assume(var2 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L93] RET assume(var2 != var5) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L94] CALL assume(var2 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L94] RET assume(var2 != var6) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L95] CALL assume(var3 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L95] RET assume(var3 != var4) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L96] CALL assume(var3 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L96] RET assume(var3 != var5) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L97] CALL assume(var3 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L97] RET assume(var3 != var6) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L98] CALL assume(var4 != var5) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L98] RET assume(var4 != var5) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L99] CALL assume(var4 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L99] RET assume(var4 != var6) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L100] CALL assume(var5 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L100] RET assume(var5 != var6) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L101] CALL assume(var7 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L101] RET assume(var7 != var8) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L102] CALL assume(var7 != var9) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L102] RET assume(var7 != var9) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L103] CALL assume(var7 != var10) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L103] RET assume(var7 != var10) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L104] CALL assume(var7 != var11) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L104] RET assume(var7 != var11) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L105] CALL assume(var7 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L105] RET assume(var7 != var12) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L106] CALL assume(var8 != var9) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L106] RET assume(var8 != var9) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L107] CALL assume(var8 != var10) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L107] RET assume(var8 != var10) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L108] CALL assume(var8 != var11) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L108] RET assume(var8 != var11) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L109] CALL assume(var8 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L109] RET assume(var8 != var12) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L110] CALL assume(var9 != var10) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L110] RET assume(var9 != var10) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L111] CALL assume(var9 != var11) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L111] RET assume(var9 != var11) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L112] CALL assume(var9 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L112] RET assume(var9 != var12) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L113] CALL assume(var10 != var11) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L113] RET assume(var10 != var11) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L114] CALL assume(var10 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L114] RET assume(var10 != var12) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L115] CALL assume(var11 != var12) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L115] RET assume(var11 != var12) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6] [L116] int var_for_abs; [L117] var_for_abs = var0 - var1 [L118] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=2] [L119] CALL assume(var7 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L119] RET assume(var7 == var_for_abs) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=2] [L120] var_for_abs = var1 - var2 [L121] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=5] [L122] CALL assume(var8 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L122] RET assume(var8 == var_for_abs) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=5] [L123] var_for_abs = var2 - var3 [L124] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=6] [L125] CALL assume(var9 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L125] RET assume(var9 == var_for_abs) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=6] [L126] var_for_abs = var3 - var4 [L127] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=4] [L128] CALL assume(var10 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L128] RET assume(var10 == var_for_abs) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=4] [L129] var_for_abs = var4 - var5 [L130] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=1] [L131] CALL assume(var11 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L131] RET assume(var11 == var_for_abs) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=1] [L132] var_for_abs = var5 - var6 [L133] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=3] [L134] CALL assume(var12 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L134] RET assume(var12 == var_for_abs) VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=3] [L135] reach_error() VAL [dummy=0, myvar0=1, var0=3, var10=4, var11=1, var12=3, var1=1, var2=6, var3=0, var4=4, var5=5, var6=2, var7=2, var8=5, var9=6, var_for_abs=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 2, TraceHistogramMax: 68, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 159 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 159 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 722 NumberOfCodeBlocks, 722 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 360 ConstructedInterpolants, 0 QuantifiedInterpolants, 360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 9112/9112 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-26 10:46:47,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42c1776b-b559-4c9a-bf66-add81a1eeaf5/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE